2-Bromo-5-Hydroxybenzoic Acid (CAS 58380-11-3): A High-Purity Brominated Aromatic Intermediate for Research and Industrial R&D January 22, 2026 Introduction: From Simple Aromatic Structure to Versatile Chemical Building Block In modern chemical research and industrial development, well-defined aromatic intermediates play a critical role in enabling precise synthesis and controlled molecular design.2-Bromo-5-Hydroxybenzoic Acid, a brominated benzoic acid derivative, has gained increasing attention as a versatile building block in organic synthesis, pharmaceutical research, and specialty chemical development. Unlike complex mixtures or undefined reaction intermediates, 2-Bromo-5-Hydroxybenzoic Acid (CAS 58380-11-3) is a single, structurally well-characterized compound designed to meet the growing demand for high-purity, reproducible, and traceable raw materials in research and industrial R&D environments. At Nanjing Spring & Autumn Biological Engineering Co., Ltd., we supply 2-Bromo-5-Hydroxybenzoic Acid primarily for laboratory research, process development, and intermediate synthesis, supporting global B2B customers with consistent quality and complete analytical documentation. What Is 2-Bromo-5-Hydroxybenzoic Acid? 2-Bromo-5-Hydroxybenzoic Acid is a brominated aromatic acid featuring both a bromine substituent and a hydroxyl group on the benzene ring.This dual functionalization provides multiple reactive sites, making the compound particularly useful in substitution, coupling, and derivatization reactions. Key characteristics of 2-Bromo-5-Hydroxybenzoic Acid include: Clearly defined chemical structure High purity and batch consistency Good stability under recommended storage conditions Suitability for controlled synthetic and mechanistic studies These attributes make it a reliable intermediate for applications where structural clarity and reproducibility are essential. Why Choose a Defined Aromatic Intermediate Instead of Mixed Reaction Systems? In chemical synthesis and early-stage development, the use of well-defined intermediates can significantly improve process control and experimental reliability. Compared with in-situ generated or mixed intermediates, 2-Bromo-5-Hydroxybenzoic Acid offers several advantages: 1. Improved Reproducibility Using a purified compound helps reduce variability across experiments, supporting more consistent results in both research and scale-up studies. 2. Clear Structural and Dosage Control As a single compound, it allows precise control over reaction inputs, which is critical for pathway optimization and structure–activity exploration. 3. Broad Compatibility in Organic Synthesis The presence of both bromine and hydroxyl groups enables flexible downstream modification, supporting diverse synthetic strategies. Applications in Research and Industrial R&D 2-Bromo-5-Hydroxybenzoic Acid is supplied primarily for non-finished-product applications, including: Organic synthesis and reaction development Pharmaceutical and fine chemical intermediate research Specialty chemical and material science R&D Reference compound use in analytical and method development Process optimization and scale-up studies Note: This product is supplied for research and industrial R&D use only and is not marketed as a finished consumer product. Quality Control and Documentation At Nanjing Spring & Autumn Biological Engineering Co., Ltd., 2-Bromo-5-Hydroxybenzoic Acid is produced and supplied under standardized quality control procedures to ensure consistency and reliability. Available documentation includes: Certificate of Analysis (COA) Purity and identification data Chromatographic analysis (HPLC, where applicable) Batch traceability information This documentation package supports global B2B sourcing, technical evaluation, and regulatory review where required. Supply Capabilities Product Name: 2-Bromo-5-Hydroxybenzoic Acid CAS Number: 58380-11-3 Chemical Type: Brominated aromatic acid Application: Research & industrial R&D Supply Mode: B2B only Custom specifications, packaging options, and technical support are available upon request based on project needs. Conclusion As chemical research and industrial development continue to emphasize precision, reproducibility, and traceability, well-defined intermediates such as 2-Bromo-5-Hydroxybenzoic Acid are becoming increasingly important. By offering a high-purity, structurally clear, and consistently supplied aromatic intermediate, 2-Bromo-5-Hydroxybenzoic Acid provides researchers and developers with a reliable foundation for efficient synthesis and innovation—supporting both exploratory research and applied R&D projects.   For technical details, samples, or project-based inquiries, please contactNanjing Spring & Autumn Biological Engineering Co., Ltd.

Introduction: From Traditional Herb to Defined Active Compound Schisandra chinensis has long been recognized as an important botanical source in traditional herbal systems and modern natural product research. Among its diverse lignan constituents, Schisandrol A has been extensively studied as one of the representative active compounds. Unlike conventional Schisandra extracts that contain multiple components with variable composition, Schisandrol A (CAS 7432-28-2) is a single, well-defined lignan compound, developed to meet the increasing demand for high-purity, reproducible, and traceable botanical ingredients in scientific research and industrial R&D. At Nanjing Spring & Autumn Biological Engineering Co., Ltd., we supply Schisandrol A primarily for research, formulation development, and ingredient innovation, supporting global B2B customers with consistent quality and complete analytical documentation. What Is Schisandrol A? Schisandrol A is a naturally occurring lignan isolated from the fruit of Schisandra chinensis. Structurally well-characterized, it is often selected as a marker compound in Schisandra-related studies and ingredient standardization projects. Key characteristics of Schisandrol A include: Defined chemical structure High purity and stability Clear botanical origin Suitability for controlled experimental design These attributes make Schisandrol A particularly valuable for applications where chemical consistency and reproducibility are critical. Why Choose Schisandrol A Over Conventional Schisandra Extracts? Traditional Schisandra extracts typically contain a complex mixture of lignans, polysaccharides, and other phytochemicals. While such extracts may be suitable for certain applications, they often introduce batch-to-batch variability, which can complicate research and formulation work. By contrast, Schisandrol A offers a single-compound solution, providing several advantages: 1. Improved Batch Consistency Using a purified compound significantly reduces compositional variability, helping researchers obtain more reliable and comparable data. 2. Clear Dosage and Formulation Control Schisandrol A allows precise control over concentration, which is essential for mechanism studies and formulation optimization. 3. Suitable for Mechanistic and Structure-Activity Studies As a defined lignan, Schisandrol A is widely used in studies focused on understanding molecular behavior rather than whole-extract complexity. Applications in Research and Ingredient Development Schisandrol A is supplied mainly for non-finished-product applications, including: Natural product research Mechanism and pathway studies Reference standards for Schisandra-derived ingredients Formulation and stability research Ingredient development for cosmetics, nutraceuticals, and related fields Note: Schisandrol A is provided for research and industrial R&D use only. It is not marketed as a finished consumer product. Quality Control and Documentation At Nanjing Spring & Autumn Biological Engineering Co., Ltd., Schisandrol A is produced under a standardized purification process with strict quality control measures. Available documentation includes: Certificate of Analysis (COA) Purity and identification data Chromatographic profiles (HPLC) Botanical source traceability This complete documentation package supports global B2B sourcing, regulatory evaluation, and technical assessment. Supply Capabilities Product Name: Schisandrol A CAS Number: 7432-28-2 Source: Schisandra chinensis Application: Research & industrial R&D Supply Type: B2B only Custom specifications and technical support are available upon request, depending on project requirements. Conclusion As research and ingredient development continue to move toward greater precision and standardization, purified natural compounds like Schisandrol A play an increasingly important role. By offering a high-purity, traceable, and reproducible lignan compound, Schisandrol A provides researchers and ingredient developers with a reliable alternative to complex botanical extracts—supporting more consistent outcomes and efficient innovation.   For technical details, samples, or project-based inquiries, please contact Nanjing Spring & Autumn Biological Engineering Co., Ltd.

5,7-Dimethoxyflavone ≥98% (CAS: 21392-57-4): A High-Purity Flavonoid for Research, Analysis & Ingredient Development January 2026 Introduction 5,7-Dimethoxyflavone (CAS: 21392-57-4), also known as Chrysin Dimethyl Ether or Pinostrobin Dimethyl Ether, is a naturally occurring methoxylated flavonoid found in various plant sources. Owing to its well-defined chemical structure and favorable stability, it is widely used in flavonoid research, analytical studies, and ingredient development. At Nanjing Spring & Autumn Biological Engineering Co., Ltd., we supply 5,7-Dimethoxyflavone ≥98% (HPLC) with strict quality control and complete technical documentation. Our product is intended for scientific research, laboratory analysis, and industrial R&D applications, serving customers in the pharmaceutical research, cosmetic raw material, and natural product research fields worldwide. What Is 5,7-Dimethoxyflavone? 5,7-Dimethoxyflavone is a methoxylated flavone characterized by two methoxy groups located at the 5- and 7-positions of the flavonoid backbone. This structural feature contributes to its chemical stability, making it suitable for analytical identification, comparative flavonoid studies, and formulation-related research. Typical research and industrial applications include: Flavonoid profiling and identification Reference material for analytical testing Comparative studies of methoxylated flavones Quality evaluation of plant-derived extracts Ingredient research and formulation development ?? This product is strictly intended for scientific research, laboratory analysis, and ingredient R&D.It is not intended for direct consumption, food use, or medical applications. Chemical Information Item Detail Product Name 5,7-Dimethoxyflavone CAS Number 21392-57-4 Molecular Formula C??H??O? Molecular Weight 282.29 g/mol Appearance Light yellow to yellow powder Purity ≥98% (HPLC) Source Plant-derived flavonoid Product Characteristics High Research-Grade Purity Each batch of 5,7-Dimethoxyflavone is tested by HPLC to ensure ≥98% purity, providing consistency and reliability for analytical and R&D use. Plant-Derived & Well-Characterized Manufactured from botanical sources through controlled purification processes to ensure batch-to-batch reproducibility. Stable & Laboratory-Friendly A fine powder with good stability when stored in a cool, dry environment, protected from light—suitable for routine laboratory handling and formulation studies. Complete Technical Documentation Every shipment is accompanied by a comprehensive documentation package, including: Certificate of Analysis (COA) HPLC Chromatogram MS / NMR Data (available upon request) MSDS Technical Data Sheet (TDS) Applications in Research and Industry 1. Flavonoid & Natural Product Research Used in the structural study and comparison of methoxylated flavonoids from plant sources. 2. Analytical Method Development Suitable as a reference compound for: HPLC LC-MS/MS UV-Vis spectroscopy Chromatographic method validation 3. Botanical Extract Evaluation Applied as a marker compound in the quality assessment and profiling of flavonoid-containing plant extracts. 4. Cosmetic Ingredient R&D Utilized in cosmetic raw material research to assess formulation compatibility, stability, and behavior within plant-based ingredient systems. Technical Specifications Parameter Specification Purity ≥98% (HPLC) Appearance Light yellow to yellow powder Solubility Soluble in DMSO, ethanol Storage Cool, dry place, protected from light Shelf Life 36 months Packaging Options Packaging Size Recommended Use 10 g Analytical or preliminary research 25 g Laboratory research projects 100 g Pilot-scale R&D 500 g – 1 kg Industrial formulation research All products are packed in sealed, moisture-protective containers to ensure stability during transportation and storage. Why Choose Nanjing Spring & Autumn Biological Engineering Co., Ltd.? Strict Quality Control Comprehensive in-house testing ensures consistent quality and analytical reliability. Complete Technical Support COA, HPLC data, MSDS, and technical documents are available to support research and compliance needs. Stable & Reliable Supply Professional manufacturing capacity and inventory management ensure long-term global supply. Flexible Packaging Solutions From gram-level samples to kilogram-scale quantities, customized packaging is available. Worldwide Shipping Experienced export handling and international logistics support global customers efficiently. For quotations, samples, or technical documents for 5,7-Dimethoxyflavone (CAS: 21392-57-4),please contact our sales team. Nanjing Spring & Autumn Biological Engineering Co., Ltd.Website: www.km-origus.com.cn

Oroxylin A 98% (CAS: 480-11-5): A Premium Flavonoid for Research, Analysis & Ingredient Development December 2025 Introduction Oroxylin A (CAS: 480-11-5), also known as 5,7-dihydroxy-6-methoxyflavone, is a naturally occurring flavonoid predominantly found in Scutellaria baicalensis (Huang Qin) and related botanical species. Due to its clearly defined molecular structure and strong relevance in flavonoid profiling, Oroxylin A has become an important reference compound in phytochemical research, analytical testing, and ingredient development. At Nanjing Spring & Autumn Biological Engineering Co., Ltd., we supply Oroxylin A ≥98% (HPLC) with strict quality control and complete technical documentation. This high-purity material is widely used by universities, research laboratories, cosmetic raw material developers, and natural product research institutions worldwide. What Is Oroxylin A? Oroxylin A is a methoxylated flavone characterized by two hydroxyl groups and one methoxy group on the flavonoid backbone. This structural feature contributes to its stability and makes it highly suitable for analytical identification, comparative flavonoid studies, and formulation research. Typical applications include: Natural product identification and profiling Reference standard for flavonoid analysis Quality control of Scutellaria and related botanical extracts Comparative flavonoid composition studies Ingredient research and formulation development ?? This product is intended strictly for scientific research, laboratory analysis, and ingredient R&D. It is not intended for direct consumption or medical use. Chemical Information Item Detail Product Name Oroxylin A CAS Number 480-11-5 Molecular Formula C??H??O? Molecular Weight 284.26 g/mol Appearance Yellow to light-yellow crystalline powder Purity ≥98% (HPLC) Botanical Source Scutellaria baicalensis Product Characteristics High Research-Grade Purity Each batch of Oroxylin A is tested by HPLC to ensure ≥98% purity, providing reliable performance for analytical and research applications. Natural Botanical Origin Extracted and purified from plant sources using controlled processes to ensure batch-to-batch consistency and reproducibility. Stable & Laboratory-Friendly Fine crystalline powder with good stability when stored at 2–8°C, protected from light. Complete Technical Documentation Every shipment is supported with a full documentation package, including: Certificate of Analysis (COA) HPLC Chromatogram MS & NMR Spectra MSDS Technical Data Sheet (TDS) Applications in Research and Industry 1. Phytochemical & Flavonoid Research Oroxylin A is widely used in the structural analysis and comparative study of flavonoids derived from Scutellaria species and other medicinal plants. 2. Analytical Method Development Suitable for method establishment and validation, including: HPLC LC-MS/MS UV-Vis analysis Chromatographic fingerprinting 3. Botanical Extract Standardization Used as a marker compound for quality evaluation and standardization of botanical extracts containing methoxylated flavones. 4. Cosmetic Ingredient R&D Applied in cosmetic raw material research to evaluate formulation behavior, stability, and compatibility in plant-based ingredient systems. Technical Specifications Parameter Specification Purity ≥98% (HPLC) Melting Point 205–210°C (typical) Solubility Soluble in DMSO, ethanol Storage 2–8°C, protected from light Shelf Life 36 months Packaging Options Packaging Size Recommended Use 10 g Analytical or preliminary research 25 g Laboratory research projects 100 g Pilot-scale R&D 500 g – 1 kg Industrial formulation research All products are packed in sealed, moisture-protective containers to ensure stability during transportation and storage. Why Choose Nanjing Spring & Autumn Biological Engineering Co., Ltd.? Strict Quality ControlComprehensive in-house and third-party testing ensures consistent quality and analytical reliability. Complete Technical SupportFull documentation including COA, HPLC, MS, and NMR data is provided with each batch. Stable & Reliable SupplyLong-term production capacity and inventory management ensure continuous global supply. Flexible Packaging SolutionsFrom gram-level samples to kilogram-scale orders, customized packaging is available. Worldwide ShippingProfessional export documentation and temperature-controlled logistics for international customers. Conclusion Oroxylin A (CAS: 480-11-5) is a high-value, research-grade flavonoid extensively used in phytochemical studies, botanical extract analysis, and ingredient development. With ≥98% purity, stable quality, and comprehensive analytical documentation, Nanjing Spring & Autumn Biological Engineering Co., Ltd. remains a trusted global supplier of premium natural compounds.   ?? For quotations, technical documents, or sample requests, please feel free to contact us at any time.

4',7-Dimethoxy-5-Hydroxyflavone 98% (CAS: 5128-44-9): A High-Purity Flavonoid for Research, Analysis & Ingredient Development December 2025 Introduction 4',7-Dimethoxy-5-Hydroxyflavone (CAS: 5128-44-9) is a naturally occurring flavonoid found in several botanical species. With its well-defined molecular structure and high analytical value, this compound has become a preferred standard in phytochemistry, flavonoid research, and ingredient development. At Nanjing Spring & Autumn Biological Engineering Co., Ltd., we supply 4',7-Dimethoxy-5-Hydroxyflavone ≥98% (HPLC), manufactured under strict quality control with full supporting documentation. This research-grade material is ideal for universities, laboratories, cosmetic ingredient developers, and natural product research institutions. What Is 4',7-Dimethoxy-5-Hydroxyflavone? 4',7-Dimethoxy-5-Hydroxyflavone is a polymethoxyflavone featuring two methoxy groups and one hydroxyl group, contributing to its stable chemical properties and suitability for advanced analytical and structural studies. This compound is commonly applied in: Natural product identification and quantification Reference standard preparation for analytical testing Quality control of botanical extracts Flavonoid comparison studies and ingredient characterization R&D formulation and process development Our product is strictly intended for scientific research, laboratory analysis, and formulation development, not for direct consumption or medical applications. Chemical Information Item Detail Product Name 4',7-Dimethoxy-5-Hydroxyflavone CAS Number 5128-44-9 Molecular Formula C??H??O? Molecular Weight 298.29 g/mol Appearance Yellow to light-yellow crystalline powder Purity ≥98% (HPLC) Botanical Origin Plant-derived flavonoid Product Characteristics High Research-Grade Purity Each batch is verified via HPLC to ensure ≥98% purity with clear impurity profiles suitable for analytical use. Natural Botanical Origin This flavonoid is extracted and purified from plant materials through controlled processes to ensure stable quality and reproducibility. Stable & Convenient for Laboratory Use The product features a fine crystalline texture and is stored at 2–8°C, protected from light, ensuring long-term stability. Complete Documentation Provided All shipments include: Certificate of Analysis (COA) HPLC Chromatogram MS and NMR Data MSDS Technical Data Sheet (TDS) Applications in Research and Industry 1. Phytochemical Research As a structurally relevant flavonoid, 4',7-Dimethoxy-5-Hydroxyflavone is widely used in natural product chemistry, flavonoid profiling, and structural elucidation studies. 2. Analytical Method Development Ideal for establishing and validating analytical methods including: HPLC LC-MS/MS UV-Vis quantification Chromatographic fingerprinting 3. Botanical Extract Standardization Used as a marker compound or quality control standard in evaluating plant extracts rich in polymethoxyflavones. 4. Cosmetic Ingredient Screening Serves as a research ingredient for evaluating plant-based raw material characteristics, formulation behavior, and stability. Technical Specifications Parameter Specification Purity ≥98% (HPLC) Melting Point 180–185°C (typical range) Solubility Soluble in DMSO, ethanol Storage 2–8°C, protected from light Shelf Life 36 months Packaging Options Packaging Size Recommended Use 10 g Analytical or small-scale research 25 g Laboratory research projects 100 g Pilot-scale R&D 500 g – 1 kg Industrial formulation research Each batch is packed in moisture-protective, sealed containers to ensure stability during transport and storage. Why Choose Nanjing Spring & Autumn Biological Engineering Co., Ltd.? 1. Strict Quality Assurance All materials undergo comprehensive in-house and third-party testing to guarantee consistent purity and analytical reliability. 2. Full Technical Support and Documentation We provide complete data packages including COA, HPLC, MS, NMR, and safety documentation. 3. Stable Global Supply Our facility maintains long-term stock and efficient production capacity for uninterrupted supply. 4. Custom Packaging & Bulk Support We accommodate small trial quantities as well as large R&D or industrial-level orders. 5. Worldwide Shipping Capability International customers benefit from compliant export documentation and temperature-controlled packaging where required. Conclusion 4',7-Dimethoxy-5-Hydroxyflavone (CAS: 5128-44-9) is a valuable research-grade flavonoid widely used in natural product chemistry, botanical analysis, and ingredient development. With ≥98% purity, reliable quality, and full analytical documentation, Nanjing Spring & Autumn Biological Engineering Co., Ltd. is committed to supporting global research and industrial partners requiring premium-grade natural compounds. For quotations, technical files, or sample requests, please contact us anytime.  

Introduction Ruscogenin (CAS: 472-11-7) is a naturally occurring steroidal sapogenin primarily found in Ruscus aculeatus (commonly known as Butcher’s broom). As a valuable phytochemical compound, it has gained increasing attention in phytochemical research, analytical method development, and cosmetic ingredient exploration. At Nanjing Spring & Autumn Biological Engineering Co., Ltd., we supply Ruscogenin ≥98% (HPLC) with full analytical documentation and stable batch quality. This research-grade material is suitable for laboratories, universities, and industry R&D teams working with plant-derived ingredients. What Is Ruscogenin? Ruscogenin is a plant-derived steroidal sapogenin, belonging to a class of naturally occurring compounds frequently used in structural analysis, natural ingredient research, and reference standard preparation. Extracted from Ruscus aculeatus roots, Ruscogenin features a clean, well-defined molecular structure, making it a popular material for: Natural product identification and quantification Analytical standard preparation Botanical extract quality control R&D formulation studies Ingredient comparison and process validation This compound is supplied strictly for scientific research, laboratory studies, and formulation development. Chemical Information Item Detail Product Name Ruscogenin CAS Number 472-11-7 Molecular Formula C??H??O? Molecular Weight 430.63 g/mol Appearance White to off-white crystalline powder Purity ≥98% (HPLC) Source Ruscus aculeatus root extract Product Characteristics High Research-Grade Purity Our Ruscogenin is validated via HPLC (C18 column, UV detection) to ensure ≥98% purity with clear impurity profiles. Natural Botanical Origin Derived from Ruscus aculeatus, the product undergoes controlled extraction and purification processes for consistent quality. Stable and Easy to Use The material is fine, white crystalline powder stored at 2–8°C for optimal stability and long-term application. Documentation Provided Each batch comes with: COA HPLC chromatogram MS and NMR data MSDS Technical Data Sheet Applications in Research and Industry 1. Phytochemical & Natural Product Research Ruscogenin is frequently used as a reference marker or analytical ingredient for studying plant-derived sapogenins. Its clear structure and stable behavior make it suitable for chromatography and spectroscopy studies. 2. Botanical Ingredient Standardization Manufacturers and laboratories use Ruscogenin to evaluate botanical extract consistency, verify raw material identity, and assist in natural ingredient quality control. 3. Cosmetic and Ingredient Development In the cosmetics field, Ruscogenin is applied in raw material screening, stability testing, and ingredient characterization for plant-based formulations. 4. Analytical Method Development It serves as a useful compound for developing and validating analytical methods such as HPLC, LC-MS, and GC-MS. Note: Ruscogenin provided by our company is for laboratory, scientific, and R&D use only. It is not intended for direct consumption or medical applications. Technical Specifications Parameter Specification Purity ≥98% (HPLC) Melting Point 182–186°C Solubility Soluble in DMSO, ethanol Storage 2–8°C, light-protected Shelf Life 36 months Packaging Options Packaging Recommended Use 10g Laboratory testing 25g Research projects 100g Bulk pilot studies 500g–1kg Industrial formulation R&D Each package is sealed in protective material to minimize moisture exposure and maintain stability during transport. Why Choose Nanjing Spring & Autumn Biological Engineering Co., Ltd.? 1. Reliable Quality Control Every batch undergoes strict in-house and third-party analytical testing to ensure accuracy and consistency. 2. Comprehensive Documentation We support global R&D teams with complete data files, including COA, HPLC, MS, NMR, and MSDS. 3. Stable Supply & Bulk Stock Our facility maintains stable production capacity and long-term inventory for uninterrupted supply. 4. Professional Technical Support Our technical team provides fast response for documentation, specification details, and testing data. 5. Global Shipment Capability We support international customers with temperature-controlled packaging and compliant export documentation. Conclusion Ruscogenin (CAS: 472-11-7) is an important research-grade steroidal sapogenin widely used in botanical standardization, natural product chemistry, and cosmetic ingredient development. With high purity (≥98%) and rigorous quality control, Nanjing Spring & Autumn Biological Engineering Co., Ltd. is well-positioned to support global R&D teams seeking stable, reliable supply of natural active ingredients.   For inquiries, quotations, or sample requests, feel free to contact us anytime.

Icariin Derivative (CAS: 1067198-74-6): High-Purity Plant-Based Ingredient for Advanced Research and Innovative Product Development November 2025 Product Introduction Icariin Derivative (CAS: 1067198-74-6) is a structurally optimized compound derived from Icariin, a well-known flavonoid glycoside found in Epimedium species (commonly known as Horny Goat Weed or Yin Yang Huo). As an improved bioactive molecule, this icariin derivative offers enhanced chemical stability and optimized molecular characteristics, making it highly valuable for scientific research, natural product development, and advanced formulation studies. With high purity and consistent manufacturing standards, Icariin Derivative supplied by Nanjing Spring & Autumn Biological Engineering Co., Ltd. serves as a dependable raw material for laboratories, research centers, and product developers focusing on botanical actives and functional ingredients. Natural Source Icariin derivatives originate from Icariin, a major active constituent extracted from Epimedium plants—traditional medicinal herbs widely distributed across East Asia.Using advanced extraction and semi-synthetic modification techniques, Nanjing Spring & Autumn Biological Engineering Co., Ltd. provides Icariin Derivative (≥98% HPLC) with high batch-to-batch stability and full traceability. Our production process incorporates refined purification steps and strict quality control protocols, ensuring that each batch meets international standards for research-grade botanical ingredients. Applications Pharmaceutical & Scientific Research Icariin Derivative (CAS: 1067198-74-6) is widely applied as a research compound and reference material in: natural product chemistry pharmaceutical development biochemical mechanism studies structure–activity relationship (SAR) investigations Its optimized structure makes it suitable for exploring new functional pathways and evaluating derivative activities of flavonoid-based molecules. Biotechnology & Laboratory Use Because of its well-characterized molecular properties, this ICARIIN derivative is used in: analytical studies compound screening academic and industrial R&D projects bioactive ingredient evaluation It provides researchers with a stable and standardized material for experimental design. Formulation & Product Innovation For developers focusing on plant-based functional ingredients, Icariin Derivative serves as a versatile raw material for exploratory formulation work, supporting the creation of: advanced botanical ingredient systems functional prototypes natural product enhancement strategies Its consistent purity ensures reliable performance across different R&D applications. Product Information Product Name: Icariin Derivative CAS Number: 1067198-74-6 Purity: ≥98% (HPLC) Appearance: Light yellow to off-white powder Source: Derived from Icariin extracted from Epimedium species Packaging: Customized packaging available based on client requirements About Nanjing Spring & Autumn Biological Engineering Co., Ltd. Nanjing Spring & Autumn Biological Engineering Co., Ltd. is a professional manufacturer specializing in natural plant extracts, high-purity botanical compounds, and functional raw materials for global markets.Our products are widely used in: pharmaceutical research nutraceutical development cosmetic formulation biotechnology applications With advanced extraction technology, rigorous quality assurance systems, and reliable supply capabilities, we provide stable and high-quality ingredients to international partners.We are committed to promoting scientific innovation, safety, and sustainability in natural compound research and industrial applications.   ?? Website: www.km-origus.com.cn

High-Purity Triptolide CAS 38748-32-2 | Natural Plant-Derived Ingredient for Research and Pharmaceutical Applications November 11, 2025 Product Introduction Triptolide (CAS: 38748-32-2) is a naturally occurring diterpenoid triepoxide compound isolated from Tripterygium wilfordii Hook F, commonly known as Thunder God Vine or Lei Gong Teng. As a bioactive natural product, Triptolide has attracted extensive attention in the fields of life science and pharmaceutical research due to its unique molecular structure and potent biological activity. With high purity and consistent quality, Triptolide supplied by Nanjing Spring & Autumn Biological Engineering Co., Ltd. serves as a reliable raw material and reference compound for advanced R&D applications. Natural Source Triptolide is derived from the roots of Tripterygium wilfordii, a traditional Chinese medicinal plant native to East Asia. Through advanced extraction, isolation, and purification techniques, Nanjing Spring & Autumn Biological Engineering Co., Ltd. produces high-purity Triptolide (≥98% HPLC), ensuring product stability, traceability, and compliance with international laboratory and research standards. Our production process adheres to strict quality control protocols, providing consistent supply for global research institutes and formulation developers. Applications Pharmaceutical and Research Applications: Triptolide is widely utilized as a reference standard and research compound in pharmaceutical and biochemical studies. It is of particular interest in natural product research, drug discovery, and cellular biology due to its strong bioactivity and natural plant origin. Biotechnology and Laboratory Use: Owing to its precise molecular activity and well-characterized structure, Triptolide is employed in mechanistic studies and structure–activity relationship (SAR) investigations. It is suitable for laboratory-scale experiments, compound screening, and academic research projects involving plant-derived compounds. Formulation and Development Support: For R&D professionals and formulators focusing on botanical bioactives, Triptolide serves as a reliable ingredient for experimental design, contributing to the development of innovative natural product formulations and advanced extraction methodologies. Product Information Product Name: TriptolideCAS Number: 38748-32-2Purity: ≥98% (HPLC)Appearance: White to light yellow crystalline powderSource: Natural extraction from Tripterygium wilfordii Hook FPackaging: Available in customized sizes according to customer requirements About Nanjing Spring & Autumn Biological Engineering Co., Ltd. Nanjing Spring & Autumn Biological Engineering Co., Ltd. is a professional manufacturer and supplier of high-quality natural plant extracts and bioactive raw materials for global markets. Our products are widely used in pharmaceutical, cosmetic, and nutraceutical industries. With advanced extraction technologies, comprehensive quality assurance systems, and sustainable sourcing practices, we deliver stable and high-purity natural ingredients to our international partners. Our commitment lies in supporting innovation, safety, and scientific development in natural compound research and application. ?? Website: www.km-origus.com.cn

High-Purity Bakuchiol CAS 10309-37-2 | Natural Alternative Ingredient for Cosmetic and Skincare Formulations October 30, 2025 Product Introduction Bakuchiol (CAS: 10309-37-2) is a naturally occurring meroterpene phenol extracted from the seeds and leaves of Psoralea corylifolia (commonly known as Babchi). As a plant-derived compound, Bakuchiol has gained global attention as a versatile and stable bioactive ingredient used in modern cosmetic and personal care formulations. With its natural origin and excellent compatibility, Bakuchiol is widely recognized as a valuable raw material for formulations focused on skin well-being and plant-based innovation. Natural Source Bakuchiol is isolated from Psoralea corylifolia, a leguminous plant native to Asia. Through advanced extraction and purification technologies, Nanjing Spring & Autumn Biological Engineering Co., Ltd. provides high-purity Bakuchiol (≥99% HPLC), ensuring consistency, stability, and suitability for industrial-scale production. The ingredient is manufactured under strict quality control to meet international cosmetic-grade standards. Applications Cosmetic Applications:Bakuchiol is increasingly used in skincare formulations such as serums, creams, and emulsions. It is valued for its plant-based origin, mild nature, and excellent formulation stability, making it a preferred alternative ingredient for brands seeking natural and sustainable solutions in anti-aging and skin-conditioning product lines. Personal Care & Formulation Use:Due to its stability and compatibility with various cosmetic bases, Bakuchiol can be easily incorporated into emulsions, oils, and gels. It supports the development of clean-label, vegan, and plant-based cosmetic products. Research & Development Use:Bakuchiol serves as a reference material in cosmetic and natural compound studies. It is often utilized in research exploring botanical ingredients and natural formulation technologies. Product Information Product Name: BakuchiolCAS Number: 10309-37-2Purity: ≥99% (HPLC)Appearance: Light yellow to off-white crystalline powder or oilSource: Natural extraction from Psoralea corylifoliaPackaging: Available in customized sizes according to customer requirements About Nanjing Spring & Autumn Biological Engineering Co., Ltd. Nanjing Spring & Autumn Biological Engineering Co., Ltd. is a professional manufacturer and supplier of natural plant extracts and bioactive raw materials for global markets. Our ingredients are widely used in cosmetics, pharmaceuticals, and nutraceutical applications.With advanced extraction technologies, comprehensive quality assurance systems, and a focus on sustainable sourcing, we provide high-purity and stable botanical ingredients to our international partners. We are committed to supporting innovative, safe, and natural formulation development worldwide.   ?? Website: www.km-origus.com.cn

High-Purity Calebin A CAS 336784-82-8 | Natural Curcuminoid for Pharmaceutical and Cosmetic Applications October 24, 2025 Product Introduction Calebin A (CAS: 336784-82-8) is a natural curcuminoid derivative found in the rhizomes of Curcuma longa (turmeric), a plant widely used in traditional medicine and culinary applications. Structurally related to curcumin, Calebin A is a minor but potent bioactive compound known for its stability and broad biological properties. Due to its natural origin and promising pharmacological potential, it has become an attractive raw material for pharmaceutical, nutraceutical, and cosmetic formulations. Natural Source Calebin A is derived from turmeric (Curcuma longa), belonging to the Zingiberaceae family. Unlike curcumin, Calebin A exists in smaller quantities and is obtained through specialized extraction and purification processes. Advanced separation techniques ensure a high-purity product (≥98% HPLC) suitable for both laboratory research and industrial-scale applications. Applications Pharmaceutical Applications: Calebin A has been studied for its anti-inflammatory, antioxidant, and neuroprotective properties. It may support cellular defense mechanisms and modulate signaling pathways related to inflammation and oxidative stress. These properties make it a promising candidate for the development of natural therapeutic agents in chronic inflammation and metabolic health research. Nutraceutical and Cosmetic Applications: As a natural antioxidant and bioactive compound, Calebin A can be incorporated into dietary supplements and cosmetic formulations aimed at skin health, anti-aging, and protection against environmental damage. Its stability and biocompatibility make it an ideal natural ingredient in clean-label and plant-based formulations. Research Use: Calebin A is frequently used as a reference standard in analytical studies of turmeric extracts and in research investigating curcuminoid bioactivity. It also serves as a valuable compound in biochemical and pharmacological research exploring natural product pathways. Product Information Product Name: Calebin ACAS Number: 336784-82-8Purity: ≥98% (HPLC)Appearance: Yellow to orange powderSource: Natural extraction from Curcuma longaPackaging: Customized according to customer requirements About Nanjing Spring & Autumn Biological Engineering Co., Ltd. Nanjing Spring & Autumn Biological Engineering Co., Ltd. is a professional manufacturer and supplier of natural plant extracts and bioactive raw materials for global markets. Our products are widely used in pharmaceuticals, cosmetics, and health supplements.With advanced production technology and strict quality control systems, we ensure high purity, stability, and consistency of our natural ingredients. We are committed to supporting our worldwide partners with reliable and innovative botanical solutions.   ?? Website: www.km-origus.com.cn

  Product Introduction Pristimerin (CAS: 1258-84-0) is a naturally occurring quinone methide triterpenoid compound, mainly found in plants of the Celastraceae family, such as Maytenus and Celastrus species. It has attracted significant attention in recent years due to its wide range of biological activities and potential use as a bioactive raw material in pharmaceutical and cosmetic formulations. Natural Source Pristimerin is primarily extracted from Maytenus ilicifolia, Celastrus paniculatus, and Salacia crassifolia. These plants have been used in traditional medicine for centuries in South America and Asia. The compound is obtained through solvent extraction and purification processes to achieve high purity suitable for research and industrial applications. Applications Pristimerin shows diverse bioactivities that make it valuable in several fields: Pharmaceutical Applications:Pristimerin has been studied for its anti-inflammatory, antioxidant, and potential anticancer properties. It is also being explored for its role in regulating cellular signaling pathways and protecting against oxidative stress. Cosmetic Applications:Due to its antioxidant potential, Pristimerin can be used as a natural active ingredient in skincare formulations aimed at anti-aging and skin protection from environmental stress. Research Use:Pristimerin serves as a useful reference compound in biochemical and pharmacological studies investigating triterpenoid mechanisms and natural product activity. Product Information Product Name: Pristimerin CAS Number: 1258-84-0 Purity: ≥98% (HPLC) Appearance: Yellow powder Source: Natural extraction Packaging: Customized according to customer requirements About Nanjing Spring & Autumn Biological Engineering Co., Ltd. Nanjing Spring & Autumn Biological Engineering Co., Ltd. is a professional manufacturer and supplier of natural plant extracts and bioactive raw materials for the global market. We specialize in providing high-quality ingredients for pharmaceuticals, cosmetics, and health products.Our strict quality control system ensures consistent product purity and stability, supporting our partners worldwide with reliable natural ingredients. Website: www.km-origus.com.cn    

Betulinic Acid 98% CAS 472-15-1 | Premium Natural Compound for Nutraceutical & Cosmetic Innovation September 28, 2025 Introduction Betulinic Acid is a naturally occurring pentacyclic triterpenoid compound predominantly derived from the bark of birch trees (Betula species). Recognized for its wide range of bioactive properties, Betulinic Acid has become a spotlight ingredient in nutraceutical, pharmaceutical, and cosmetic applications. Its natural botanical origin, high purity, and versatility make it a valuable raw material for next-generation health and beauty innovations. What is Betulinic Acid? Betulinic Acid (CAS: 472-15-1) is a lupane-type triterpenoid, often isolated from birch bark through advanced extraction and purification methods. Our 98% high-purity Betulinic Acid ensures standardized quality and reliable bioactivity, providing a superior alternative to crude plant extracts. This consistency makes it an ideal choice for professional applications in nutraceuticals, functional foods, and cosmetic formulations. Applications in Nutraceuticals & Functional Foods With its bioactive potential, Betulinic Acid is gaining recognition as a plant-based compound for innovative nutraceutical development: Capsules & Tablets – Incorporated into standardized formulations for controlled dosage delivery. Functional Food Additives – Supports advanced health-focused product concepts. Research-Oriented Supplements – Attracts global scientific interest for nutraceutical exploration. Applications in Cosmetics As consumers demand more natural and high-performance cosmetic ingredients, Betulinic Acid offers unique benefits for premium skincare and beauty products: Skin Care Formulations – Used in serums, creams, and masks to enhance product value. Botanical-Based Beauty Products – Perfectly aligned with clean-label and plant-derived cosmetic trends. Innovative Cosmetic Concepts – Supports advanced formulations targeting natural functionality and performance. Why Manufacturers Choose Betulinic Acid Natural Botanical Origin – Extracted from birch bark with authenticity and traceability. High Purity & Consistency – 98% purity achieved through rigorous quality control. Versatile Applications – Suitable for nutraceutical, functional food, and cosmetic innovations. Global Market Recognition – Widely regarded as a premium plant-derived ingredient. Quality & Supply from Nanjing Spring & Autumn Biological At Nanjing Spring & Autumn Biological Engineering Co., Ltd., we are dedicated to producing premium botanical extracts for international partners. Our Betulinic Acid (CAS: 472-15-1, 98%) is manufactured with advanced technology, strict analytical testing, and standardized processes to ensure purity, stability, and reliable supply. From raw material sourcing to final quality assurance, we provide trusted solutions for supplement brands, food producers, and cosmetic companies worldwide. Conclusion   Betulinic Acid 98% offers a unique combination of natural origin, high purity, and versatile applications, making it a preferred ingredient for nutraceutical, functional food, and cosmetic innovations. Partnering with Nanjing Spring & Autumn Biological Engineering Co., Ltd. ensures access to top-quality Betulinic Acid, stable supply, and long-term support in the global health and beauty industries.