Oroxylin A (CAS: 480-11-5) is a natural flavonoid compound primarily obtained from Scutellaria baicalensis roots. With ≥98% purity verified by HPLC, it is widely used in pharmaceutical, nutraceutical, and cosmetic research as a reference material for studying flavonoid structures and bioactive mechanisms. Supplied with full analytical data including COA, HPLC, MS, and NMR reports, for research and formulation development use only.

Urolithin A is a naturally occurring metabolite generated from ellagitannins and ellagic acid through microbial metabolism. These precursor compounds are widely found in plant sources such as pomegranate, berries, and nuts. In recent years, Urolithin A has become a compound of interest in nutritional science, microbiome-related research, and cosmetic ingredient development. Due to its well-defined structure and availability in high purity, it is widely used as a reference compound in laboratory studies and formulation research. Nanjing Spring & Autumn Biological Engineering Co., Ltd. provides high purity Urolithin A (CAS 1143-70-0) suitable for research institutions, ingredient manufacturers, and formulation developers. Our material is produced under strict quality control standards, ensuring reliable purity and batch consistency.   This product is supplied as a raw material for research, analytical, and industrial ingredient applications.

Schisantherin A is a well-defined lignan compound isolated from the fruit of Schisandra chinensis, recognized as one of the characteristic bioactive constituents of Schisandra-derived materials. It is developed to support researchers and ingredient developers who require a clearly identified single compound with stable purity and reliable quality, rather than complex botanical extracts. Compared with conventional Schisandra extracts, Schisantherin A provides a single-molecule solution with enhanced batch-to-batch consistency, making it suitable for mechanism studies, formulation research, and natural product development. Its traceable botanical origin and standardized purification process help minimize variability in R&D results and support reproducible experimental outcomes.   Schisantherin A is supplied primarily for research and industrial R&D use. Complete analytical documentation is available to support global B2B applications and technical evaluation.

Equol (CAS: 531-95-3) is a high-purity isoflavone metabolite widely used as a functional ingredient in nutraceutical, cosmetic, and scientific research applications.It is valued for its stable chemical structure and compatibility with various formulations, making it suitable for product development, quality research, and analytical use.Nanjing Spring & Autumn Biological Engineering Co., Ltd. supplies Equol with strict quality control, reliable batch consistency, and flexible specifications to meet global market requirements.

2-Bromo-5-Hydroxybenzoic Acid (CAS: 58380-11-3) is a high-purity brominated aromatic compound widely used as an important intermediate in pharmaceutical synthesis, fine chemicals, and advanced organic research.With both bromine and hydroxyl functional groups, this compound offers excellent reactivity and flexibility in coupling reactions and structural modification, making it suitable for laboratory research as well as industrial-scale production.Nanjing Spring & Autumn Biological Engineering Co., Ltd. supplies this product with stable quality, strict quality control, and flexible specifications to meet global customer requirements.

Schisandrol A is a well-characterized lignan compound isolated from Schisandra chinensis, widely studied as a key active constituent in Schisandra-derived ingredients. It is developed to meet the needs of researchers and ingredient developers who require defined chemical structure, stable purity, and reproducible quality, rather than complex multi-component extracts. Compared with conventional Schisandra extracts, Schisandrol A offers a single-compound solution with improved batch-to-batch consistency, making it suitable for mechanism studies, formulation research, and natural product development. With a traceable botanical source and standardized purification process, this ingredient helps reduce variability in R&D outcomes and supports reliable data generation.   Schisandrol A is supplied mainly for research and industrial R&D purposes, with complete analytical documentation available to support global B2B applications.

4′-Methylchrysoeriol (CAS: 4712-12-3), also known as Luteolin-3′,4′-dimethyl ether, is a naturally occurring O-methylated flavonoid derived from plant-based botanical sources. With ≥98% HPLC purity, it is widely used as a research-grade flavonoid reference material for phytochemical analysis, chromatographic method development, and early-stage formulation research.   Supplied with complete technical documentation including COA, HPLC chromatogram, MS, and NMR data.For laboratory and R&D use only.

6-Demethoxylnobiletin (CAS: 17290-70-9) is a naturally occurring polymethoxylated flavone primarily isolated from citrus-derived botanical materials. With ≥98% HPLC purity, it is widely used as a research-grade flavonoid reference for phytochemical analysis, chromatographic method development, and early-stage formulation research. Supplied with complete technical documentation including COA, HPLC chromatogram, MS, and NMR data.For laboratory and R&D use only.

5-Hydroxy-3',4',6,7-tetramethoxyflavone (CAS: 21763-80-4) is a naturally derived polymethoxylated flavone commonly found in citrus-related botanical sources. With ≥98% HPLC purity, this compound is widely used as a research-grade flavonoid reference for phytochemical analysis, chromatographic method development, and early-stage formulation research.   Supplied with complete documentation including COA, HPLC chromatogram, MS, and NMR data.For laboratory and R&D use only.

2',3',5'-Tri-O-acetyluridine (CAS: 4105-38-8) is a high-purity acetylated nucleoside derivative synthesized from uridine via selective acetylation. With ≥98% HPLC purity, this compound is widely used as a research-grade intermediate and reference material in nucleoside chemistry, synthetic pathway development, and analytical method studies. Supplied with complete technical documentation including COA, HPLC chromatogram, MS, and NMR data.For laboratory and industrial R&D use only.

Rhoifolin (CAS: 17306-46-6) is a naturally occurring flavone glycoside commonly found in Rhus succedanea, Citrus leaves, and various botanical sources. With ≥98% HPLC purity, Rhoifolin is widely used as a research-grade flavonoid standard for analytical, phytochemical, and formulation development applications.Supplied with complete documentation including COA, HPLC, MS, and NMR data.For laboratory and R&D use only.

Gastrodin (CAS: 62499-27-8) is a natural phenolic glycoside primarily obtained from Gastrodia elata (Tianma). With ≥98% purity verified by HPLC, it is widely used as a research-standard compound in pharmaceutical, nutraceutical, and cosmetic ingredient development. Full analytical documentation including COA, HPLC, MS, and NMR reports is provided.For research and formulation development purposes only.