Description

(S)-2-(3,4-Dihydroxyphenyl)-2,3-Dihydro-7,8-Dihydroxy-4H-1-Benzopyran-4-One is a high-purity, optically active flavonoid derivative of significant interest in advanced research and development. This compound, with CAS number 1036-49-3, is valued for its specific stereochemistry and polyphenolic structure, which are critical for precise biological activity and interaction studies. It is primarily sought by researchers and developers in the pharmaceutical, nutraceutical, and life science sectors for applications in drug discovery, metabolic studies, and as a reference standard.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block or precursor in the synthesis of novel therapeutic agents targeting oxidative stress and inflammation.
• Biochemical Research: Used as a reference standard or probe in enzymatic studies, receptor binding assays, and metabolic pathway analysis due to its defined stereochemistry.
• Nutraceutical & Cosmetic Actives: Investigated for incorporation into advanced formulations for its potential antioxidant and cell-protective properties.
• Analytical Standard: Essential for quality control and method development in HPLC, LC-MS, and other analytical techniques within QC/QA laboratories.
• Academic Research: Employed in universities and research institutes for studies in medicinal chemistry, pharmacology, and natural product chemistry.

Basic Information

Product Name	(S)-2-(3,4-Dihydroxyphenyl)-2,3-Dihydro-7,8-Dihydroxy-4H-1-Benzopyran-4-One
CAS No.	1036-49-3
Molecular Formula	C15H12O6
Molecular Weight	288.25 g/mol
Synonyms	(S)-Taxifolin; (2S,3S)-Dihydroquercetin; (2S,3S)-Taxifolin; (S)-Dihydroquercetin; (2S,3S)-3,3',4',5,7-Pentahydroxyflavanone; Distylin; Contact for details on additional trade names.
EINECS	213-857-0

Quality Control

Our (S)-Taxifolin is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including chiral purity verification by HPLC, to ensure identity, potency, and consistency. We provide full traceability and Certificates of Analysis (COA) are supplied with every shipment, detailing specifications such as assay, enantiomeric excess, and impurity profiles. Our quality commitment aligns with the standards expected for research and development materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is easily oxidized (store under inert atmosphere) and is light-sensitive. For long-term storage, consider inert gas purging and refrigeration (2-8°C). Keep the container tightly sealed in a dry environment to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.