Description

(+)-5-[(2S)-3,4-Dihydro-3α,7-Dihydroxy-2H-1-Benzopyran-2β-Yl]-1,2,3-Benzenetriol is a high-purity, optically active flavonoid derivative with significant biological activity. This compound is valued for its role as a key intermediate in advanced pharmaceutical research and development. It is primarily sought by research institutions and manufacturers in the pharmaceutical, nutraceutical, and fine chemical sectors for the synthesis of novel therapeutic agents and reference standards.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel drug candidates targeting oxidative stress and inflammation.
• Biochemical Research: Used as a reference standard or active compound in studies of enzyme inhibition, antioxidant pathways, and cellular signaling.
• Nutraceutical Development: Serves as a high-purity ingredient for advanced dietary supplements and functional food formulations.
• Analytical Standard: Employed as a certified reference material (CRM) for quality control and method validation in analytical laboratories.
• Cosmeceutical Actives: Incorporated into premium skincare formulations for its potential antioxidant and protective properties.

Basic Information

Product Name	(+)-5-[(2S)-3,4-Dihydro-3α,7-Dihydroxy-2H-1-Benzopyran-2β-Yl]-1,2,3-Benzenetriol
CAS No.	17445-90-8
Molecular Formula	C15H14O6
Molecular Weight	290.27 g/mol
Synonyms	(+)-Taxifolin; (2R,3R)-Dihydroquercetin; (2R,3R)-Taxifolin; Dihydroquercetin; Distylin; 3,3',4',5,7-Pentahydroxyflavanone; (+)-Dihydroquercetin; (2R,3R)-2,3-Dihydroquercetin
EINECS	Contact for details

Quality Control

Our (+)-5-[(2S)-3,4-Dihydro-3α,7-Dihydroxy-2H-1-Benzopyran-2β-Yl]-1,2,3-Benzenetriol is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and chiral purity verification, to ensure it meets stringent specifications for research and production use. Certificates of Analysis (COA) detailing all test results are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to prevent oxidation and degradation. The container should be kept in a cool, dry, and well-ventilated area away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% (2R,3R)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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