Description

(2R,3R)-2,3-Dihydro-3,5,7-Trihydroxy-6-Methoxy-2-Phenyl-4H-1-Benzopyran-4-One is a high-purity, optically active flavonoid compound of significant interest in advanced research and development. This compound matters as a critical reference standard and potential pharmaceutical intermediate due to its specific stereochemistry and biological activity profile. It is primarily needed by R&D laboratories, pharmaceutical companies, and fine chemical manufacturers focused on drug discovery, natural product synthesis, and the development of high-value bioactive ingredients.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity testing, and quantification in analytical method development and quality control (QC) for drug substances and natural extracts.
• Biochemical Research: Serves as a key intermediate or probe in studying flavonoid metabolism, enzyme inhibition, and antioxidant mechanisms.
• Nutraceutical & Cosmetic Ingredient Development: Investigated for its potential bioactive properties in the formulation of advanced skincare and dietary supplement products.
• Organic Synthesis: Acts as a chiral building block for the synthesis of more complex flavonoid derivatives and novel chemical entities.
• Academic Research: Utilized in universities and research institutes for studies in phytochemistry, pharmacology, and organic chemistry.

Basic Information

Product Name	(2R,3R)-2,3-Dihydro-3,5,7-Trihydroxy-6-Methoxy-2-Phenyl-4H-1-Benzopyran-4-One
CAS No.	35298-89-6
Molecular Formula	C₁₆H₁₄O₇
Molecular Weight	318.28 g/mol
Synonyms	(2R,3R)-Taxifolin; (2R,3R)-Dihydroquercetin; (2R,3R)-3,5,7,3',4'-Pentahydroxyflavanone; (2R,3R)-2,3-Dihydroquercetin; trans-Taxifolin; (2R,3R)-trans-Dihydroquercetin; (+)-Taxifolin; (2R,3R)-3,3',4',5,7-Pentahydroxyflavanone
EINECS	Contact for details

Quality Control

Our (2R,3R)-2,3-Dihydro-3,5,7-Trihydroxy-6-Methoxy-2-Phenyl-4H-1-Benzopyran-4-One is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring compliance with research-grade specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and specific tests is provided with every shipment.

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; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep the container tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% (2R,3R)
Loss on Drying	≤ 1.0%
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.