Description

(S)-2,3-Dihydro-7-Hydroxy-2-(3,4,5-Trihydroxyphenyl)-4H-1-Benzopyran-4-One CAS NO 4382-34-7 is a high-purity, single-enantiomer flavanone derivative, a key chiral intermediate in advanced organic synthesis. This compound is valued for its defined stereochemistry and polyphenolic structure, which are critical for producing compounds with specific biological activity. It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for developing novel therapeutic agents and high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial chiral building block for the synthesis of potential drug candidates, particularly in cardiovascular and metabolic disease research.
• Biochemical Research: Used as a standard or probe in studies investigating antioxidant mechanisms, enzyme inhibition, and receptor binding due to its specific flavanone structure.
• Asymmetric Synthesis: Serves as a starting material or template for constructing complex, enantiomerically pure natural product analogs and novel chemical entities.
• Nutraceutical & Cosmetic Ingredient Development: Explored for its potential antioxidant properties in the formulation of advanced skincare and dietary supplement prototypes.
• Reference Standard: Employed in analytical laboratories for method development, validation, and quality control of related flavonoid compounds.

Basic Information

Product Name	(S)-2,3-Dihydro-7-Hydroxy-2-(3,4,5-Trihydroxyphenyl)-4H-1-Benzopyran-4-One
CAS No.	4382-34-7
Molecular Formula	C15H12O6
Molecular Weight	288.25 g/mol
Synonyms	(S)-7-Hydroxy-2-(3,4,5-trihydroxyphenyl)chroman-4-one; (2S)-7-Hydroxy-2-(3,4,5-trihydroxyphenyl)-2,3-dihydro-4H-chromen-4-one; (S)-Taxifolin; (2S,3S)-Dihydroquercetin; Enantiomerically Pure Dihydroquercetin; (S)-Dihydroquercetin; (2S)-Dihydroquercetin; (S)-3,3',4',5,7-Pentahydroxyflavanone
EINECS	Contact for details

Quality Control

Our (S)-2,3-Dihydro-7-Hydroxy-2-(3,4,5-Trihydroxyphenyl)-4H-1-Benzopyran-4-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are 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 an inert atmosphere (e.g., 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)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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