Description

(S)-7-(β-D-Glucopyranosyloxy)-2,3-Dihydro-5-Hydroxy-2-(4-Hydroxyphenyl)-6-Methyl-4H-1-Benzopyran-4-One CAS NO 24274-44-0 is a specific, high-purity flavonoid glycoside compound. This molecule is valued for its precise stereochemistry and potential as a key reference standard or intermediate in advanced research and development. It is primarily sought by professionals in the pharmaceutical, nutraceutical, and phytochemical industries for applications requiring well-defined bioactive compounds. Our supply ensures consistent quality and reliable availability for critical projects.

Application

• Pharmaceutical Reference Standard: Used for the identification, assay, and purity testing of active pharmaceutical ingredients (APIs) and herbal extracts in quality control laboratories.
• Biochemical Research: Serves as a critical reagent in studies investigating flavonoid metabolism, bioavailability, and specific biological activities.
• Nutraceutical Development: Employed as a standardized component in the formulation of high-end dietary supplements where consistent potency is required.
• Analytical Method Development: Acts as a primary standard for calibrating analytical instruments like HPLC and LC-MS in method validation and compound quantification.
• Natural Product Isolation & Synthesis: Used as a benchmark compound for the isolation of similar flavonoids from natural sources or as a building block in synthetic pathways.

Basic Information

Product Name	(S)-7-(β-D-Glucopyranosyloxy)-2,3-Dihydro-5-Hydroxy-2-(4-Hydroxyphenyl)-6-Methyl-4H-1-Benzopyran-4-One
CAS No.	24274-44-0
Molecular Formula	C22H24O11
Molecular Weight	464.42 g/mol
Synonyms	(S)-7-Glucosyloxy-2,3-dihydro-5-hydroxy-2-(4-hydroxyphenyl)-6-methyl-4H-1-benzopyran-4-one; (S)-Taxifolin 7-O-β-D-glucopyranoside; (2S,3S)-Dihydroquercetin 7-O-β-D-glucoside; (2S,3S)-Taxifolin 7-O-glucoside; Astilbin (referring to a specific stereoisomer); Dihydroquercetin 7-glucoside; Engelitin; Flavonoid glycoside 24274-44-0
EINECS	Contact for details

Quality Control

Every batch of (S)-7-(β-D-Glucopyranosyloxy)-2,3-Dihydro-5-Hydroxy-2-(4-Hydroxyphenyl)-6-Methyl-4H-1-Benzopyran-4-One is produced and tested under a strict quality management system. We provide comprehensive analytical data to support its use as a high-grade material for research and development. A detailed Certificate of Analysis (COA), including results for identity, purity, and related substances by HPLC, is supplied with each shipment to ensure full traceability and compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent absorption of moisture. For long-term storage, consider desiccants or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Specific Rotation	Contact for details
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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