Description

7-(α-L-Rhamnopyranosyloxy)-2-(3,4-Dihydroxyphenyl)-3,5-Dihydroxy-4H-1-Benzopyran-4-One is a high-purity flavonoid glycoside compound, valued for its potent antioxidant and bioactive properties. This compound is critical for research and development in the nutraceutical and pharmaceutical sectors, where consistent quality and reliable supply are paramount. It serves as a key reference standard and active ingredient for manufacturers focused on natural product development and advanced biochemical studies.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity testing, and quantification of related flavonoid compounds in drug development and quality control laboratories.
• Nutraceutical & Dietary Supplement Formulation: Incorporated as a bioactive ingredient in supplements targeting oxidative stress, leveraging its antioxidant capacity.
• Biochemical & Pharmacological Research: Serves as a crucial tool in in vitro and in vivo studies investigating anti-inflammatory, cardioprotective, and neuroprotective mechanisms.
• Cosmeceutical Active Ingredient: Applied in advanced skincare formulations for its potential anti-aging and skin-protecting properties against environmental stressors.
• Natural Product Isolation & Analysis: Acts as a benchmark compound in the chromatographic analysis and standardization of plant extracts and herbal medicines.

Basic Information

Product Name	7-(α-L-Rhamnopyranosyloxy)-2-(3,4-Dihydroxyphenyl)-3,5-Dihydroxy-4H-1-Benzopyran-4-One
CAS No.	22007-72-3
Molecular Formula	C21H20O11
Molecular Weight	448.38 g/mol
Synonyms	Quercitrin; Quercetin 3-rhamnoside; Quercetin-3-O-α-L-rhamnopyranoside; 3,3',4',5,7-Pentahydroxyflavone 3-rhamnoside; Quercetin 3-O-α-L-rhamnopyranoside; Quercetin 3-O-rhamnoside; Quercetin-3-rhamnoside; Sophoretin-3-rhamnoside
EINECS	244-706-0

Quality Control

Our 7-(α-L-Rhamnopyranosyloxy)-2-(3,4-Dihydroxyphenyl)-3,5-Dihydroxy-4H-1-Benzopyran-4-One is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) detailing all specifications are available upon request.

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 sensitivity to oxidation, long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended for optimal stability.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥95.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤20 ppm

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