Description

4H-1-Benzopyran-4-One, 2-(3,4-Dihydroxyphenyl)-3-(α-D-Galactopyran Osyloxy)-5,7-Dihydroxy- is a complex flavonoid glycoside, a key bioactive compound derived from natural sources. This high-purity chemical is valued for its potent antioxidant and biochemical properties, making it a critical intermediate for advanced research and product development. It is primarily sought by manufacturers and researchers in the pharmaceutical, nutraceutical, and high-value specialty chemical sectors.

Application

• Pharmaceutical Intermediate: Serves as a key starting material or reference standard in the synthesis of novel therapeutic agents targeting oxidative stress and inflammation.
• Nutraceutical & Dietary Supplement Formulation: Used as a standardized bioactive ingredient in high-end supplements for its antioxidant potential.
• Biochemical & Life Science Research: Acts as a crucial reference compound and reagent in studies of flavonoid metabolism, enzyme inhibition, and cellular pathways.
• Cosmeceutical Development: Incorporated into advanced skincare formulations for its potential anti-aging and protective properties against environmental damage.
• Analytical Standard: Provides a high-purity standard for quality control and quantification in HPLC, LC-MS, and other analytical methods within QC laboratories.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 2-(3,4-Dihydroxyphenyl)-3-(α-D-Galactopyran Osyloxy)-5,7-Dihydroxy-
CAS No.	65549-68-0
Molecular Formula	C21H20O13
Molecular Weight	480.38 g/mol
Synonyms	Quercetin 3-O-α-D-galactopyranoside; 2-(3,4-Dihydroxyphenyl)-3-(α-D-galactopyranosyloxy)-5,7-dihydroxy-4H-chromen-4-one; Quercetin 3-galactoside (α-form); Avicularin (α-galactoside); Quercetin 3-O-α-galactoside; Quercetin-α-D-galactoside; 3-O-α-D-Galactopyranosylquercetin
EINECS	Contact for details

Quality Control

Our 4H-1-Benzopyran-4-One, 2-(3,4-Dihydroxyphenyl)-3-(α-D-Galactopyran Osyloxy)-5,7-Dihydroxy- is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the exacting standards required for research and industrial use. A detailed Certificate of Analysis (COA) 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a low-humidity environment. For long-term storage, consider desiccants or inert atmosphere.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
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.