Description

Quercetin-3-o-Galactoside-7-o-Glucoside CAS NO 56782-99-1 is a specific, high-purity flavonoid glycoside derived from natural sources. This compound is valued for its potent antioxidant and bioactive properties, making it a critical intermediate and reference standard for research and product development. It is primarily sought by manufacturers and researchers in the nutraceutical, pharmaceutical, and cosmetic industries seeking to enhance the bioactivity and stability of their formulations.

Application

• Nutraceutical & Dietary Supplement Formulation: Used as a key active ingredient in antioxidant complexes and immune-support supplements.
• Pharmaceutical Reference Standard & Intermediate: Serves as a certified reference material (CRM) for analytical testing and as a building block for synthesizing advanced therapeutic agents.
• Cosmetic & Skincare Products: Incorporated into anti-aging serums and creams for its skin-protective and anti-inflammatory benefits.
• Functional Food & Beverage Fortification: Applied to enhance the nutritional profile of health-focused foods and drinks.
• Biomedical & Life Science Research: Utilized in in vitro and in vivo studies to investigate mechanisms of action related to oxidative stress and cellular health.
• Natural Colorant & Stabilizer: Functions as a natural pigment and shelf-life extender in select food and cosmetic applications.

Basic Information

Product Name	Quercetin-3-o-Galactoside-7-o-Glucoside
CAS No.	56782-99-1
Molecular Formula	C27H30O17
Molecular Weight	626.52 g/mol
Synonyms	Quercetin 3-Galactoside 7-Glucoside; Quercetin 3-O-β-D-Galactopyranoside-7-O-β-D-Glucopyranoside; 3-O-(β-D-Galactopyranosyl)quercetin 7-O-β-D-glucopyranoside; Quercetin Diglycoside; Quercetin Galactoside Glucoside; Quercetin-3-galactosyl-7-glucoside; Flavonoid glycoside 56782-99-1
EINECS	Contact for details

Quality Control

Our Quercetin-3-o-Galactoside-7-o-Glucoside is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, UV), to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) detailing all specifications 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 product is hygroscopic (moisture-sensitive) and must be kept in a desiccated environment to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC/UV)	Conforms
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥95.0%
Loss on Drying	≤5.0%
Residue on Ignition	≤1.0%
Heavy Metals (as Pb)	≤20 ppm
Solvent Residues	Meets ICH guidelines

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