Description

Quercetin 3-o-(6''-Galloyl)-β-D-Galactopyranoside is a specialized flavonoid glycoside compound, notable for its unique chemical structure combining quercetin, gallic acid, and galactose. This compound matters for its potent biological activity, serving as a high-value intermediate and reference standard in advanced research and development. It is primarily needed by the pharmaceutical, nutraceutical, and life science industries for applications in drug discovery, analytical chemistry, and the study of natural product mechanisms.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for quality control, method validation, and pharmacokinetic studies of flavonoid-based therapeutics.
• Nutraceutical & Dietary Supplement Research: Investigated for its potential antioxidant, anti-inflammatory, and metabolic health benefits as a key active ingredient or marker compound.
• Biochemical & Pharmacological Research: Serves as a crucial tool in vitro and in vivo studies to elucidate structure-activity relationships (SAR) and mechanisms of action of polyphenolic compounds.
• Cosmeceutical Development: Evaluated for inclusion in advanced skincare formulations targeting oxidative stress and inflammation due to its bioactive properties.
• Analytical Chemistry: Employed as a high-purity calibration standard in HPLC, LC-MS, and other chromatographic techniques for the quantification of complex plant extracts.

Basic Information

Product Name	Quercetin 3-o-(6''-Galloyl)-β-D-Galactopyranoside
CAS No.	53171-28-1
Molecular Formula	C28H24O16
Molecular Weight	616.48 g/mol
Synonyms	Quercetin 3-O-(6''-galloyl)-β-D-galactopyranoside; Quercetin 3-O-(6-galloyl)-galactoside; 2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-[[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-[[(3,4,5-trihydroxybenzoyl)oxy]methyl]oxan-2-yl]oxy]chromen-4-one; Galloylquercetin galactoside; Quercetin 3-O-galloylgalactoside
EINECS	Contact for details

Quality Control

Our Quercetin 3-o-(6''-Galloyl)-β-D-Galactopyranoside is produced and tested under a strict quality management system. Each batch undergoes comprehensive analytical characterization, including HPLC for purity, NMR and MS for structural confirmation, and meets stringent specifications for research and development use. A detailed Certificate of Analysis (COA) is provided with every shipment to ensure 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 (typically 15-25°C). This product is light-sensitive (store away from light). For long-term storage, consider desiccant and inert atmosphere conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (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.