Description

4H-1-Benzopyran-4-One, 2-(3,4-Dihydroxyphenyl)-7-((o-D-Galactopyranosyl L-β-D-Galactopyranosyl)Oxy)-5-Hydroxy- is a complex flavonoid glycoside, a compound of significant interest in advanced biochemical research and development. Its intricate structure, featuring a flavonoid core linked to a disaccharide unit, underpins its value as a high-purity reference standard and a key intermediate for specialized synthesis. This product is essential for researchers and manufacturers in the pharmaceutical, nutraceutical, and life science sectors, where precise molecular integrity is critical for activity studies, analytical method development, and the production of standardized botanical extracts.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for the identification, assay, and purity testing of flavonoid-based drugs and botanical preparations in compliance with pharmacopeial methods (e.g., USP, EP).
• Biochemical Research: Serves as a crucial substrate or inhibitor in enzymatic studies, particularly those investigating glycosidase activity, antioxidant pathways, and cellular signaling mechanisms.
• Nutraceutical & Cosmetic Ingredient Development: Employed as a high-purity active ingredient or marker compound in the formulation of advanced dietary supplements and cosmeceuticals targeting oxidative stress.
• Analytical Chemistry: Functions as a primary standard for calibrating HPLC, LC-MS, and other chromatographic systems used in the quantitative analysis of complex plant matrices and biological samples.
• Synthetic Chemistry Intermediate: Provides a sophisticated starting material or building block for the semi-synthesis of novel flavonoid derivatives with potential enhanced bioactivity.

Basic Information

Item	Detail
Product Name	4H-1-Benzopyran-4-One, 2-(3,4-Dihydroxyphenyl)-7-((o-D-Galactopyranosyl L-β-D-Galactopyranosyl)Oxy)-5-Hydroxy-
CAS No.	68566-74-5
Molecular Formula	C27H30O16
Molecular Weight	610.52 g/mol
Synonyms	Quercetin 7-O-digalactoside; Quercetin 7-O-β-D-digalactopyranoside; 7-O-β-D-Digalactopyranosylquercetin; Quercetin digalactoside; 2-(3,4-Dihydroxyphenyl)-5-hydroxy-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one
EINECS	Contact for details

Quality Control

Every batch of this high-grade compound is produced and analyzed under strict quality management protocols. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles, ensuring traceability and compliance with research and development requirements. Our quality systems are designed to support applications demanding high analytical standards, including use as a reference material.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to minimize oxidation and ensure long-term stability. The container should be kept in a cool, dry, and well-ventilated area, away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 0.5%

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