Description

4H-1-Benzopyran-4-One, 2-(3-(β-D-Glucopyranosyloxy)-4-Hydroxyphenyl)-3,5,7-Trihydroxy- is a flavonoid glycoside of significant commercial and research interest. This compound is valued for its role as a key bioactive intermediate and reference standard in the development of nutraceuticals and pharmaceuticals. It is primarily sought by manufacturers and R&D laboratories in the dietary supplement, cosmetic, and advanced chemical synthesis sectors.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of advanced flavonoid-based drug candidates.
• Nutraceutical & Dietary Supplement Formulation: Used as a standardized ingredient or reference compound in products targeting antioxidant support.
• Cosmetic & Skincare Actives: Incorporated into formulations for its potential antioxidant and skin-conditioning properties.
• Biochemical Research & Standard: Employed as a high-purity analytical reference standard in HPLC, LC-MS, and pharmacological studies.
• Food Science & Functional Ingredients: Investigated for use in fortifying foods and beverages with bioactive flavonoid content.
• Chemical Synthesis: Acts as a starting material or intermediate for the derivatization of more complex flavonoid molecules.

Basic Information

Product Name	4H-1-Benzopyran-4-One, 2-(3-(β-D-Glucopyranosyloxy)-4-Hydroxyphenyl)-3,5,7-Trihydroxy-
CAS No.	19254-30-9
Molecular Formula	C21H20O12
Molecular Weight	464.38 g/mol
Synonyms	Kaempferol 3-O-glucoside; Kaempferol 3-glucoside; Kaempferol 3-O-β-D-glucopyranoside; Astragalin; Astragaline; Kaempferol-3-O-β-D-glucoside; 3-(β-D-Glucopyranosyloxy)-4',5,7-trihydroxyflavone; Kaempferol 3-monoglucoside
EINECS	242-940-1

Quality Control

We supply Astragalin (Kaempferol 3-glucoside) in various purity grades to meet diverse application needs, from research to commercial scale. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles by HPLC are available upon request. We can provide material compliant with relevant specifications for use as a reference standard.

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 compound is light-sensitive and easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon) to maintain optimal stability and purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥95.0% (Standard Grade)
Water Content (KF)	≤5.0%
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.