Description

Isoquercitrin is a high-purity flavonoid glycoside, a key bioactive compound derived from natural sources. It is valued for its potent antioxidant properties and serves as a critical intermediate and active ingredient in advanced formulations. This product is essential for manufacturers in the nutraceutical, pharmaceutical, and cosmetic industries seeking standardized, high-quality botanical extracts. Our supply of Isoquercitrin CAS NO 21637-25-2 is backed by rigorous quality control to ensure consistency and performance.

Application

• Nutraceutical & Dietary Supplements: Used as a primary active ingredient in antioxidant formulations, immune support products, and general wellness supplements.
• Pharmaceutical Intermediates: Serves as a key starting material or reference standard in the research and development of therapeutic agents targeting inflammation and oxidative stress.
• Cosmetic & Personal Care: Incorporated into anti-aging serums, creams, and lotions for its skin-protective and free radical-scavenging benefits.
• Functional Food & Beverages: Added to enhance the nutritional profile of health-focused foods and drinks with its bioactive properties.
• Research & Development: Utilized as a standard or reagent in biochemical, pharmacological, and analytical research studies.
• Veterinary Supplements: Applied in animal health products designed to support metabolic and immune function.

Basic Information

Product Name	Isoquercitrin
CAS No.	21637-25-2
Molecular Formula	C21H20O12
Molecular Weight	464.38 g/mol
Synonyms	Isoquercetin; Quercetin 3-O-glucoside; Quercetin 3-β-D-glucopyranoside; Hirsutrin; 3-Glucosylquercetin; Quercetin 3-glucoside; Quercimeritrin; Quercetin-3-O-β-D-glucoside
EINECS	244-488-1

Quality Control

Our Isoquercitrin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and identity confirmation by spectroscopic methods. We provide full traceability and Certificates of Analysis (COA) are available for all shipments. Our quality commitment ensures the product meets the stringent requirements for research, nutraceutical, and pharmaceutical applications.

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 light-sensitive nature and tendency for oxidation, it is recommended to store the product under an inert atmosphere for long-term preservation. Keep away from excessive heat and moisture.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC/UV)	Conforms to reference standard
Assay (HPLC)	≥95.0%
Loss on Drying	≤5.0%
Residue on Ignition	≤1.0%
Heavy Metals (as Pb)	≤10 ppm
Solvent Residues	Meets ICH guidelines
Microbiological Analysis	Meets Ph. Eur. / USP criteria

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