Description

Quercetin-3-o-Sophoroside is a specific flavonoid glycoside derived from quercetin, a well-known natural antioxidant. This compound is valued for its potent biological activity and serves as a key reference standard and active ingredient in advanced research and product development. It is primarily sought after by manufacturers and researchers in the nutraceutical, pharmaceutical, and cosmetic industries for its potential health-promoting properties.

Application

• Pharmaceutical Reference Standard: Used for the identification, purity testing, and quantification of quercetin derivatives in drug development and quality control laboratories.
• Nutraceutical Formulations: Incorporated into dietary supplements and functional foods for its antioxidant and potential anti-inflammatory benefits.
• Cosmetic & Skincare Actives: Formulated into serums and creams for its skin-protective and anti-aging properties against environmental stressors.
• Biochemical Research: Serves as a critical reagent in studies investigating flavonoid metabolism, bioavailability, and mechanism of action.
• Natural Product Standardization: Used to standardize botanical extracts containing complex flavonoid profiles for consistent potency.

Basic Information

Product Name	Quercetin-3-o-Sophoroside
CAS No.	18609-17-1
Molecular Formula	C27H30O17
Molecular Weight	626.52 g/mol
Synonyms	Quercetin 3-Sophoroside; Quercetin 3-O-Sophoroside; Sophoraflavonoloside; Quercetin-3-O-β-D-sophoroside; Quercetin 3-O-[β-D-glucopyranosyl-(1→2)-β-D-glucopyranoside]; 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one 3-O-sophoroside; Kaempferol-3-o-sophoroside isomer
EINECS	Contact for details

Quality Control

Our Quercetin-3-o-Sophoroside is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a low-humidity environment to maintain stability.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow 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)	≤20 ppm

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