Description

(+)-Taxifolin CAS NO 17654-26-1 is a high-purity, bioactive dihydroflavonol compound, also known as dihydroquercetin. This potent natural antioxidant is valued for its superior stability and bioavailability compared to other flavonoids. It serves as a critical raw material for the pharmaceutical, nutraceutical, and cosmetic industries, where its free radical scavenging and anti-inflammatory properties are leveraged.

Application

• Pharmaceutical Intermediates: Used in the research and development of cardiovascular, hepatoprotective, and anti-diabetic drugs.
• Dietary Supplements & Nutraceuticals: A key active ingredient in antioxidant formulations, immune support products, and general wellness supplements.
• Cosmetics & Personal Care: Incorporated into anti-aging serums, creams, and lotions for its skin-protective and collagen-stabilizing effects.
• Food & Beverage Preservation: Acts as a natural antioxidant additive to extend shelf life and prevent oxidation in functional foods and beverages.
• Biochemical Research: Employed as a standard or reagent in studies related to oxidative stress, enzyme inhibition, and cell signaling pathways.
• Animal Nutrition/Feed Additives: Used to enhance animal health and improve the quality of animal-derived products.

Basic Information

Product Name	(+)-Taxifolin
CAS No.	17654-26-1
Molecular Formula	C15H12O7
Molecular Weight	304.25 g/mol
Synonyms	Dihydroquercetin; Taxifolin; (+)-Dihydroquercetin; (2R,3R)-Dihydroquercetin; (2R,3R)-2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-2,3-dihydrochromen-4-one; 3,5,7,3',4'-Pentahydroxyflavanone; Distylin; Larixine; Contact for details on additional trade names.
EINECS	241-640-8

Quality Control

Our (+)-Taxifolin is manufactured under strict quality management systems. Each batch is tested to ensure it meets high-purity standards suitable for pharmaceutical and nutraceutical applications. A comprehensive Certificate of Analysis (COA), detailing purity, identity, and impurity profiles, is provided with every shipment to guarantee supply reliability and product consistency.

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 product is light-sensitive and easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen to maintain optimal stability and potency.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0%
Specific Rotation	+15° to +20° (c=1 in ethanol)
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Total Plate Count	≤ 1000 cfu/g
Yeast & Mold	≤ 100 cfu/g

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