Description

7,3',4'-Trihydroxyflavone is a high-purity flavonoid compound, also known as Dihydroquercetin, recognized for its potent antioxidant and bioactive properties. This compound is a critical intermediate and reference standard for research and development in the pharmaceutical and nutraceutical sectors. It is essential for scientists and manufacturers in the fields of life sciences, cosmetic ingredient development, and functional food additives who require a reliable, high-quality source of this specific polyphenol.

Application

• Pharmaceutical Research: Serves as a key reference standard and active pharmaceutical ingredient (API) intermediate for studying antioxidant, anti-inflammatory, and cardioprotective mechanisms.
• Nutraceutical Formulation: Used as a premium bioactive ingredient in dietary supplements targeting oxidative stress and supporting vascular health.
• Cosmetic Science: Incorporated into advanced skincare formulations for its anti-aging and skin-protective antioxidant properties.
• Biochemical Research: Acts as a crucial tool compound in enzymology and cell biology studies to investigate flavonoid metabolism and biological pathways.
• Analytical Chemistry: Employed as a certified reference material (CRM) for method development and quality control in HPLC and LC-MS analyses.
• Functional Food & Beverage: Utilized as a natural antioxidant additive to enhance the shelf-life and health profile of food products.

Basic Information

Item	Detail
Product Name	7,3',4'-Trihydroxyflavone
CAS No.	2150-11-0
Molecular Formula	C15H10O5
Molecular Weight	270.24 g/mol
Synonyms	Dihydroquercetin; Taxifolin; (+)-Taxifolin; (2R,3R)-Dihydroquercetin; 3,3',4',5,7-Pentahydroxyflavanone; Larixinic acid; Distylin; Contact for details on additional aliases.
EINECS	218-432-0

Quality Control

Our 7,3',4'-Trihydroxyflavone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR, to ensure it meets stringent specifications for research and production use. Certificates of Analysis (COA) detailing all test results are provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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