Description

3,3'-Di-o-Methylquercetin is a specific, methylated derivative of the flavonoid quercetin, offering enhanced stability and bioavailability. This compound is valued for its potent antioxidant and anti-inflammatory properties, making it a key intermediate for advanced research and product development. It is primarily sought by manufacturers in the nutraceutical, pharmaceutical, and cosmeceutical industries for formulating high-performance dietary supplements, therapeutic agents, and skincare products.

Application

• As a key bioactive ingredient in premium nutraceutical and dietary supplement formulations targeting oxidative stress.
• As a pharmaceutical intermediate for the research and development of anti-inflammatory and cardioprotective drugs.
• As a stability-enhanced active in advanced cosmeceutical and anti-aging skincare products.
• As a reference standard in analytical laboratories for quality control and method development.
• As a research biochemical for in vitro and in vivo studies in pharmacology and molecular biology.
• For use in functional food and beverage applications requiring a stable, bioavailable flavonoid.

Basic Information

Product Name	3,3'-Di-o-Methylquercetin
CAS No.	4382-17-6
Molecular Formula	C₁₇H₁₄O₇
Molecular Weight	330.29 g/mol
Synonyms	3,3'-Dimethylquercetin; Quercetin 3,3'-dimethyl ether; 3,3'-Di-O-methylquercetin; 5,7,3',4'-Tetrahydroxy-3,3'-dimethoxyflavone; 3,3'-Dimethoxyquercetin; Ombuin 3,3'-dimethyl ether; NSC 407303
EINECS	Contact for details

Quality Control

Our 3,3'-Di-o-Methylquercetin is produced under strict quality management systems. Every 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 commercial use. Certificates of Analysis (COA) detailing all specifications 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). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (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.