Description

3,7-Dimethoxy-3',4',5-Trihydroxyflavone is a polymethoxyflavone derivative, a subclass of flavonoids known for their significant biological activity. This compound is valued for its role as a key intermediate in pharmaceutical research and as a reference standard for analytical purposes. It is primarily sought by research institutions and manufacturers in the pharmaceutical, nutraceutical, and cosmetic industries for developing bioactive formulations and conducting quality control analyses.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block for the synthesis of novel therapeutic agents targeting inflammation and oxidative stress.
• Analytical Reference Standard: Used in HPLC and LC-MS methods for the identification, purity assessment, and quantification of flavonoid content in complex matrices.
• Nutraceutical Research: Investigated for its potential antioxidant and bioactive properties in dietary supplement development.
• Cosmetic Ingredient R&D: Explored for incorporation into skincare formulations for its potential anti-aging and protective effects.
• Biochemical Research: Utilized in in-vitro and in-vivo studies to elucidate structure-activity relationships and metabolic pathways of flavonoids.

Basic Information

Product Name	3,7-Dimethoxy-3',4',5-Trihydroxyflavone
CAS No.	552-54-5
Molecular Formula	C₁₇H₁₄O₇
Molecular Weight	330.29 g/mol
Synonyms	3,7-Dimethoxy-3',4',5-trihydroxyflavone; 3',4',5-Trihydroxy-3,7-dimethoxyflavone; 5-Hydroxy-3',4',7-trimethoxyflavone; 3,7-Dimethylquercetin; Quercetin 3,7-dimethyl ether; 3,7-Di-O-methylquercetin; Sophoraflavone G
EINECS	209-004-7

Quality Control

Our 3,7-Dimethoxy-3',4',5-Trihydroxyflavone is produced under a strict quality management system. 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 development. Certificates of Analysis (COA) detailing all test results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 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%

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