Description

3,5,7-Trihydroxy-2-(4-Hydroxy-3-Methoxyphenyl)-6-Methoxy-4H-1-Benzopyran-4-One CAS NO 3153-83-1 is a high-purity flavonoid compound, also known as 3-O-Methylquercetin, valued for its potent antioxidant and bioactive properties. This compound is critical for research and development in the pharmaceutical and nutraceutical industries, where consistent quality and reliable supply are paramount. It serves as a key reference standard and active ingredient for manufacturers focused on developing health supplements, functional foods, and advanced therapeutic agents.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for analytical method development, validation, and quality control in drug manufacturing.
• Nutraceutical Ingredient: Incorporated into dietary supplements and functional foods for its well-documented antioxidant and potential health-promoting benefits.
• Biochemical Research: Essential for in-vitro and in-vivo studies investigating flavonoid metabolism, bioavailability, and mechanisms of action in biological systems.
• Cosmeceutical Formulations: Utilized in advanced skincare products for its anti-aging and protective properties against environmental stressors.
• Natural Product Isolation & Synthesis: Acts as a key intermediate or target molecule in the synthesis and purification of complex flavonoid derivatives.

Basic Information

Product Name	3,5,7-Trihydroxy-2-(4-Hydroxy-3-Methoxyphenyl)-6-Methoxy-4H-1-Benzopyran-4-One
CAS No.	3153-83-1
Molecular Formula	C₁₇H₁₄O₈
Molecular Weight	346.29 g/mol
Synonyms	3-O-Methylquercetin; Quercetin 3-Methyl Ether; 3-Methoxyquercetin; 5,7,3',4'-Tetrahydroxy-3-methoxyflavone; 3-Methylquercetin; 3-OMe-Q; 3-MQ; 3-O-Methyl-3',4',5,7-tetrahydroxyflavone
EINECS	221-614-5

Quality Control

Our 3,5,7-Trihydroxy-2-(4-Hydroxy-3-Methoxyphenyl)-6-Methoxy-4H-1-Benzopyran-4-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and commercial applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and analytical results is 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). This product is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). For long-term storage, consider sealing under an inert gas such as nitrogen or argon to maintain stability and potency.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.2%
Heavy Metals (as Pb)	≤ 10 ppm

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