Description

3,3',4',5,7-Pentahydroxy-8-Methoxyflavone is a specialized flavonoid derivative, also known as 8-Methoxyquercetin, with significant biological activity. This compound matters for its potent antioxidant and potential therapeutic properties, making it a valuable intermediate for advanced research and development. It is primarily needed by the pharmaceutical, nutraceutical, and life science industries for applications in drug discovery, functional food ingredients, and biochemical research.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel drug candidates targeting oxidative stress and inflammation.
• Nutraceutical & Dietary Supplements: Serves as a key ingredient in high-potency antioxidant formulations and health supplements.
• Biochemical Research: Employed as a standard or reference compound in studies of flavonoid metabolism, enzyme inhibition, and cellular signaling pathways.
• Cosmeceuticals: Incorporated into advanced skincare products for its potential anti-aging and protective effects against environmental stressors.
• Functional Food & Beverage: Used to enhance the nutritional profile of products with scientifically-backed bioactive compounds.
• Analytical Standard: Provides a high-purity reference material for quality control and method development in analytical laboratories.

Basic Information

Product Name	3,3',4',5,7-Pentahydroxy-8-Methoxyflavone
CAS No.	27500-34-1
Molecular Formula	C₁₆H₁₂O₈
Molecular Weight	332.26 g/mol
Synonyms	8-Methoxyquercetin; 8-Methoxy-3,3',4',5,7-pentahydroxyflavone; Quercetin 8-methyl ether; 3,5,7,3',4'-Pentahydroxy-8-methoxyflavone; 8-O-Methylquercetin; NSC 407303; Flavone, 3,3',4',5,7-pentahydroxy-8-methoxy-
EINECS	Contact for details

Quality Control

Our 3,3',4',5,7-Pentahydroxy-8-Methoxyflavone is produced 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 high-grade standards suitable for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics 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). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere for long-term preservation. Keep the container tightly sealed in a dry environment to minimize exposure to moisture.

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.