Description

3,5,7-Trihydroxy-8-Methoxyflavone is a specific methoxylated flavonoid derivative, a class of compounds renowned for their potent biological activities. This compound matters as a high-purity reference standard and active ingredient for research and development in life sciences. It is primarily needed by manufacturers and researchers in the pharmaceutical, nutraceutical, and cosmetic industries focused on developing antioxidant, anti-inflammatory, and photoprotective products.

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 for its potential antioxidant and cellular health-supporting properties.
• Cosmetic Actives: Formulated into anti-aging and skin-protective creams and serums for its ability to neutralize free radicals and protect against environmental stressors.
• Biochemical Research: Serves as a key intermediate or inhibitor in studying enzyme pathways, signal transduction, and flavonoid metabolism in vitro.
• Functional Food Additive: Potential use as a natural preservative or functional additive in health-focused food products.

Basic Information

Product Name	3,5,7-Trihydroxy-8-Methoxyflavone
CAS No.	5928-42-7
Molecular Formula	C₁₆H₁₂O₇
Molecular Weight	316.26 g/mol
Synonyms	8-Methoxy-3,5,7-trihydroxyflavone; 3,5,7-Trihydroxy-8-methoxy-2-phenyl-4H-chromen-4-one; 8-Methoxyapigenin; 5,7-Dihydroxy-8-methoxy-2-(4-hydroxyphenyl)-4H-chromen-4-one (Tautomer); Flavone, 3,5,7-trihydroxy-8-methoxy-; NSC 407303; 8-Methoxy-3,5,7-trihydroxy-2-phenyl-4H-1-benzopyran-4-one
EINECS	227-667-4

Quality Control

Our 3,5,7-Trihydroxy-8-Methoxyflavone 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 industrial 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 a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
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.