Description

4H-1-Benzopyran-4-One,2-[3,4-Bis(2-Hydroxyethoxy)Phenyl]-3,5-Dihydroxy-7-(2-Hydroxyethoxy)- is a high-purity synthetic flavonoid derivative, valued for its potent antioxidant and UV-absorbing properties. This compound is engineered to deliver enhanced stability and bioavailability for advanced formulation needs. It serves as a critical active ingredient and intermediate for manufacturers in the pharmaceutical, nutraceutical, and high-performance cosmetic industries.

Application

• Pharmaceutical Intermediates: Key building block for synthesizing advanced drug candidates targeting oxidative stress and inflammation.
• Cosmetic & Skincare Actives: Primary ingredient in anti-aging serums, sunscreens, and creams for its strong free radical scavenging and photoprotective effects.
• Nutraceutical Formulations: Used in dietary supplements and functional foods designed to support cellular health and combat oxidative damage.
• Biochemical Research: Standard and reagent for studying flavonoid metabolism, antioxidant mechanisms, and related biological pathways.
• Advanced Material Science: Potential monomer or additive for creating polymers with inherent UV-stabilizing characteristics.

Basic Information

Product Name	4H-1-Benzopyran-4-One,2-[3,4-Bis(2-Hydroxyethoxy)Phenyl]-3,5-Dihydroxy-7-(2-Hydroxyethoxy)-
CAS No.	23077-88-5
Molecular Formula	C21H22O10
Molecular Weight	434.39 g/mol
Synonyms	2-[3,4-Bis(2-hydroxyethoxy)phenyl]-3,5,7-trihydroxy-4H-chromen-4-one; 3,5,7-Trihydroxy-2-[3,4-bis(2-hydroxyethoxy)phenyl]-4H-chromen-4-one; 7-(2-Hydroxyethoxy)-2-[3,4-bis(2-hydroxyethoxy)phenyl]-3,5-dihydroxy-4H-chromen-4-one; Hydroxyethylated Quercetin; Quercetin bis(2-hydroxyethyl) ether derivative; Soluble Quercetin Derivative; Light-stable Flavonoid
EINECS	Contact for details

Quality Control

Our 4H-1-Benzopyran-4-One,2-[3,4-Bis(2-Hydroxyethoxy)Phenyl]-3,5-Dihydroxy-7-(2-Hydroxyethoxy)- is manufactured under strict quality management systems. We offer grades suitable for pharmaceutical, cosmetic, and research applications, with purity levels up to 98% (HPLC). Every batch is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles to ensure consistency and traceability.

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 hygroscopic (moisture-sensitive); ensure the container is kept sealed in a low-humidity environment to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% - 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 3.0%

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