Description

2α-(3,4,5-Trihydroxyphenyl)-3,4-Dihydro-2H-1-Benzopyran-3β,7-Diol is a high-purity flavonoid compound of significant interest in advanced research and development. This compound is valued for its specific structural configuration, which underpins its biological activity and utility in specialized applications. It is primarily sought by professionals in the pharmaceutical, nutraceutical, and life science research sectors for use as a critical reference standard or active ingredient.

Application

• Pharmaceutical Research & Development: Serves as a key intermediate or reference standard in the synthesis and study of novel therapeutic agents.
• Nutraceutical Formulation: Used as an active component in the development of high-end dietary supplements targeting specific health benefits.
• Biochemical Research: Employed as a precise tool in enzymatic studies, receptor binding assays, and investigations into cellular signaling pathways.
• Analytical Chemistry: Functions as a certified reference material (CRM) for method development, validation, and quality control in analytical laboratories.
• Cosmeceutical Applications: Incorporated into advanced skincare formulations for its potential antioxidant properties.

Basic Information

Product Name	2α-(3,4,5-Trihydroxyphenyl)-3,4-Dihydro-2H-1-Benzopyran-3β,7-Diol
CAS No.	528-56-3
Molecular Formula	C₁₅H₁₄O₆
Molecular Weight	290.27 g/mol
Synonyms	(-)-Epicatechin; L-Epicatechin; Epicatechol; 2,3-cis-Epicatechin; Cyanidanol; Cianidanol; (+)-Catechin 3',4',5,7-tetrahydroxyflavan-3-ol; 2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
EINECS	208-437-0

Quality Control

Every batch of our 2α-(3,4,5-Trihydroxyphenyl)-3,4-Dihydro-2H-1-Benzopyran-3β,7-Diol is manufactured and tested under strict quality management systems. We provide comprehensive analytical documentation to ensure traceability and compliance with your project requirements. A detailed Certificate of Analysis (COA), including results for identity, purity (HPLC), and related substances, is supplied with each 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, long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended for optimal stability.

Specification

Item	Specification
Appearance	White to off-white 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	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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