Description

cis-(±)-2-(3,4-Dihydroxyphenyl)-3,4-Dihydro-2H-1-Benzopyran-3,5,7-Triol is a high-purity flavonoid compound, also known as (+)-Catechin, with significant commercial and research value. This compound is essential for its potent antioxidant properties and serves as a key reference standard and active ingredient. It is primarily needed by manufacturers and researchers in the pharmaceutical, nutraceutical, and cosmetic industries for product development and quality control.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for the identification and quantification of catechin in drug formulations and herbal extracts via HPLC and other analytical methods.
• Nutraceutical & Dietary Supplement Formulation: Incorporated as an active antioxidant ingredient in capsules, tablets, and functional food products aimed at promoting cardiovascular and cellular health.
• Cosmetic & Skincare Active: Utilized in anti-aging creams, serums, and lotions for its ability to neutralize free radicals and protect skin from oxidative stress and UV-induced damage.
• Biochemical & Life Science Research: Serves as a critical reagent in studies investigating flavonoid metabolism, bioavailability, and mechanisms of action in various disease models.
• Beverage & Food Science: Applied in research to analyze and standardize catechin content in teas (especially green tea), wines, chocolates, and other polyphenol-rich consumables.
• Natural Product Isolation & Synthesis: Acts as a starting material or intermediate for the semi-synthesis of related flavonoid derivatives and complex natural products.

Basic Information

Product Name	cis-(±)-2-(3,4-Dihydroxyphenyl)-3,4-Dihydro-2H-1-Benzopyran-3,5,7-Triol
CAS No.	17334-50-8
Molecular Formula	C15H14O6
Molecular Weight	290.27 g/mol
Synonyms	(+)-Catechin; Cianidanol; Catechinic Acid; Catechuic Acid; (+)-Cyanidanol-3; D-Catechin; Catechin (major component of catechu); 3,3',4',5,7-Flavanpentol
EINECS	241-357-2

Quality Control

Our cis-(±)-2-(3,4-Dihydroxyphenyl)-3,4-Dihydro-2H-1-Benzopyran-3,5,7-Triol is produced and tested under strict quality management systems. We offer material suitable for research and commercial use, with typical purity grades exceeding 95% (HPLC). Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. Specifications can be aligned with USP/Pharmaceutical or other relevant standards upon request to meet specific project requirements.

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 hygroscopic (moisture-sensitive); ensure the container is sealed after each use to minimize exposure to atmospheric humidity. For long-term storage, consider desiccants or inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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