Description

(-)-Epigallocatechin CAS NO 970-74-1 is a potent polyphenolic catechin, a key bioactive constituent primarily found in green tea. This compound is highly valued for its significant antioxidant and potential therapeutic properties, driving demand in advanced research and product development. It serves as a critical raw material for the nutraceutical, pharmaceutical, and cosmetic industries, where purity and bioactivity are paramount.

Application

• Nutraceutical Formulations: A primary ingredient in high-potency dietary supplements and functional foods targeting oxidative stress and metabolic health.
• Pharmaceutical Research: Used as a reference standard and active pharmaceutical ingredient (API) intermediate in preclinical and clinical studies for various health conditions.
• Cosmetic & Skincare Products: Incorporated into anti-aging serums, creams, and lotions for its antioxidant and skin-protective benefits.
• Biochemical Research: Essential for in-vitro and in-vivo studies investigating mechanisms of action related to cell signaling, inflammation, and neuroprotection.
• Functional Beverages: Used to fortify teas and health drinks to enhance their bioactive profile.
• Standard for Quality Control: Serves as a certified reference material (CRM) for the assay and quality control of tea extracts and related botanical products.

Basic Information

Product Name	(-)-Epigallocatechin
CAS No.	970-74-1
Molecular Formula	C15H14O7
Molecular Weight	306.27 g/mol
Synonyms	(-)-Epigallocatechin; EGC; L-Epigallocatechin; (2R,3R)-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol; 3,3',4',5,5',7-Hexahydroxyflavan; Epigallocatechin; Tea Catechin
EINECS	213-555-0

Quality Control

Our (-)-Epigallocatechin is produced and tested under strict quality management systems. Each batch is analyzed to ensure high purity and consistency, with specifications suitable for research and commercial applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C or as specified on the label. This product is hygroscopic (moisture-sensitive) and light-sensitive (store away from light); prolonged exposure to air, moisture, or light should be avoided to maintain stability and potency.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference standard
Identification (HPLC)	Retention time matches reference
Assay (HPLC)	≥95.0%
Water Content (KF)	≤5.0%
Residue on Ignition	≤0.5%
Heavy Metals	≤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.