Description

(-)-Egcg-3'-o-Me CAS NO 298700-56-8 is a specific, methylated derivative of the prominent green tea catechin, (-)-Epigallocatechin gallate (EGCG). This structural modification enhances its metabolic stability and bioavailability, making it a highly valuable compound for advanced research and development. It is primarily sought after by the pharmaceutical, nutraceutical, and cosmeceutical industries for its potent biological activity and improved pharmacokinetic profile compared to its parent molecule.

Application

• Pharmaceutical Research: As a key reference standard and active pharmaceutical ingredient (API) intermediate for developing novel therapeutics targeting inflammation, metabolic disorders, and neurodegenerative diseases.
• Nutraceutical Formulations: Incorporated into high-end dietary supplements and functional foods due to its enhanced absorption and potent antioxidant properties.
• Cosmetic & Skincare Products: Used in anti-aging, skin-protectant, and UV-defense formulations for its superior stability and skin-penetrating capabilities.
• Biochemical & Life Science Research: Employed as a critical tool compound in studies of cell signaling pathways, enzyme inhibition, and molecular mechanisms of action.
• Standard for Analytical Testing: Serves as a certified reference material (CRM) for quality control and assay development in laboratories.

Basic Information

Product Name	(-)-Egcg-3'-o-Me
CAS No.	298700-56-8
Molecular Formula	C23H20O11
Molecular Weight	472.40 g/mol
Synonyms	(-)-Epigallocatechin 3'-O-methyl gallate; 3'-O-Methyl-(-)-epigallocatechin gallate; 3'-O-Methyl EGCG; EGCG 3'-O-methyl ether; 3'-Me-EGCG; Methylated EGCG; 3'-O-Methyl-epigallocatechin-3-gallate
EINECS	Contact for details

Quality Control

Our (-)-Egcg-3'-o-Me is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment, ensuring full traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C to prevent oxidation and ensure long-term stability. The container should be kept in a cool, dry, and well-ventilated area.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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