83104-87-4

Basic information

• Product Name: (-)-EGCG-3''-O-ME
• Synonyms: (-)-EPIGALLOCATECHIN 3-(3''-O-METHYL)GALLATE;(-)-EGCG-3''-O-ME;(-)-Epigallocatechin 3-(3''-O-Methly) gallate;3,4-Dihydroxy-5-methoxybenzoic acid (2R,3R)-3,4-dihydro-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-2H-1-benzopyran-3-yl ester;(-)-Epigallocatechin 3-(3''-O-Methyl)gallate (natural) 〔(-)-EGCg-3''-O-Me〕;(-)-Epigallocatechin 3-(3''-O-Methyl)gallate 〔(-)-EGCg-3''-O-Me〕
• CAS NO: 83104-87-4
• Molecular Formula: C₂₃H₂₀O₁₁
• Molecular Weight: 472.4
• EINECS: 2017-001-1
• Mol File: 83104-87-4.mol
• Article Data: 5

Chemical Properties

• Melting Point: 221-223℃(DEC.)
• Boiling Point: 856.1±65.0 °C(Predicted)
• Appearance: /
• Density: 1.77
• PKA: 7.92±0.25(Predicted)
• CAS DataBase Reference: (-)-EGCG-3''-O-ME(CAS DataBase Reference)
• NIST Chemistry Reference: (-)-EGCG-3''-O-ME(83104-87-4)
• EPA Substance Registry System: (-)-EGCG-3''-O-ME(83104-87-4)

Safety Data

• Hazardous Substances Data: 83104-87-4(Hazardous Substances Data)

Usage

Uses

(-)-EGCG-3''''-O-Me can be used to prepare anti-coronavirus drugs. This compound can also be used to determine the mechanisms of ameliorating effect of green tea polyphenols on diabetic neuropathy based on diacylglycerol kinase a.

Upstream product

• 2596-50-1 (-)-epigallocathechin gallate 
• 74-88-4 methyl iodide 
• 14031-35-7 S-Adenosyl-L-methionine 
• 1186527-12-7 5-(2R,3R)-5,7-bis(2-nitrophenylsulfonyloxy)-2-(3,4,5-tris(2-nitrophenylsulfonyloxy)phenyl)chroman-3-yl 3-methoxy-4,5-bis(2-nitrophenylsulfonyloxy)benzoate 
• 70845-74-8 3,4-bis(benzyloxy)-5-methoxybenzoyl chloride 
• 70845-73-7 3,4-bis(benzyloxy)-5-methoxybenzoic acid 
• 901125-31-3 (-)-(2R,3R)-cis-5,7-bis(benzyloxy)-2-[3',4',5'-tris(benzyloxy)-phenyl]chroman-3-yl 3'',4''-dibenzyloxy-5''-methoxybenzoate 

Downstream Products

• 951755-38-7 theaflavin 3-O-(3-O-methyl)gallate 
• 951775-29-4 theaflavin 3-O-(3-O-methyl)gallate-3'-gallate 

Relevant articles and documents

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PROBLEM TO BE SOLVED: To provide a water solubility enhancer, a water solubility enhancement method, and an aqueous solution preparation method.SOLUTION: 4"Me-EGCg, 4"Me-GCg, 4"Et-EGCg, or 4"Et-GCg is used as a water solubility enhancer for enhancing solu

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The regiospecific and enantioselective syntheses of various methylated regioisomers of epicatechin gallate (EGC) and epigallocatechin gallate (EGCG) have been achieved.