Epigallocatechin Gallate (CAS 989-51-5) Sigma-Aldrich

Epigallocatechin Gallate molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 6 grades and pack sizes of Epigallocatechin Gallate (CAS 989-51-5). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	989-51-5
Molecular formula	C22H18O11
Molecular weight	458.38 g/mol
IUPAC name	[(2R,3R)-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate
Synonyms	EGCG · Tea catechin · (-)-Epigallocatechin-3-o-gallate · Epigallocatechin-3-gallate · Teavigo · (-)-Epigallocatechol gallate

Safety & Hazards (GHS) Warning

Irritant

Environmental hazard

H302 Harmful if swallowed
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H411 Toxic to aquatic life with long lasting effects

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	(-)-EPIGALLOCATECHIN GALLATE	93894-10MG E4268-100MG	Request Quote
Sigma	(-)-EPIGALLOCATECHIN GALLATE, >=95%	E4143-50MG	Request Quote
Sigma	(-)-EPIGALLOCATECHIN-3-O-GALLATE, UNITED	1236700-20MG	Request Quote
Sigma	EPIGALLOCATECHIN GALLATE	03970590-10MG PHR1333-1G	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.