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Home/Compounds/Research Reagent/(-)-catechin gallate
C22H18O10
442.4 g/mol
Research ReagentWarning

(-)-Catechin gallate

CAS130405-40-2EC621-447-3
Category
Research Reagent
Compound Class
Natural Product
Primary Use
Research Compound

(-)-Catechin gallate is a polyphenolic compound that is the gallate ester resulting from the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-catechin. It naturally occurs in plants such as Camellia sinensis and Rheum palmatum, and functions as a metabolite.

certified reference standard for analytical testingresearch reagent for phytochemical studies

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

StrongStructure SimilarSimilarity 0.85

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ReferenceSame Category

GLYCOHYODEOXYCHOLIC ACID

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Safety Reference

Harmful
Harmful
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Customs Tariff Classification

The international HS code for (-)-Catechin gallate (CAS 130405-40-2) is 2932.99.

HS code (international, 6-digit)

2932.99

EU CN code (8-digit)

2932 99 00

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

[(2S,3R)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate

InChIKey

LSHVYAFMTMFKBA-CTNGQTDRSA-N

SMILES

C1[C@H]([C@@H](OC2=CC(=CC(=C21)O)O)C3=CC(=C(C=C3)O)O)OC(=O)C4=CC(=C(C(=C4)O)O)O

Synonyms (18)
  • (-)-CG
  • (-)-Catechin 3-gallate
  • (-)-Catechin gallate
  • (-)-Catechin gallate(CG)
  • (-)-catechin 3-o-gallate
  • ent-Catechin 3-O-gallate

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