C15H14O6
290.27 g/mol
APIWarning
(-)-Catechin
CAS18829-70-4EC242-611-7
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
(-)-Catechin is the ()-enantiomer of catechin, a naturally occurring flavonoid compound. It serves as a metabolite and is the enantiomer of (+)-catechin.
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.
Sourcing (-)-Catechin?
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Related Compounds
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(±)-Voriconazole
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Referencestereoisomer of
(+)-Catechin hydrate
CAS225937-10-0
pharmaceutical raw material
Referencestereoisomer of
(+)-epicatechin
CAS35323-91-2
research compound
Referencestereoisomer of
(−)-epicatechin
CAS490-46-0
research compound
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for (-)-Catechin (CAS 18829-70-4) 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)-3,4-dihydro-2H-chromene-3,5,7-triol
InChIKey
PFTAWBLQPZVEMU-HIFRSBDPSA-N
SMILES
C1[C@H]([C@@H](OC2=CC(=CC(=C21)O)O)C3=CC(=C(C=C3)O)O)O
Synonyms (30)
- (+/-)-Catechin hydrate
- (-)-Catechin
- (-)-Catechin (Standard)
- (-)-Catechol
- (-)-cianidanol
- (2S,3R)-ENT-CATECHIN
- (2S,3R)-catechin
- CATECHIN, ALPHA
- Catechin l-form
- Ent-Catechin
- L-CATECHIN
- L-CATECHOL
- alpha-catechin
- catechin L-
Sourcing (-)-Catechin?
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