C14H11NO5
273.24 g/mol
APIWarning
Tolcapone
CAS134308-13-7
Category
API
Compound Class
Aromatic
Primary Use
Pharmaceutical Raw Material
Tolcapone is a pharmaceutical compound used as a selective and reversible inhibitor of catechol-O-methyltransferase (COMT). It is primarily employed in research and manufacturing related to Parkinson's disease, though its use is limited due to significant liver toxicity concerns.
pharmaceutical raw material for COMT inhibitor researchresearch compound in Parkinson's disease 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
Safety Reference
Warning
H400Very toxic to aquatic life
Customs Tariff Classification
The international HS code for Tolcapone (CAS 134308-13-7) is 2914.79.
HS code (international, 6-digit)
2914.79
EU CN code (8-digit)
2914 79 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
(3,4-dihydroxy-5-nitrophenyl)-(4-methylphenyl)methanone
InChIKey
MIQPIUSUKVNLNT-UHFFFAOYSA-N
SMILES
CC1=CC=C(C=C1)C(=O)C2=CC(=C(C(=C2)O)O)[N+](=O)[O-]
Synonyms (25)
- TCW
- Tolcapone (JAN/USP/INN)
- Tolcapone, United States Pharmacopeia (USP)
- 3s68
- Ro 40-7592
- TOLCAPONE [MART.]
- Talcapone
- Tasmar
- Tasmar (TN)
- Tolcapona
- Tolcapone
- Tolcapone (Standard)
- Tolcapone - Bio-X trade mark
- Tolcapone, >=98% (HPLC)
- Tolcaponum
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