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Home/Compounds/API/Clazosentan
C25H23N9O6S
577.6 g/mol
API

Clazosentan

CAS180384-56-9
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material

Clazosentan is a chemical compound that functions as an endothelin A receptor antagonist, primarily investigated for its potential role in managing cerebral vasospasm. It is supplied as a pharmaceutical raw material for research and manufacturing purposes.

pharmaceutical raw material for endothelin A receptor antagonist researchcompound for cerebral vasospasm 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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Customs Tariff Classification

The international HS code for Clazosentan (CAS 180384-56-9) is 2935.90.

HS code (international, 6-digit)

2935.90

EU CN code (8-digit)

2935 90 90

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

N-[6-(2-hydroxyethoxy)-5-(2-methoxyphenoxy)-2-[2-(2H-tetrazol-5-yl)-4-pyridinyl]pyrimidin-4-yl]-5-methylpyridine-2-sulfonamide

InChIKey

LFWCJABOXHSRGC-UHFFFAOYSA-N

SMILES

CC1=CN=C(C=C1)S(=O)(=O)NC2=C(C(=NC(=N2)C3=CC(=NC=C3)C4=NNN=N4)OCCO)OC5=CC=CC=C5OC

Synonyms (13)
  • Clazosentan (USAN/INN)
  • Clazosentan
  • Pivlaz
  • Ro 61-1790
  • clazosentanum

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