C16H11N
217.26 g/mol
Industrial ChemicalWarning
5H-Benzo[b]carbazole
CAS243-28-7EC205-953-8
Category
Industrial Chemical
Compound Class
Heterocycle
Primary Use
possibly carcinogenic research compound
5H-Benzo[b]carbazole is a polycyclic aromatic compound containing a carbazole skeleton. It is classified by the International Agency for Research on Cancer (IARC) as possibly carcinogenic to humans, based on limited evidence in humans and sufficient evidence in experimental animals.
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
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 5H-Benzo[b]carbazole (CAS 243-28-7) is 2933.99.
HS code (international, 6-digit)
2933.99
EU CN code (8-digit)
2933 99 80
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
5H-benzo[b]carbazole
InChIKey
ROEOVWIEALGNLM-UHFFFAOYSA-N
SMILES
C1=CC=C2C=C3C(=CC2=C1)C4=CC=CC=C4N3
Synonyms (5)
- 2,3-Benzcarbazole
- 2,3-Benzocarbazole
- 5H-Benzo[b]carbazole
- 5H-benzo[b]carbazol
- Benzo(b)carbazole
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