C12H8S
184.26 g/mol
Pharmaceutical IntermediateDanger
Dibenzothiophene
CAS132-65-0EC205-072-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
Dibenzothiophene is a tricyclic compound consisting of a thiophene ring fused between two benzene rings. It is primarily recognized as a pharmaceutical intermediate and is also used in some topical dermatological products.
pharmaceutical intermediatecomponent in topical acne drug productsused in cosmetics
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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Referencesame scaffold
2-Bromodibenzothiophene
CAS22439-61-8
research compound
Referencesame scaffold
3-Dibenzothiophenamine
CAS25288-76-0
research compound
Referencesame scaffold
2-Dibenzothiophenamine
CAS7428-91-3
intermediate in chemical synthesis
Referencesame scaffold
3-Bromodibenzo[b,d]thiophene
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chemical intermediate for synthesis
Safety Reference
Danger
H302Harmful if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H331Toxic if inhaled
H332Harmful if inhaled
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H371May cause damage to organs
Customs Tariff Classification
The international HS code for Dibenzothiophene (CAS 132-65-0) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 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
dibenzothiophene
InChIKey
IYYZUPMFVPLQIF-UHFFFAOYSA-N
SMILES
C1=CC=C2C(=C1)C3=CC=CC=C3S2
Synonyms (20)
- Dibenzothiophene (USAN)
- 2,2'-Biphenylylene sulfide
- 9-Thiafluorene
- Dibenzo[b,d]thiophene
- Dibenzothiophene (Standard)
- Dibenzothiophene-Sulfur
- Dibenzthiophene
- Diphenylene sulfide
- [1,2'-diyl sulfide
- alpha-Thiafluorene
- benzo[b]benzo[b]thiophene
- dibenzothiophene
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