C4H3BrS
163.04 g/mol
Pharmaceutical IntermediateDanger
2-BROMOTHIOPHENE
CAS1003-09-4EC213-699-4
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2-Bromothiophene is an organosulfur compound that appears as a colorless liquid. It is an isomer of bromothiophene and is primarily prepared through the partial bromination of thiophene.
API intermediatepharmaceutical manufacturing intermediate
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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Safety Reference
Danger
H226Flammable liquid and vapour
H300Fatal if swallowed
H301Toxic if swallowed
H310Fatal in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H330Fatal if inhaled
Customs Tariff Classification
The international HS code for 2-BROMOTHIOPHENE (CAS 1003-09-4) 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
2-bromothiophene
InChIKey
TUCRZHGAIRVWTI-UHFFFAOYSA-N
SMILES
C1=CSC(=C1)Br
Synonyms (9)
- 2-BROMOTHIOPHENE
- 2-Thienyl bromide
- 5-bromothiophene
- Bromothiophene
- TIMTEC-BB SBB003931
- Thienyl bromide
- Thiophene, 2-bromo-
- Thiophene, bromo-
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