C4H3ClS
118.59 g/mol
Pharmaceutical IntermediateDanger
2-CHLOROTHIOPHENE
CAS96-43-5EC202-505-3
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
2-Chlorothiophene is a halogenated heteroaromatic compound used primarily as a pharmaceutical intermediate. Its structure features a chlorine atom attached to a thiophene ring, giving it distinct reactivity for organic synthesis.
Pharmaceutical 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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CAS 96-43-5
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Safety Reference
Danger
H225Highly flammable liquid and vapour
H226Flammable liquid and vapour
H301Toxic if swallowed
H311Toxic in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H330Fatal if inhaled
H335May cause respiratory irritation
Identifiers
IUPAC Name
2-chlorothiophene
InChIKey
GSFNQBFZFXUTBN-UHFFFAOYSA-N
SMILES
C1=CSC(=C1)Cl
Synonyms (9)
- 2-CHLOROTHIOPHENE
- 2-Thienyl chloride
- 5-chlorothiophene
- Thienyl chloride
- Thiophene, 2-chloro-
- chlorothiophene