C5H3ClOS
146.6 g/mol
Pharmaceutical IntermediateDanger
3-Thiophenecarbonyl chloride
CAS41507-35-1EC255-420-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
3-Thiophenecarbonyl chloride is a chemical compound that features a thiophene ring substituted with a carbonyl chloride group. It is primarily used as a pharmaceutical intermediate in the manufacturing of active pharmaceutical ingredients.
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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Related Compounds
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(7alpha,17beta)-17-(Acetyloxy)-7-[9-[(4,4,5,5,5-pentafluoropentyl)thio]nonyl]estr-4-en-3-one
CAS415927-29-6
pharmaceutical intermediate
ReferenceSame Category
4-bromo-2-fluorobiphenyl
CAS41604-19-7
pharmaceutical intermediate
Safety Reference
Danger
H228Flammable solid
H314Causes severe skin burns and eye damage
Customs Tariff Classification
The international HS code for 3-Thiophenecarbonyl chloride (CAS 41507-35-1) 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
thiophene-3-carbonyl chloride
InChIKey
QTWBEVAYYDZLQL-UHFFFAOYSA-N
SMILES
C1=CSC=C1C(=O)Cl
Synonyms (7)
- 3-CHLOROCARBONYLTHIOPHENE
- 3-Thenoyl chloride
- 3-Thiophenecarbonyl chloride
- 3-thienylcarbonyl chloride
- thiophene-3-carbonyl chloride
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