C4H3ClS
118.59 g/mol
Research ReagentDanger
3-Chlorothiophene
CAS17249-80-8EC605-636-8
Category
Research Reagent
Compound Class
Heterocycle
Primary Use
Research Compound
3-Chlorothiophene is a chemical compound used primarily as a research reagent in pharmaceutical synthesis. It features a thiophene ring substituted with a chlorine atom, contributing to its use in building complex molecules for drug development.
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
Danger
H226Flammable liquid and vapour
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H318Causes serious eye damage
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 3-Chlorothiophene (CAS 17249-80-8) 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
3-chlorothiophene
InChIKey
QUBJDMPBDURTJT-UHFFFAOYSA-N
SMILES
C1=CSC=C1Cl
Synonyms (3)
- 3-Chlorothiophene
- 3-Thienyl Chloride
- Thiophene, 3-chloro-
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