Compound Q&A
How is 4,5-Dichloro-2-thiophenesulfonamide (CAS: 256353-34-1) typically synthesized?
Answer
4,5-Dichloro-2-thiophenesulfonamide (CAS: 256353-34-1) is commonly synthesized via the sulfonation of 2-chlorothiophene followed by chlorination. The process involves using sulfur trioxide or chlorosulfonic acid as the sulfonating agent and chlorine gas for chlorination. The reaction is typically carried out in the presence of a suitable catalyst to achieve high selectivity and yield.
About
CAS No
256353-34-1
English Name
4,5-Dichloro-2-thiophenesulfonamide
Molecular Formula
C4H3Cl2NO2S2
Molecular Weight
232.11 g/mol
SMILES
C1=C(SC(=C1Cl)Cl)S(=O)(=O)N
InChIKey
JKBNSTFOQDGQLS-UHFFFAOYSA-N
Last Updated: 2025-10-22 12:37
