This is a custom-made chemical.

Product name: 5-Chlorothiophene-2-sulfonyl Chloride

Synonyms: 5-Chloro-2-thiophenesulfonyl chloride
Molecular Formula: C₄H₂Cl₂O₂S₂
CAS No: 2766-74-7

Characters:
Yellowish to brown liquid.

Specifications:
Content: 95%min or 98%min

Applications:
Used as intermediate for medicine.