Category:
Other Specialized Reagents
CAS NO:
24065-33-6
Standard:
USP,
5-Chlorothiophene-2-carboxylic acid (CAS: 106897-49-4) is a key heterocyclic intermediate with formula C5H3ClO2S. It is synthesized via chlorination of thiophene-2-carboxylic acid or direct carboxylation of 2-chlorothiophene, serving as a vital building block in pharmaceutical and agrochemical synthesis.
Store in a cool, dry place under inert atmosphere. Handle with PPE to avoid skin contact; not approved for direct clinical use due to toxicity risks.