Category:
Chiral Intermediates
CAS NO:
24065-33-6
Standard:
In-house Standards,
No
5-chloro-2-thiophenecarboxylic acid (CAS 1006-89-7) is a key thiophene building block with formula C5H3ClO2S. It is synthesized via chlorination of thiophene followed by carboxylation or directed lithiation-carbonylation processes.
Store in sealed containers under inert atmosphere at controlled temperatures below 25°C. Avoid contact with skin and eyes; use appropriate PPE including gloves and goggles due to corrosive properties.