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Certificate of Analysis

5-Chlorothiophene-2-carboxylic acid, 97%

Code: C 1141

(For eg. B 1615-0108)

C 1141 (OTTO) 5-Chlorothiophene-2-carboxylic acid, 97% Cas 24065-33-6 - used in the synthesis of thieno[2,3-b][1,4]thiapezine-5-ones