Ethyl 2-aminothiazole-4-carboxylate

pharmaceutical intermediate

4-(methylsulfonyl)benzaldehyde

pharmaceutical intermediate

N-(5-chloro-1,3,4-thiadiazol-2-yl)acetamide

Intermediate for acetazolamide impurity synthesis

5-acetamido-1,3,4-thiadiazole-2-sulfonic acid

acetazolamide impurity reference standard

5-chloro-1,3,4-thiadiazol-2-amine

Pharmaceutical intermediate for acetazolamide impurities

5-tert-Butyl-N-methyl-1,3,4-thiadiazol-2-amine

pharmaceutical impurity reference standard