Hydrochlorothiazide EP Impurity A;3,4-Dehydro Hydrochlorothiazide ; Chlorothiazide

Hydrochlorothiazide EP Impurity A;3,4-Dehydro Hydrochlorothiazide ; Chlorothiazide

6-chloro-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide

Impurity reference standard used for related substances testing of Hydrochlorothiazide drug substance and drug product per pharmacopoeial limits.