Hydrochlorothiazide

Product name: Hydrochlorothiazide

Synonym name:

6-chloro-1,1-dioxo-3,4-dihydro-2H-1,2,4-benzothiadiazine-7-sulfonamide
 

CAS No.58-93-5
 

Appearance:White crystalline powder 

Loss on drying            ≤0.5%
Residue on ignition  ≤0.1%
Chloride                      ≤0.035%
Selenium                   ≤0.003%
Heavy metals            ≤0.001%
Chromatographic purity
   benzothiaciazine related compound A     ≤1.0%
   hydrochlorothiazide dimer                         ≤0.5%
   chlororhiazide                                              ≤0.5%
   single unknown impurity                           ≤0.1%
   total unknown impurities                           ≤0.5%
   total other impurities excluding benzothiadiazine related compound A     ≤0.9%
   total impurities                                             ≤1.5%
Residual formaldehyde                                ≤500ppm
Organic volatile impurities  meets the requirements
Assay                                                                ≥ 98.0%