Torasemide/Torsemide
Chemical name:3-Pyridinesulfonamide, N-[[(1-methylethyl)amino]carbonyl]-4-[(3-methylphenyl)amino]-.1-Isopropyl-3-[(4-m-toluidino-3-pyridyl)sulfonyl]urea
Molecular formular:C16H20N4O3S
Molecular weight:348.43
CAS:56211-40-6
Molecular structure: 

Quality standard:According to USP28、EP5.2 item USP28 standard  Enterprise standard EP5.2 standard 
Property White or off white powder or crystal White or off white powder or crystal White or off white powder
Relation substance ImpurityA<0.5% ImpurityB<0.3% ImpurityC<0.2% Other<0.1% Impurity<1.0% Impurity<1.0% Single peak<0.5% ImpurityA、C、D<0.1% ImpurityB<0.5% Other<0.1% Impurity<0.6%
Loss in dry <0.8% <1.0% <0.5%
Remain in burn <0.1% <0.1% -
Heavy metal <10ppm <10ppm <10ppm
Sulfuric acid ash - - <0.1%
Assay 98.0～102.0% >98.5% 99.0～101.0%

Package:1Kg/bag,5Kg/bag,25Kg/drum