Product introduction:
Package:1Kg/bag,5Kg/bag,25Kg/drum
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% |