171596-29-5 Tadalafil (6R,12aR)-6-(1,3-benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
ITEMS | SPECIFICATION | TESTRESULTS |
Appearance | Off-white or white powder | Conforms |
Identification | HPLC,NMR;LC-MS | Conforms |
Related substances | Individual impurity≤0.5% | 0.09% |
Total impurities≤1.0% | 0.20% | |
Loss on drying | ≤0.5% | 0.3% |
Residue on ignition | ≤0.1% | 0.04% |
Heavy metals | ≤10ppm | Conforms |
Assay | ≥98.0 % | 99.1% |
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