決奈達隆中間體141645-16-1
[英文名]2-Butyl-3-(4-hydroxybenzoyl)-5-nitrobenzofuran
[CAS]141645-16-1
[分子式]C19H17NO5
[分子量]339.34
項目 Items |
標(biāo)準(zhǔn)參數(shù) Specificati*** |
結(jié)果 Results |
外觀 Appearance |
White or slight grety powder |
Complies |
鑒別 Identification |
H-1 NMR spectrum |
Complies |
單個雜質(zhì)(HPLC) Individual impurity |
<0.5% |
0.25% |
總雜 Total impurity(HPLC) |
<2.0% |
0.95% |
熔點 Melting point |
126.0-132.0℃ |
129.8-130.7℃ |
干燥失重 Drying loss |
≤0.5% |
0.10% |
含量 Assay (HPLC) |
≥98.0% |
99.2% |
結(jié)果 Results |
The product conforms to the above specificati*** |