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6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one 6-Hydroxy-7-Methoxyquinazoline-4-One 179688-52-9
1. Characteristics
Item | Specification |
CAS | 179688-52-9 |
Appearance | White powder |
It can be used as a pharmaceutical intermediate to synthesize other compounds with certain activity, such as the key intermediate for the synthesis of Gefitinib.
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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