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87239-81-4 Cefpodoxime proxetil Cefpodoxime
Product Name | Cefpodoxime Proxetil |
CAS number | 87239-81-4 |
Molecular formula | C21H27N5O9S2 |
Molecular weight | 557.6 |
Appearance | White crystal powder |
Melting point | 111-113°C |
Relative density | 1.58 g/cm3 |
Product Name |
Cefpodoxime proxetil |
||
Batch No. |
14121501 |
Mfg. date |
2014-12-15 |
Test Date |
2014-12-25 |
Exp. date |
2016-12-14 |
Tests |
Specifications |
Results |
|
Description |
White to yellowish powder, very hygroscopic. |
Off-white powder, very hygroscopic. |
|
Solubility |
Freetly soluble In water and methanol and dichloromethane |
Complies |
|
Identification |
(1)By IR, To match with working standard |
Complies |
|
(2)It gives reaction of sodium |
Complies |
||
Impurities A |
≤0.1% |
Not detected |
|
Related compounds |
Any impurity ≤0.1% |
<0.1% |
|
Total impurities ≤0.4% |
0.25% |
||
Residual Solvents |
Acetidin≤ 0.5% |
Not detected |
|
Dichloromethane≤ 0.06% |
Not detected |
||
Methanol≤ 0.3% |
Not detected |
||
Acetone ≤ 0.5% |
Not detected |
||
Acetonitrile≤0.041% |
Not detected |
||
Ethanol≤0.5% |
0.04% |
||
N, N-dimethylformamide≤0.088% |
Not detected |
||
Water |
≤ 5.0% |
1.38% |
|
Assay |
99.0%-101.0%(On anhydrous basis) |
99.98% |
|
Conclusion |
Conform to EP8.0 |
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