|
|
Cefpirome
CA：[84957-29-9]
5H-Cyclopenta[b]pyridinium,
1-[[7-[[(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4,2,0]oct-2-en-3-yl]methyl]-6,7-dihydro-,
[6R[6α,7β(Z)], sulfate(1:1)
[Appearance]:White or almost white
crystalline powder；
Cefpirome structural formula：
| Items
of analysis |
Specification |
Results |
|
Characters |
A
white to off-white crystalline powder |
conforms |
| Identification |
Positive+ |
+ |
| Turbidity
of solution(12%) |
<=
grade 1 |
1 |
| Color
of solution(12%) |
<=6 |
<4 |
| Absorbance
(420nm, 12%) |
|
0.078 |
| Water
(KF) |
<1.0% |
0.67% |
| Assay
(HPLC), |
as
acid form >80% |
81.01 |
| Purity
(HPLC) |
>=99.0% |
99.49 |
| -Max
unknown |
<=0.5% |
0.39 |
| Total
unknown |
<1.0% |
0.47 |
| MPCA |
<=0.2 |
0.09 |
| Polymer |
<=0.2% |
0.11 |
| Acetone |
<0.3% |
0.15 |
|
