China (Mainland)
Cefixime Crude CAS NO.79350-37-1
- Min.Order: 0 Metric Ton
- Payment Terms: L/C
- Product Details
Keywords
- Cefixime
Quick Details
- ProName: Cefixime Crude
- CasNo: 79350-37-1
- Molecular Formula: C16H15N5O7S2?3H2O
- Appearance: White to pale yellow crystalline powde...
- Application: Third generation cephalosporins
- ProductionCapacity: Metric Ton/Day
- Purity: ≥99.0%
- Storage: Store in cool and dry place, protected...
- LimitNum: 0 Metric Ton
- Moisture Content: between 9.0%-12%
- Impurity: Individual impurity not more than 0.5%...
Superiority
|
Test item |
Requirement of standard |
|
Appearance |
White to pale yellow crystalline powder |
|
Specific rotation |
Specific rotation should be -75°~-88° |
|
Identification |
The main peak of retention time of test sample solution should be consistent with the main peak retention time of the reference substance solution |
|
|
Infrared absorption spectrum should be consistent with the reference substance of the map |
|
Acidity |
pH value should be between 2.6-4.1 |
|
Relevant substance |
Individual impurity not more than 0.5% Total impurities not more than 3.0% |
|
Methyl alcohol |
Not over 0.3% |
|
Ethanol |
Not over 0.5% |
|
Propyl alcohol |
Not over 0.5% |
|
Ethyl acetate |
Not over 0.5% |
|
Tetrahydrofuran |
Not over 0.072% |
|
Moisture |
Should be between 9.0%-12% |
|
Ignition Residue |
Not over 0.2% |
|
Heavy metal |
Not over 0.02‰ |
|
Assay determination |
Calculate as anhydride, the cefixime content（ C16H15N5O7S2）should not be less than 95% |