Ceftiofur sodium
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Items Specifications Results Characters Appearance White or almost white, fine crystalline powder conforms Solubility Very slightly soluble in water, freely soluble in methylene chloride, soluble methanol, sparingly soluble in ethanol(96%) conforms Identification A) IR Conforms to Amiodarone Hydrochloride CRS Conforms B) Chlorides It gives reactions of chlorides Conforms Appearance of solution clear, NMT GY5 Conforms Melting Range 159~163°C 159.0~160.0°C pH 3.2~3.8 3.63 Impurity H (by TLC) NMT 0.02% <0.02% Related Substance (by HPLC ) Impurity A NMT 0.20% 0.07% Impurity B NMT 0.20% 0.10% Impurity C NMT 0.20% conforms Impurity D NMT 0.20% 0.05% Impurity E NMT 0.20% 0.03% Impurity F NMT 0.20% conforms Impurity G NMT 0.20% 0.01% Unspecified impurities NMT 0.20% 0.02% Total impurities NMT 0.20% 0.34% Iodides NMT 150ppm <150ppm Heavy metals NMT 20ppm <20ppm Loss on drying NMT 0.5% 0.08% Sulphated ash NMT 0.1% 0.02% Assay 98.5%~101.0% 100.00% Residual Solvents Ethanol NMT5000ppm 782ppm Toluene NMT890ppm 94ppm Conclusion The results can conforms with the EP6
CAS NO:104010-37-9
EC NO:
Molecular Formula:C19H16N5NaO7S3
Molecular Weight:545.5444
Synonyms:;naxcel;u-64279e;ceftiofur sodium salt;Ceftiofur sodium;sodium 7-{[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-3-{[(furan-2-ylcarbonyl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;sodium (6R,7R)-7-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-3-{[(furan-2-ylcarbonyl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;
Molecular Structure:
CAS NO:104010-37-9
EC NO:
Molecular Formula:C19H16N5NaO7S3
Molecular Weight:545.5444
Synonyms:;naxcel;u-64279e;ceftiofur sodium salt;Ceftiofur sodium;sodium 7-{[(2E)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-3-{[(furan-2-ylcarbonyl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;sodium (6R,7R)-7-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-3-{[(furan-2-ylcarbonyl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate;
Molecular Structure:
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