CAS NO:98753-19-6 Cefpirome sulfate-Sterile Product Name Cefpirome sulfate English Name Cefpirome sulfate Chemical Name 1-[[(6R,7R)-7-[[(2Z)-(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-5H-cyclopenta[b]pyridinium sulfate; Cefpirome sulphate; 1-{[(6R,7R)-7-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl}-6,7-dihydro-5H-cyclopenta[b]pyridinium hydrogen sulfate CAS RN 98753-19-6 Molecular Formula C22H22N6O5S2.H2SO4 Molecular Weight 612.67 Quality Standard JP15/USP32 Property It is off-white or yellowish crystalline powder Content more than 800ug/mg pH Value 1.0-2.6 Moisture not more than 0.5% Residue on Ignition not more than 0.5% Heavy Metal not more than 20ppm Individual Impurity not more than 0.5% Total Impurity not more than 1.0% Specific Rotation-27