Cefuroxime Axetil

CAS number: 64544-07-6

Molecular formula: C20H22N4O10S

molecular weight: 510.4745

Chemical structure:

Name of product
Cefuroxime Axetil
Shelf life
2 years
TESTS
SPECIFICATIONS
RESULTS
CHARACTERSA white to almost white powderAn almost white powde
IdentificationIR, infrared absorption spectrogram of the test solution is similar to that of the reference solutionConforms
CrystallinityDon’t show birefringence or exhibit extinction positionsConforms
Water1.5%0.37%
Diastereoisomer ratioThe ratio of cefuroxime axetil diastereoisomer A to the sum of the cefuroxime axetil diastereoisomers A and B is: 0.48 0.550.52
Assay

745875u g/mg (c16h16n4o8s)

(calculated on the anhydrous basis)


812 u g/mg
Conclusion
The results conform with USP.