Ceftiofur hydrochloride CAS Number: 103980-44-5 MF: C19H17N5O7S3 · HCl Melting point:> 190 °C Storage conditions : -20 °C Freezer Purity: �94% Molecular Weight: 560.02 Molecular Formula: C19H17N5O7S3?HCl Physical State: Solid Application: A cephalosporin antibiotic resistant to beta-lactamase