Cefalonium

Cefalonium is a cephalosporin antibiotic. It is active against pooled isolates of S. aureus from the milk of lactating dairy cows with subclinical mastitis (MIC90 = 2 µg/ml). Formulations containing cefalonium have previously been used in dry cow therapy in the treatment and prevention of mastitis.Formal Name: 4-(aminocarbonyl)-1-[[(6R,7R)-2-carboxy-8-oxo-7-[[2-(2-thienyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-pyridinium, inner salt. CAS Number: 5575-21-3. Synonyms: Cephalonium. Molecular Formula: C20H18N4O5S2. Formula Weight: 458.5. Purity: >98%. Formulation: (Request formulation change), A solid. Solubility: DMSO: 25 mg/ml, DMSO:PBS (pH 7.2) (1:10): 0.09 mg/ml. lambdamax: 266 nm. SMILES: [H][C@]12SCC(C[N+]3=CC=C(C(N)=O)C=C3)=C(C([O-])=O)N1C([C@H]2NC(CC4=CC=CS4)=O)=O. InChi Code: InChI=1S/C20H18N4O5S2/c21-17(26)11-3-5-23(6-4-11)9-12-10-31-19-15(18(27)24(19)16(12)20(28)29)22-14(25)8-13-2-1-7-30-13/h1-7,15,19H,8-10H2,(H3-,21,22,25,26,28,29)/t15-,19-/m1/s1. InChi Key: FMZXNVLFJHCSAF-DNVCBOLYSA-N.