Desacetyl Cefapirin (sodium salt)

Desacetyl cefapirin is an active metabolite of the cephalosporin antibiotic cefapirin (Cay-17406). Desacetyl cefapirin is active against E. coli, K. pneumoniae, P. mirabilis, and S. aureus with MIC values of 120, 24, 34, and 0.42 µg/ml, respectively.Formal Name: (6R-trans)-3-(hydroxymethyl)-8-oxo-7-[[(4-pyridinylthio)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, monosodium salt. CAS Number: 104557-24-6. Molecular Formula: C15H14N3O5S2 . Na. Formula Weight: 403.4. Purity: >95%. Formulation: (Request formulation change), A crystalline solid. Solubility: DMSO: soluble, Methanol: slightly soluble, Water: slightly soluble. lambdamax: 267 nm. SMILES: O=C1[C@@H](NC(CSC2=CC=NC=C2)=O)[C@]3([H])N1C(C([O-])=O)=C(CO)CS3.[Na+]. InChi Code: InChI=1S/C15H15N3O5S2.Na/c19-5-8-6-25-14-11(13(21)18(14)12(8)15(22)23)17-10(20)7-24-9-1-3-16-4-2-9,/h1-4,11,14,19H,5-7H2,(H,17,20)(H,22,23),/q,+1/p-1/t11-,14-,/m1./s1. InChi Key: XYXWZYPKYXORJY-GBWFEORMSA-M.