Penicillin G (potassium salt)

Penicillin G is a beta-lactam antibiotic that is effective mainly for Gram-positive bacteria. It has MIC90 values of 0.03, 1, and 4 µg/ml for penicillin-susceptible, -intermediate, and -resistant strains of S. pneumoniae, respectively, and 16-128 µg/ml for various Bacteroides isolates in a broth dilution assay., Formulations containing penicillin G have been used for the treatment of bacterial infections and in livestock production.Formal Name: (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, monopotassium salt. CAS Number: 113-98-4. Synonyms: Benzylpenicillin, NSC 131815. Molecular Formula: C16H17N2O4S . K. Formula Weight: 372.5. Purity: >98%. Formulation: (Request formulation change), A crystalline solid. Solubility: PBS (pH 7.2): 10 mg/ml. SMILES: O=C(N[C@@H]1C(N2[C@]1([H])SC(C)(C)[C@@H]2C([O-])=O)=O)CC3=CC=CC=C3.[K+]. InChi Code: InChI=1S/C16H18N2O4S.K/c1-16(2)12(15(21)22)18-13(20)11(14(18)23-16)17-10(19)8-9-6-4-3-5-7-9,/h3-7,11-12,14H,8H2,1-2H3,(H,17,19)(H,21,22),/q,+1/p-1/t11-,12+,14-,/m1./s1. InChi Key: IYNDLOXRXUOGIU-LQDWTQKMSA-M.