Formulation: A solid
Formal Name: (2S,5R,6R)-3,3-dimethyl-7-oxo-6-(2-(phenyl-d5)acetamido)-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate, monopotassium salt
Purity: ≥99% deuterated forms (d1-d5)
Formula Markup: C16H12D5N2O4S • K
Formula Weight: 377,5
Shelf life (days): 1460
Notes: Penicillin G-d5 is intended for use as an internal standard for the quantification of penicillin G (Item No. 21615) by GC- or LC-MS. Penicillin G is a β-lactam antibiotic that is effective mainly for Gram-positive bacteria.{37156} 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.{37157,37155} Formulations containing penicillin G have been used for the treatment of bacterial infections and in livestock production.
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