C₁₆H₁₇KN₂O₄S
M.W.: 372.48
Assay (Dried Substance): 99.5%
pH: 5.5~7.5 

Penicillin G was isolated from Penicillium notatum. The bactericidal effect of this β-lactam antibiotic is based on the irreversible inhibition of transpeptidase, interfering with the biosynthesis of the cell wall in bacteria.

Solubility: 100mg/ml in H2O.
Solutions should be filter sterilized and stored at 2-8°C for 1 week or at -20°C for more lengthy periods.
Working conc.: 50-100ug/mL