HomeSearch by AntimicrobialPiperacillin (Pipracil)
Antimicrobial Name: Piperacillin (Pipracil)
CAS Number: 61477-96-1
Type of Antibiotic: Penicillins
Origin: Semi-synthetic
Functional Category: Antibiotic
Molecular Weight: 517.55
Mechanism of Action: By binding to specific penicillin-binding proteins (PBPs) located inside the bacterial cell wall, Piperacillin inhibits the third and last stage of bacterial cell wall synthesis. Cell lysis is then mediated by bacterial cell wall autolytic enzymes such as autolysins; it is possible that Piperacillin interferes with an autolysin inhibitor.
Chemical Formula:



Piperacillin (Pipracil) is normally used together with a beta-lactamase inhibitor such as tazobactam. The combination has activity against many Gram-positive and Gram-negative pathogens and anaerobes, including Pseudomonas aeruginosa.