Mezlocillin
| Clinical data | |
|---|---|
| AHFS/Drugs.com | Micromedex Detailed Consumer Information | 
| Pregnancy category | 
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| Routes of administration | Intravenous, intramuscular | 
| ATC code | |
| Pharmacokinetic data | |
| Protein binding | 16–59% | 
| Metabolism | Hepatic (20–30%) | 
| Elimination half-life | 1.3–4.4 hours | 
| Excretion | Renal (50%) and biliary | 
| Identifiers | |
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| CAS Number | |
| PubChem CID | |
| DrugBank | |
| ChemSpider | |
| UNII | |
| KEGG | |
| ChEBI | |
| ChEMBL | |
| CompTox Dashboard (EPA) | |
| ECHA InfoCard | 100.052.013 | 
| Chemical and physical data | |
| Formula | C21H25N5O8S2 | 
| Molar mass | 539.58 g·mol−1 | 
| 3D model (JSmol) | |
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Mezlocillin is a broad-spectrum penicillin antibiotic. It is active against both Gram-negative and some Gram-positive bacteria. Unlike most other extended spectrum penicillins, it is excreted by the liver, therefore it is useful for biliary tract infections, such as ascending cholangitis.