piperacillin
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
6 FDA-registered drug labelers
ACS Dobfar SpA
Aurobindo Pharma Limited
Inner Mongolia Changsheng Pharmaceutical Co., Ltd.
Shandong Anshun Pharmaceutical Co., Ltd.
Shandong Ruiying Pioneer Pharmaceutical Co., Ltd.
Yuhan Chemical Inc.
Why It Matters
Sectors
Health
Downstream UsesNo data available
FDA Shortage Status
Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."
No Shortage
Shortage History
Each row is a separate manufacturer's FDA shortage filing — not a timeline for the drug as a whole. Multiple "current" entries are normal: each manufacturer/NDC files independently. Status reflects the manufacturer's report; reason describes their supply situation (Available, Unavailable, or to be discontinued).
to be discontinued
Piperacillin and Tazobactam Injection
01/20/2026Chemical Identity
CAS61477-96-1
PubChem CID43672
DTXSIDDTXSID2023482
FormulaC23H27N5O7S
Mol. Weight517.6 g/mol
SMILESCCN1CCN(C(=O)C1=O)C(=O)NC(C2=CC=CC=C2)C(=O)NC3C4N(C3=O)C(C(S4)(C)C)C(=O)O
Data Sources
436722026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/piperacillin/cids/JSON
Archive: data/sources/pubchem_name/piperacillin.json
CAS 61477-96-12026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 61477-96-12026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json