imipenem
Drug ingredientThis chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.
Where It Comes From
4 FDA-registered drug labelers
ACS Dobfar S.p.A
Fresenius Kabi USA, LLC
Merck Sharp & Dohme Corp.
Merck Sharp & Dohme LLC
Why It Matters
Sectors
Health
Downstream Uses
Appears in 2 drug and cosmetic product listings (FDA).
- •Imipenem and Cilastatin
- •Primaxin IV
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
Imipenem and Cilastatin Injection
01/08/2026Chemical Identity
CAS64221-86-9
PubChem CID104838
DTXSIDDTXSID2023143
FormulaC12H17N3O4S
Mol. Weight299.35 g/mol
SMILESCC(C1C2CC(=C(N2C1=O)C(=O)O)SCCN=CN)O
Data Sources
1048382026-04-07
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/imipenem/cids/JSON
Archive: data/sources/pubchem_name/imipenem.json
CAS 64221-86-92026-04-25
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json
CAS 64221-86-92026-06-13
https://api.fda.gov/drug/shortages.json
Archive: data/sources/fda/shortages/shortages.json