Piperacillin

Drug ingredient

CAS 61477-96-1

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 61477-96-1
US productionNot reported
Import value, 2024$78M
Top sourceItaly 33%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 294110 · basket

These shares come from HS customs code 294110, which covers 13 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IT 33%ItalyCN 31%ChinaBG 22%BulgariaES 8%SpainMX 3%Mexico
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 UsesNot recorded
FDA Shortage Status
No Shortage
Shortage History
  • to be discontinued

    Piperacillin and Tazobactam Injection

    Shortage listed since January 20, 2026

See all current drug shortages

Chemical 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

Brief citations

Piperacillin (CAS 61477-96-1) https://chemicalindependence.com/chemical/61477-96-1/ PubChem: 43672. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/43672 FDA National Drug Code directory: CAS 61477-96-1. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA Drug Shortages: CAS 61477-96-1. Retrieved 2026-10-04. https://www.accessdata.fda.gov/scripts/drugshortages/ US Census international trade: HS 294110 for CAS 61477-96-1. Reporting year: 2024. https://usatrade.census.gov/