Piperacillin

哌拉西林

Also known as: Pipracil, Piperacillin acid, Piperacillin anhydrous, (2S,5R,6R)-6-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Piperacillin (CAS 61477-96-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C23H27N5O7S and a molecular weight of 517.555 g/mol. It is also known as Pipracil, Piperacillin acid and Piperacillin anhydrous. Key properties include a melting point of 139-140ºC and a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 61477-96-1
Jingsj CID: J-1956387-9
Molecular Formula: C₂₃H₂₇N₅O₇S
Chinese Name: 哌拉西林
Molecular Weight: 517.555 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	139-140ºC
Density	1.5±0.1 g/cm3
Exact Mass	517.163147
PSA	181.73000
LogP	1.88
Refractive Index	1.678
Storage Conditions	Hygroscopic, -20°C Freezer, Under Inert Atmosphere

Activity & Biological Data

Additional Information	[1]. B. Holmes, et al. A Review of its Antibacterial Activity, Pharmacokinetic Properties and Therapeutic Use.

Customs & Trade Information

HS Code	2941101900

Frequently Asked Questions

What is the CAS number of Piperacillin?

The CAS number of Piperacillin is 61477-96-1.

What are the molecular formula and molecular weight of Piperacillin?

Piperacillin has molecular formula C23H27N5O7S and molecular weight 517.555 g/mol.

What are the upstream and downstream products of Piperacillin?

For Piperacillin, Upstream Products: Piperacillin sodium; Downstream Products: Piperacillin sodium, Tazobactam Sodium.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Piperacillin (CAS 61477-96-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1956387-9 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.