Panipenem

帕尼培南

Also known as: PAPM, CS 533, RS 533, (5R,6S)-6-[(1R)-1-Hydroxyethyl]-3-[[(3S)-1-(1-iminoethyl)-3-pyrrolidinyl]thio]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, (5R,6S)-3-{[(3S)-1-Ethanimidoyl-3-pyrrolidinyl]sulfanyl}-6-[(1R)-1-hydroxyethyl]-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, (5R,6S)-6-[(R)-1-Hydroxyethyl]-2-[(S)-1-acetimidoylpyrrolidin-3-ylthio]-1-carbapen-2-em-3-carboxylic Acid, Panipenan, 1-Azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid, 6-[(1R)-1-hydroxyethyl]-3-[[(3S)-1-(1-iminoethyl)-3-pyrrolidinyl]thio]-7-oxo-, (5R,6S)-

Panipenem (CAS 87726-17-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C15H21N3O4S and a molecular weight of 339.410 g/mol. It is also known as PAPM, CS 533 and RS 533. Key properties include a boiling point of 555.5±60.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 289.7±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 87726-17-8
Jingsj CID: J-1961097-3
Molecular Formula: C₁₅H₂₁N₃O₄S
Chinese Name: 帕尼培南
Molecular Weight: 339.410 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	555.5±60.0 °C at 760 mmHg
Density	1.6±0.1 g/cm3
Flash Point	289.7±32.9 °C

Frequently Asked Questions

What is the CAS number of Panipenem?

The CAS number of Panipenem is 87726-17-8.

What are the molecular formula and molecular weight of Panipenem?

Panipenem has molecular formula C15H21N3O4S and molecular weight 339.410 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Panipenem (CAS 87726-17-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1961097-3 (accessed 2026-10-24).

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