1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium inner salt

1-[[(6R,7R)-7-氨基-2-羧基-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-3-基]甲基]-1-甲基吡咯烷内盐

Also known as: NMP-ACA, Cefepime Impurity E, Cefepime EP Impurity E, Cefepime related compound E, (6R,7R)-7-Amino-3-[(1-methylpyrrolidinio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, (6R,7R)-7-amino-3-[(1-methylpyrrolidin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, (6R-trans-NMP-ACA), 7-Amino-3-(1-methylpyrrolidino)methyl-3-cephem-4-carboxylate inner salt, Cefepime Impurity 5, UNII: OXO94WH649

1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium inner salt (CAS 103296-32-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H19N3O3S and a molecular weight of 297.37300 g/mol. It is also known as NMP-ACA, Cefepime Impurity E and Cefepime EP Impurity E. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 103296-32-8
Jingsj CID: J-1986705-6
Molecular Formula: C₁₃H₁₉N₃O₃S
Chinese Name: 1-[[(6R,7R)-7-氨基-2-羧基-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-3-基]甲基]-1-甲基吡咯烷内盐
Molecular Weight: 297.37300 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium inner salt?

The CAS number of 1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium inner salt is 103296-32-8.

What are the molecular formula and molecular weight of 1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium inner salt?

1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium inner salt has molecular formula C13H19N3O3S and molecular weight 297.37300 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. "1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium inner salt (CAS 103296-32-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1986705-6 (accessed 2026-10-24).

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