Cefpodoxime Proxetil Impurity E

Also known as: Cefpodoxime Proxetil EP Impurity E, Cefotaxime Proxetil, Cefpodoxime Proxetil Impurity 5, Cefpodoxime Proxetil Ep Impurity E (ACA-, 1-[(Isopropoxycarbonyl)oxy]ethyl (6R,7R)-3-(acetoxymethyl)-7-{[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[(acetyloxy)methyl]-7-[[(2Z)-2-(2-amino-4-thiazolyl)-2-(methoxyimino)acetyl]amino]-8-oxo-, 1-[[(1-methylethoxy)carbonyl]oxy]ethyl ester, (6R,7R)-, CefpodoxiMe Proxetil IMpurity E

Cefpodoxime Proxetil Impurity E (CAS 217803-89-9) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C22H27N5O10S2 and a molecular weight of 585.607 g/mol. Key property: a density of 1.6±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 217803-89-9
Jingsj CID: J-1528911-7
Molecular Formula: C₂₂H₂₇N₅O₁₀S₂
Molecular Weight: 585.607 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.6±0.1 g/cm3
Exact Mass	585.119934
LogP	2.43
Refractive Index	1.674

Frequently Asked Questions

What is the CAS number of Cefpodoxime Proxetil Impurity E?

The CAS number of Cefpodoxime Proxetil Impurity E is 217803-89-9.

What are the molecular formula and molecular weight of Cefpodoxime Proxetil Impurity E?

Cefpodoxime Proxetil Impurity E has molecular formula C22H27N5O10S2 and molecular weight 585.607 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Cefpodoxime Proxetil Impurity E (CAS 217803-89-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1528911-7 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.