Cefpodoxime proxetil EP impurity B

Also known as: Cefpodoxime Proxetil Impurity B, Cefpodoxime Proxetil EP Impurity B, Cefpodoxime Proxetil EP Impurity B (Mixture of Diastereomers), Cefpodoxime Proxetil Impurity 2, (R)-1-((isopropoxycarbonyl)oxy)ethyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, 1-propan-2-yloxycarbonyloxyethyl (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-methoxyiminoacetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefpodoxime proxetil EP impurity B (CAS 947692-14-0) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C20H25N5O8S2 and a molecular weight of 527.571 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.: 947692-14-0
Jingsj CID: J-1988961-2
Molecular Formula: C₂₀H₂₅N₅O₈S₂
Molecular Weight: 527.571 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.6±0.1 g/cm3
Exact Mass	527.114441
LogP	2.41
Refractive Index	1.687

Activity & Biological Data

Additional Information	[1]. Iqbal S, et al. In vitro Spectroscopic studies on drug interaction of cefpodoxime proxetil and H2 receptor blockers. Pak J Pharm Sci. 2019 Mar;32(2 (Supplementary)):881-887.

Frequently Asked Questions

What is the CAS number of Cefpodoxime proxetil EP impurity B?

The CAS number of Cefpodoxime proxetil EP impurity B is 947692-14-0.

What are the molecular formula and molecular weight of Cefpodoxime proxetil EP impurity B?

Cefpodoxime proxetil EP impurity B has molecular formula C20H25N5O8S2 and molecular weight 527.571 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 EP impurity B (CAS 947692-14-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1988961-2 (accessed 2026-11-06).

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