CAS No. 111696-23-2

Batch: Purity:98.36
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Cefetamet pivoxil hydrochloride Chemical Structure
Chemical Structure
Check the Cefetamet pivoxil hydrochloride product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 111696-23-2
Molecular Formula

C20H25N5O7S2.HCl
 
Molecular Weight (MW) 548.03
SMILES CC1=C(N2C(C(C2=O)NC(=O)C(=NOC)C3=CSC(=N3)N)SC1)C(=O)OCOC(=O)C(C)(C)C.Cl

Biological Activity

Cefetamet pivoxil hydrochloride is an orally bioavailable, third-generation cephalosporin antibiotic that acts by targeting bacterial penicillin-binding proteins. Inhibition of these essential enzymes prevents cross-linking during bacterial cell wall peptidoglycan synthesis. This disruption impairs cell wall integrity, triggering osmotic lysis and cell death in a broad spectrum of Gram-positive and Gram-negative bacterial species.

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 100 mg/mL (182.47 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 100 mg/mL
Water Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

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Note: Technical data last updated: Sep 1, 2026.