Cefditoren Pivoxil

For research use only.

Catalog No.S1768 Synonyms: ME-1207

Cefditoren Pivoxil Chemical Structure

CAS No. 117467-28-4

Cefditoren Pivoxil (ME-1207) is a broad-spectrum antibiotic against Gram-negative and Gram-positive bacteria.

Purity & Quality Control

Choose Selective Bacterial Inhibitors

Biological Activity

Description Cefditoren Pivoxil (ME-1207) is a broad-spectrum antibiotic against Gram-negative and Gram-positive bacteria.
In vitro

Cefditoren has MIC50/MIC90 results for Moraxella catarrhalis and Haemophilus influenzae of 0.12/0.5 and < or = 0.008/0.015 mg/mL, respectively. [1] Cefditoren (MIC(90), 0.5 mg/mL) is 4- to 128-fold more active than comparison beta-lactams against the pneumoococci and was the most potent beta-lactam (including penicillin) versus beta-haemolytic streptococci. Cefditoren (MIC(90) in mg/mL/% susceptible) activity against all tested H. influenzae (0.03/100) and M. catarrhalis (0.06-0.5/100) is comparable to Cefixime and significantly greater than cefaclor. Cefditoren pharmacokinetics demonstrate a T(1/2) of 1.5-2 hours and C(max) values of 2.8 and 4.6 mg/mL, respectively with 200 or 400 mg doses of Cefditoren pivoxil. [2] Cefditoren possesses a broad-spectrum of cidal antibacterial activity against both Gram-positive and Gram-negative species with stability to many beta-lactamases of clinical importance. [3] Cefditoren is also effective against methicillin-susceptible strains of Staphylococcus aureus. Cefditoren has compared favorably against other orally administered antibiotics used against the most commonly isolated respiratory tract pathogens. [4] Cefditoren up-regulates the expression levels of Mrp2, Bcrp and Oat2, and down-regulate P-gp and Oct1 mRNA expression. [5]


Solubility (25°C)

In vitro DMSO 100 mg/mL (161.1 mM)
Water Insoluble
Ethanol Insoluble

* Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

Chemical Information

Molecular Weight 620.72


CAS No. 117467-28-4
Storage powder
in solvent
Synonyms ME-1207
Smiles CC1=C(SC=N1)C=CC2=C(N3C(C(C3=O)NC(=O)C(=NOC)C4=CSC(=N4)N)SC2)C(=O)OCOC(=O)C(C)(C)C

In vivo Formulation Calculator (Clear solution)

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% DMSO % % Tween 80 % ddH2O

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Tech Support

Answers to questions you may have can be found in the inhibitor handling instructions. Topics include how to prepare stock solutions, how to store inhibitors, and issues that need special attention for cell-based assays and animal experiments.

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID