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Cefditoren Pivoxil

Synonyms: ME-1207

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

Cefditoren Pivoxil Chemical Structure

Cefditoren Pivoxil Chemical Structure

CAS: 117467-28-4

Purity & Quality Control

Batch: Purity: 99.53%
99.53

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Biological Activity

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

Chemical lnformation & Solubility

Molecular Weight 620.72 Formula

C25H28N6O7S3
CAS No. 117467-28-4 SDF Download Cefditoren Pivoxil SDF
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
Storage (From the date of receipt)

In vitro
Batch:

DMSO : 100 mg/mL ( (161.1 mM)； Moisture-absorbing DMSO reduces solubility. Please use fresh DMSO.)

Water : Insoluble

Ethanol : Insoluble


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In vivo
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Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO ( Master liquid concentration mg/mL, Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug. )

Method for preparing in vivo formulation: Take μL DMSO master liquid, next addμL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O, mix and clarify.

Method for preparing in vivo formulation: Take μL DMSO master liquid, next add μL Corn oil, mix and clarify.

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