Ethambutol 2HCl

Catalog No.S4004 Synonyms: CL40881

Ethambutol 2HCl Chemical Structure

Molecular Weight(MW): 277.23

Ethambutol is a bacteriostatic antimycobacterial agent, which obstructs the formation of cell wall by inhibiting arabinosyl transferases.

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In DMSO USD 130 In stock
USD 97 In stock
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Biological Activity

Description Ethambutol is a bacteriostatic antimycobacterial agent, which obstructs the formation of cell wall by inhibiting arabinosyl transferases.
In vitro

Ethambutol directly affects two polymers, arabinogalactan (AG) and lipoarabinomannan (LAM) in Mycobacterium smegmatis. In M. smegmatis, Ethambutol inhibits synthesis of arabinan completely and inhibits AG synthesis most likely as a consequence of this; more than 50% of the cell arabinan is released from the bacteria following Ethambutol treatment, whereas no galactan is released. Ethambutol main targets against embB gene product in M. avium. Ethambutol induces 60% changes in the embB gene in M. tuberculosis resistant mutants. [1] Ethambutol is effective against actively growing microorganisms of the genus Mycobacterium, including M. tuberculosis. Nearly all strains of M. tuberculosis and M. kansasii as well as a number of strains of the M. aviumcomplex (MAC) are sensitive to Ethambutol. [1] Ethambutol is potency against M. tuberculosis (H37Rv) with MIC of 0.5 μg/mL in vitro. [2] Ethambutol is efficient on treatment of mycobacterial-infected macrophages. When M. tuberculosis infected macrophages are treated with 6 μg/mL Ethambutol, the log CFUs following treatment for 3 days is 4.17, while value in control group is 4.8. The MICs for M. avium (MTCC 1723) and M. smegmatis (MTCC 6) are 15 μg/mL and 0.18 μg/mL, respectively. [3]

In vivo Ethambutol is efficient in animal model. 100 mg/kg Ethambutol given orally 15 days post i.v. infection 1 ×/week for 5 weeks, induces a lower log CFU compared with untreatment (4.59 vs 5.07). [3]

Protocol

Solubility (25°C)

In vitro DMSO 56 mg/mL (201.99 mM)
Water 56 mg/mL (201.99 mM)
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 277.23
Formula

C10H24N2O2.2HCl

CAS No. 1070-11-7
Storage powder
in solvent
Synonyms CL40881

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Clinical Trial Information

NCT Number Recruitment interventions Conditions Sponsor/Collaborators Start Date Phases
NCT02114684 Completed Drug: moxifloxacin Recurrent Tuberculosis Centre for the AIDS Programme of Research in South Africa November 2013 Phase 1|Phase 2
NCT02496572 Unknown status Drug: Short course MDR-TB treatment regimen Multidrug Resistant Tuberculosis Medecins Sans Frontieres Netherlands|Ministry of Health Republic of Uzbekistan|Imperial College London September 2013 --

Tech Support

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Cell Lines Assay Type Concentration Incubation Time Formulation Activity Description PMID