Closantel Sodium

Catalog No.S4105

For research use only.

Closantel is a gram positive antibacterial activity inhibitor, inhibiting the KinA/Spo0F system with IC50 of 3.8 μM.

Closantel Sodium Chemical Structure

CAS No. 61438-64-0

Purity & Quality Control

Choose Selective Bacterial Inhibitors

Biological Activity

Description Closantel is a gram positive antibacterial activity inhibitor, inhibiting the KinA/Spo0F system with IC50 of 3.8 μM.
In vitro

Closantel inhibits drug resistant S. aureus and E. faecium with MICs of 1 μg/mL and 1 μg/mL. Closantel inhibits MRSA and E.faecalis with MICs of 2 μg/mL and 1 μg/mL. [1] Closantel completely blocks the infection of host cells with E. chaffeensis or A. phagocytophilum, treatment of infected cells 1 day post infection with closantel clears infection in dose-dependent manner. Closantel inhibits the autokinase activities of the three E. chaffeensis sensor kinases from E. chaffeensis. [2] Closantel (50 μg/mL) causes an initial burst of contractions of much greater amplitude and frequency than normal in tissue vessel, the stimulation of amplitude and frequency lasted for nearly 15 min and is accompanied by a rise in muscle tone, which reaches a maximum at 16 min, at a level greater than 1.5 times the maximal normal amplitude. [3]

In vivo Closantel (10 mg/kg) results in gross surface damage from 24 hours onwards in rats administrated with 25 metacercarial cysts of F. hepatica, in the form of erosion of the anterior and posterior extremities of the fluke and large-scale sloughing of the tegument on both dorsal and ventral surfaces. [3] Closantel (7.5 mg/kg) combined with broad-spectrum anthelmintic is very effective against H. contortus but ineffective against Trichostrongylus spp in lambs. [4] Closantel significantly reduces isotope levels in closantel-resistant adult Haemonchus contortus infected sheep. [5]

Protocol (from reference)

Solubility (25°C)

In vitro

Chemical Information

Molecular Weight 685.06
Formula

C22 H13 Cl2I2N2O2.Na

CAS No. 61438-64-0
Storage 3 years -20°C powder
2 years -80°C in solvent
Smiles CC1=CC(=C(C=C1NC(=O)C2=C(C(=CC(=C2)I)I)[O-])Cl)C(C#N)C3=CC=C(C=C3)Cl.[Na+]

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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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Molarity Calculator

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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.

Handling Instructions

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