• Closantel Base

Closantel Base

Closantel uncouples oxidative phosphorylation in parasite mitochondria, leading to a disruption of ATP production. This results in energy depletion and parasite death.

Product Description

Synonyms

* Closantelum [INN-Latin],

* Faskoverm,

* R 31520

* N-[5-Chloro-4-(4-chloro--cyanobenzyl)-2-methylphenyl]-2-hydroxy-3,5-diiodobenzamide,

* 5'-Chloro-4'-(4-chloro--cyanobenzyl)-3,5-diiodo-2'-methylsalicylanilide,

* N-(5-Chloro-4-((4-chlorophenyl)cyanomethyl)-2-methylphenyl)-2-hydroxy-3,5-diiodobenzamide,

* Closantel [USAN:BAN:INN],

* R 31520,

* 5'-Chloro-.alpha.4-(p-chlorophenyl)-.alpha.4-cyano-3,5-diiodo-2', 4'-salicyloxylidide,

* 5'-Chloro-alpha(sup 4)-(p-chlorophenyl)-alpha(sup 4)-cyano-3,5-diiodo-2',4'-salicyloxylidide,

* Benzamide, N-(5-chloro-4-((4-chlorophenyl)cyanomethyl)-2-methylphenyl)-2-hydroxy-3,5-diiodo-,

* EINECS 260-967-1,

* NSC335306,

* R 31,520,

Chemical Name N-[5-chloro-4-[(4-chlorophenyl)-cyano-methyl]-2-methyl-phenyl]-2-hydroxy-3,5-diiodo-benzamide
Molecular formula C22H14Cl2I2N2O2
Molecular weight 663.07
CAS No. 57808-65-8
Structural formula Closantel Base
Specification

Appearance: White to off-white crystalline powder

Identification: IR spectrum conforms to reference standard Positive iodine reaction

Assay (HPLC): 98.0% – 102.0% (on dried basis)

Loss on Drying: ≤ 0.5%

Residue on Ignition (Sulphated Ash): ≤ 0.2%

Related Substances (HPLC): Any individual impurity: ≤ 0.5%

Total impurities: ≤ 1.0%

Melting Point: 215 – 220 °C

Heavy Metals: ≤ 20 ppm

Solubility: Practically insoluble in water; freely soluble in dimethylformamide and dichloromethane; slightly soluble in ethanol

Pharmacodynamic Properties

Mode of Action: Closantel uncouples oxidative phosphorylation in parasite mitochondria, leading to a disruption of ATP production. This results in energy depletion and parasite death.  

Spectrum of Activity: Effective against adult and immature stages of Fasciola hepatica (liver fluke). Active against certain gastrointestinal nematodes (e.g., Haemonchus contortus). Effective against blood-sucking ectoparasites such as ticks, mites, and lice.  

Onset & Duration: Provides long-lasting activity due to strong binding to plasma proteins, particularly albumin.

Storage Store in a tightly sealed container. Keep in a cool, dry place away from light. Recommended storage temperature: below 25 °C.
MSDS Provide as per request after the order or contract is signed.

 

 

● Packaging method: 1kg aluminum foil bag, 25kg cardboard or fiber drum, 25kg aluminum tin

 

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