Category:
Antiparasitic
CAS NO:
61438-64-0
Standard:
ChP,EP,
Broad-spectrum vermifuge
Closantel sodium is a synthetic salicylanilide derivative widely used as an anthelmintic in veterinary medicine. The core synthesis involves coupling 2,6-dichlorobenzonitrile with specific phenolic precursors followed by neutralization to form the sodium salt. Its molecular formula is C17H8Cl2N2NaO4 and CAS number is 59064-65-4.
Strict withdrawal periods must be observed before slaughter to prevent tissue residues. Personnel handling the active ingredient require PPE including gloves and respiratory protection due to potential toxicity. Store in cool, dry conditions away from direct sunlight to maintain chemical stability.