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Fenbendazole

CAS No.: 43210-67-9                                  EINECS: 256-145-7

Molecular Formula: C15H13N3O2S         Molecular Weight: 299.35

Molecular Structure:

Property：

The melting point of Fenbendazole is 233 ºC . Fenbendazole’s character is white or almost white powder

Specifications：

Item	Index
IR Identification	Complies with reference spectrum
HPLC Purity	Impurity A:0.5% max. Impurity B:0.5% max. Any other impurities:0.2% max. Total Impurities:1.0% max
Heavy Metals	20ppm max.
Loss On Drying	1.0% max.
Sulphated Ash	0.3% max.
Assay	Calculated On the Dry Basis
Particle Size	99.5 pass 120mesh
Bulk Density	No Limit
Residual Solvent	Chloroform 60ppm max. Methanol 1500ppm max. Ethanol 2000ppm max.
Insoluble Matter	No substantialforeigh matter is observed

Usage:

Fenbendazole (Hoechst brand names Panacur and Safe-Guard, Intervet Panacur and Panacur Rabbit) is a broad spectrum benzimidazole anthelmintic used against gastrointestinal parasites including roundworms, hookworms, whipworms, the taenia species of tapeworms, pinworms, aelurostrongylus, paragonimiasis, strongyles and strongyloides and Fenbendazole can be administered to sheep, cattle, horses, fish, dogs, cats, rabbits and seals. Drug interactions may occur if using bromsalan flukicides such as dibromsalan and tribromsalan. Fenbendazole abortions in cattle and death in sheep have been reported after using these medications together.

Fenbendazole is poorly absorbed from the gastrointestinal tract in most species. The LD50 in laboratory animals exceeds 10 g/kg when administered orally

Package and Storage:

Fenbendazole is packed in 25kg fiber drum with shelf life 5 years.

Keyword:

Fenbendazole , [5-(phenylthio)-1H-benzimidazol-2-yl]carbamic acid methyl ester; Panacur