Closantel Sodium

CAS number: 61438-64-0

Molecular formula: C22H13Cl2I2N2NaO2

molecular weight: 685.06

Chemical structure:

Sr. No.TestSpecificationResult
1DescriptionYellowish powder, Slightly Hygroscopic. (B.P.VET) Off white powder   (IN HOUSE SPECIFICATION)Off white powder
2SolubilityVery slightly soluble in water, freely soluble in ethanol, soluble   in methanol & dimethyl formamide.Freely Soluble in Ethanol, Soluble in Methanol.

A) By IRTest passes
B) Sodium TestTest passes
4Assay (On Anhy. Basis)98.5% to 101.5%99.48%
5Appearance of solutionColour of sample solution is not more intense than the colour of   standard solution GY4Test Passes
6Related SubstancesBy Thin Layer Chromatography As per BP Addendum 88Test passes
7WaterBetween 4.8% to 5.8%5.20%
8Related Substances
Impurities ANot more than 0.2%Not Detected
Impurities BNot more than 0.2%Not Detected
Impurities CNot more than 0.2%Not Detected
Impurities DNot more than 0.2%0.10%
Impurities ENot more than 0.2%Not Detected
Impurities JNot more than 0.2%Not Detected
Impurities GNot more than 0.5%0.08%
Impurities FNot more than 0.3%Not Detected
Impurities HNot more than 0.3%0.24%
Impurities INot more than 0.3%Not Detected
Any other ImpuritiesNot more than 0.5%0.08%
Total ImpuritiesNot more than 1.5%0.50%