Praziquantel

ITEMS

SPECIFICATION

Description

White or practically white cystalline powder.

Dissolved in chloroform, dissolved in ethanol,

not dissolved in water or ether

Identification

The infrared absorbance spectrum is concordant with the reference spectrum

Related Impurity

Not more than 0.2% of each is found

Loss on Drying

≤0.5%

Residue on Ignition

≤0.1%

Phosphate

≤0.05%

Heavy Metals

≤0.002%

Melting Range

136-142℃

Assay

98.5-101.0%

(Calculated on anhydrous product)