Praziquantel?CAS 55268-74-1

Description

Praziquantel?quick Details
Chemical Name: Praziquantel
CAS No: 55268-74-1
Molecular Formula??C19H24N2O2
Molecular Weight??312.41
Appearance: White or practically white, crystalline powder
Assay: 98.5%?101.0% (dried basis)
Praziquantel Typical Properties

Item
Specifications

Appearance
White or practically white, crystalline powder

Solubility
Freely soluble in alcohol and in chloroform; very slightly soluble in water.

Identification
IR: the infrared spectrum of a potassium bromide dispersion is consistent with a reference standard

HPLC. The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay

Heavy metals
Not more than 0.002%

Phosphate
Not more than 0.05%

Loss on drying
Not more than 0.5%

Residue on ignition
Not more than 0.1%

Related Substances
Related compound A: not more than 0.2%
Related compound B: not more than 0.2%
Related compound C: not more than 0.2%

Assay
98.5%?101.0% (dried basis)

Residual Solvents
Limit of Dichloromethane: NMT 600ppm
Limit of ethyl acetate: NMT 5000 ppm
Limit of ethanol: NMT 5000 ppm

Praziquantel?Usage
Broad-spectrum antiparasitic drugs. For the treatment and prevention of schistosomiasis, cysticercosis, paragonimiasis, echinococcosis, ginger worm disease, echinococcosis, worm infections, etc.
Praziquantel?Packaging
Packing:?1kg/Foil bag