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Praziquantel
Name:Praziquantel
CAS NO.55268-74-1
EINECS :259-559-6
MF:C19H24N2O2
Product spec: USP32
GMP Certified
The detailed specifications are as below:
Test Items Standard
Appearance A white crystalline powder similar
Identification The infrared absorbance spectrum conforms to the reference spectrum.
Melting range 136℃~142℃
Loss on drying Not more than 0.5%
Residue on ignition Not more than 0.1%
Heavy metals Not more than 20ppm
Phosphate Not more than 0.05%
Residue solvents Dichloro methane: Not more than 600ppm
Acetone :Not more than 5000ppm
Related compounds A: Not more than 0.2%
B: Not more than 0.2%
C: Not more than 0.2%
Assay( dried basis) 98.5%-101%