Praziquantel

Product

Praziquantel

Product Date

 2013-06-04

Batch No.

PE130602

  Report Date

2013-06-07

    Quantity

500kg

  Expiry Date

2017-05

Packing

25kg/druma

Refrence Standard

USP35

Items & Results

Item

Spec.

Result

Characters

  White or almost white

    crystalline powder

Conforms

Identification

The infrared absorbance

spectrum conforms to the

refrence spectrum

Conforms

Melting range

136°C~142°C

138~140

Loss on drying

   ≤0.5%

0.10%

Residue on ignition

   ≤0.1%

0.04%

Heavy metals

   ≤20ppm

<20ppm

Phosphate

   ≤0.05

Conforms

Residual solvents

   Dichloromethane≤600ppm

Not detected

 Acetone≤5000ppm

556ppm

Related compounds

A≤0.2%

0.15%

       B≤0.2%

0.07%

       C≤0.2%

0.01%

Assay(on the dried basis)

98.5%~101.0%

      99.18%

Conclusion

Conform to USP35 specification