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25 Kilogram |
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Praziquantel 55268-74-1 Manufacturer in China Praziquantel 55268-74-1 high quality low price in stock 55268-74-1 low price
Top grade pharmaceutical chemicals Raw material Praziquantel CAS NO 55268-74-1
1.CAS NO.:79902-63-9
2.Sample available
3.Shelf life:2 years
4.Pharmaceutical chemicals
Praziquantel COA
TESTS |
SPECIFICATIONS&LIMITS |
RESULTS |
Characters |
White or white crystalline powder |
Complies |
Solubility |
slightly soluble in water, freely soluble in alcohol and in chloroform |
Complies |
Identification |
IR: Corresponding to Praziquantel CRS |
Positive |
Melting Range |
136°C~142°C |
137.8~139.5°C |
Heavy metals |
Not more than 0.002% |
<0.002% |
Phosphate |
Not more than 0.05% |
<0.05% |
Loss on drying |
Not more than 0.5% |
0.24% |
Residue on ignition |
Not more than 0.1% |
0.03% |
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% |
A: 0.09% B: 0.11% C:Not detectable |
Assay |
98.5%~101.0% (dried basis) |
99.38% |
Particle size |
|
20% less than 10um 97% less than 50um |
Residual Solvents |
Limit of chloroform: NMT 60 ppm Limit of acetone: NMT 500 ppm |
NMT 60 ppm NMT 500 ppm |
Conclusion |
Conform with USP32 |
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