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USD $1.00-1.00 / Kilogram
USD $10.00-25.00 / Kilogram
USD $10.00-25.00 / Kilogram
test item |
specification |
results |
|
appearance |
yellow to brown crystalline powder |
yellow crystalline powder |
|
identification |
ft-ir、hplc、nmr、mass |
confirm |
|
melting point |
187ºc-192ºc |
189.6ºc |
|
water |
≦3.0% |
0.3% |
|
residual solvent (meets the requirements of ich) |
|
||
ethyl acetate |
≦5000ppm |
28ppm |
|
acetone |
≦5000ppm |
1120ppm |
|
n,n-dimethylformamide |
≦880ppm |
218ppm |
|
methanol |
≦3000ppm |
1021ppm |
|
residue on ignition |
≦0.2% |
0.08% |
|
heavy metals |
≦20 ppm |
9ppm |
|
impurities: |
|
||
single impurity |
≦0.5% |
0.24%max |
|
total impurities |
≦1.0% |
0.34% |
|
assay (hplc) |
98.0%-102.0% |
99.7% |
|
test item |
specification |
results |
|
appearance |
yellow to brown crystalline powder |
yellow crystalline powder |
|
identification |
ft-ir、hplc、nmr、mass |
confirm |
|
melting point |
187ºc-192ºc |
189.6ºc |
|
water |
≦3.0% |
0.3% |
|
residual solvent (meets the requirements of ich) |
|
||
ethyl acetate |
≦5000ppm |
28ppm |
|
acetone |
≦5000ppm |
1120ppm |
|
n,n-dimethylformamide |
≦880ppm |
218ppm |
|
methanol |
≦3000ppm |
1021ppm |
|
residue on ignition |
≦0.2% |
0.08% |
|
heavy metals |
≦20 ppm |
9ppm |
|
impurities: |
|
||
single impurity |
≦0.5% |
0.24%max |
|
total impurities |
≦1.0% |
0.34% |
|
assay (hplc) |
98.0%-102.0% |
99.7% |
|