Bromocriptine mesylate Bromocriptine mesylate factory 22260-51-1
Appearance |
White or off white crystal powder,afraid of light |
|
Identification |
IR :Forward reaction |
|
|
UV:spectrum concordant with the working reference |
|
Colour of solution |
Clear and not darker in color than matching solution A,B and C |
|
Specific optical rotation |
95°~105° |
|
Loss on Drying |
≤4.0% |
|
Residue on ignition |
≤0.1% |
|
Heavy metals |
≤20ppm |
|
Content |
|
|
Methanesulfonic acid |
12.5%~13.4% |
|
Related substances |
|
|
Bromocriptinine |
≤0.1% |
|
Other individual |
≤0.1% |
|
Total |
≤0.5% |
|
Residual solvents |
|
|
Toluene |
≤890ppm |
|
Ethanol |
≤5000ppm |
|
Acetone |
≤5000ppm |
|
Diethyl ether |
≤5000ppm |
|
Methanol |
≤3000ppm |
|
1,4-dioxan |
≤380ppm |
|
Methylene -chloride |
≤600ppm |
|
Assay |
|
|
Recalculated on dried substance |
98.0%~102.0% |
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