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1 Gram |
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Tiotropium bromide Monohydrate cas 139404-48-1 API
Tiotropium Bromide Hydrate API 139404-48-1 professional supplier
Specification:
Tiotropium bromide cas no 139404-48-1
Molecular Formula C19H21BrNO4S2
Tiotropium bromide |
---|
TEST ITEM |
SPECIFICATION |
RESULT |
Appearance |
White or off white crystalline powder |
Complies |
Identification |
By IR absorption ,To match with working standard |
Complies |
UV spectrum ,there is a maximum absorption at 236nm. |
Complies |
|
Solubility |
Slightly solubily in water,very slightly in ethanol and acetonitrile |
Complies |
Test |
||
Melting point |
217~222°C |
218~220°C |
pH |
4.0~7.0 |
5.68 |
Loss on drying |
≤1.0% |
0.32% |
Single Impurity Total impurity |
≤0.3% ≤0.5% |
Complies 0.23% |
Heavy metal |
≤20ppm |
<20ppm |
Residue on ignition |
≤0.1% |
Complies |
Assay |
≥99.00% |
99.76% |
Conclusion:Conforms |
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