Tamsulosin 106133-20-4 Tamsulosin hydrochloride
Tamsulosin CAS:106133-20-4
1.Product profile
Product name: Tamsulosin
CAS No.: 106133-20-4
MF: C20H28N2O5S
Purity: 99.5% min
Molecular Weight:408.5117
2.Speficication
ITEM TESTED |
STANDARD |
RESULTS |
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characteristics |
White or almost white crystalline powder |
Almost white crystalline powder; |
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Slight soluble in water, freely soluble in formic acid |
Odorless and tasteless ; |
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Slightly soluble in anhydrous ethanol |
the product meets the requirement of test for solubility |
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Melting point |
About 230 °C |
233.1-233.5°C |
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identification |
1)should conformed |
1) Conform |
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2)Specific rotation: between -17.5 and -20.5 ° |
2) -19.0° |
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3) Examine by infrared absorption spectrophotometry, compare the spetrum obtained with reference spectrum: should meet the requirement |
3) Conform |
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4)Should conformed |
4) Conform |
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Test |
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Related substances |
Procedure A: Largest single impurity should no more than 0.1% |
0.024% |
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Procedure B Largest single impurity should no more than 0.1% Total impurity should no more than 0.2% |
0.001% 0.019% |
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Enantiomeric purity |
No more than 0.1% |
0.024% |
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Heaxy metals |
No more than 20ppm |
conform |
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Loss on drying |
No more than 0.5% |
0.03% |
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Sulphated ash |
No more than 0.1% |
0.02% |
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Residual solvent |
Ethanol |
No more than 5000ppm |
400ppm |
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assay |
Should between 98.5% and 101.0 per sent |
99.4% |
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The material complies with respect to EP 7.0 |
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