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CAS NO.5579-84-0
1. Competitive offers with standard high quality or customize
2. Available customizing blending of above 2 single products
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Name Betahistine dihydrochloride
CAS Registry Number 5579-84-0
EINECS 226-966-5
Molecular Formula C8H14Cl2N2
Molecular Weight 209.12
Assay 99.0%min
Melting Point
150-154 °C
|
Item |
Specifications |
Results |
|
Characteristies |
A white or almost crystalline powder |
Pass |
|
Idenrification |
IR similar to reference stand |
Pass |
|
Solubility |
Very soluble in water, soluble in ethar (96 per cent), penetically insoluble in 2 proparol |
Pass |
|
Related substarce 2-(2-Hydroxyethyl)pyridine |
Not moer than 0.2% |
0.03% |
|
2-vinyly |
Not moer than 0.2% |
0.04% |
|
N-methyl-N,N-bis(2-pyridin-2-ylethyl) amine |
Not moer than 0.2% |
0.16% |
|
Any other impurity |
Not moer than 0.1% |
Pass |
|
Total impurities |
Not moer than 0.5% |
0.30% |
|
Clarity of solution (0.1g in 1µm) carbon dioxide free water |
Clear |
Pass |
|
Ph |
2.0-3.0 |
2.5 |
|
Loss on drying |
Not more than 1.0% |
0.16% |
|
Residue on ignition |
Not more than 0.1% |
0.05% |
|
Residue solvents |
Isopropanol: Not more than 0.5% |
Undetected |
|
Assay |
99.0%-101.0% |
99.53% |
|
Conclusion |
The results conforms with USP32 |
|
