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| Clemastine Fumarate |
Molecular formula:C21H26CLNO . C4H4O4
Structural formula:
Properties: white or white crystal powder, no smell, slight bitter, slightly dissolved in carbinol, slightly dissolved in chloroform or water.
Spin degree: +15-18°
Quality standard: CP2010 USP31
Usage: Antiallergic agent
Verification:
1.With TLC method, it should accord with specified rules.
2. Infrared absorption spectrum should accord with sample spectrum
Check:
1.The liquor's clearness and color should accord with specification
2.Dry weight loss: less than 0.5%
3. Acidity: 3.2-4.2
4. Heavy metal: less than 20PPM
Content: the content of C21H26CLNO . C4H4O4 should be 98.0-102.0% under dry status
Packing: 1kg 0.5kg AL FOIL BAG
Functions: Antiallergic agent. |
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