- Category :
Pharmaceuticals and Biochemicals
- CAS NO : 14976-57-9;15686-51-8
- EC NO : 239-055-2
- Molecular Formula : C21H26ClNO¡¤C4H4O4
- Main Specifications :
- Synonyms : clemastine hydrogen fumarate;(2R)-2-{2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl}-1-methylpyrrolidine;(2R)-2-{2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl}-1-methylpyrrolidine (2E)-but-2-enedioate;;CLEMASTINE;CLEMASTINE FUMARATE SALT;CLEMASTINUM;(2R)-2-[2-[(1R)-1-(4-CHLOROPHENYLETHOXY)]ETHYL]-1-METHYL-2-PYRROLIDINE FUMARATE;(+)-(2R)-2-[2-[[(R)-p-Chloro-alpha-methyl-alpha-phenylbenzyl]oxy]ethyl]-1-methylpyrrolidine;Pyrrolidine, 2-[2-[1-(4-chlorophenyl)-1-phenylethoxy]ethyl]-1-methyl-, [R-(R*,R*)]-;Pyrrolidine, 2-2-(1R)-1-(4-chlorophenyl)-1-phenylethoxyethyl-1-methyl-, (2R)-;Pyrrolidine, 2-[2-[(p-chloro-¦Á-methyl-¦Á-phenylbenzyl)oxy]ethyl]-1-methyl-, (+)- (8CI);2-{2-[1-(4-chlorophenyl)-1-phenylethoxy]ethyl}-1-methylpyrrolidine;
Package: 1kg 0.5kg AL FOIL BAG
Molecular Structure:
Product description:
Molecular formula:C21H26CLNO . C4H4O4
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, used to treat tetter, hives, irritability coryza
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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