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Clemastine fumarate
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| Post Date: | Mar 08,2021 |
| Expiry Date: | Mar 08,2022 |
| Detailed Description: |
Cas No. :14976-57-9
Specs:White or off-white crystalline powder; 98% Clemastine fumarate MF： C25H30ClNO5 MW： 459.96 CAS： 14976-57-9 EINECS: 239-055-2 White or off-white crystalline powder; Clarity and color of solution Test solution is colorless or not more intensely colored than Color matching fluid Melting Point 140~145℃ Identification Infrared AbsorptionTLC Specific rotation [α]D20 +15°～+18 °(c = 1 in methanol) PH 3.2～4.2 Loss on drying ≤0.5% Heavy Metal ≤20ppm Individual impurity≤ 0.5% Total Impurities ≤1.0% Residual solvents 500ppm（Ethanol） Assay(dried base) 98.0%～102.0% Stability data is available. Second generation H1 receptor antagonists Antihistamines. |
| CAS Registry Number: | 14976-57-9 |
| 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-α-methyl-α-phenylbenzyl)oxy]ethyl]-1-methyl-, (+)- (8CI);2-{2-[1-(4-chlorophenyl)-1-phenylethoxy]ethyl}-1-methylpyrrolidine; |
| Molecular Formula: | C21H26ClNO·C4H4O4 |
| Molecular Weight: | 459.9624 |
| Molecular Structure: | 
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| Company: | Chongqing Newsin Technology Co., Ltd [ China ] |
| Contact: | Mr,Jiang |
| Tel: | +86-133-8896-1477 |
| Fax: | |
| Email: | sales@nstecom.com |
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