Clemastine fumarate salt

≥98% (HPLC)

1-Methyl-2-[2-(methyl-p-chlorodiphenylmethyloxy)ethyl]pyrrolidine fumarate salt, 1-Methyl-2-[2-(α-methyl-p-chlorobenzhydryloxy)ethyl]pyrrolidine fumarate salt, (2R)-2-[2-[(1R)-1-(4-Chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine fumarate salt, (+)-2-[2-[(p-Chloro-α-methyl-α-phenylbenzyl)oxy]ethyl]-1-methylpyrrolidine fumarate salt, Meclastine fumarate salt, Mecloprodine
Empirical Formula (Hill Notation):
C21H26ClNO · C4H4O4
Número de CAS:
Peso molecular:
EC Number:
MDL number:
PubChem Substance ID:
En este momento no podemos mostrarle ni los precios ni la disponibilidad

Quality Level


≥98% (HPLC)



optical activity

[α]/D +15 to +25°, c = 1 in methanol

storage condition



white to beige


DMSO: 5 mg/mL (clear solution; warmed)

storage temp.

room temp

SMILES string




InChI key


Gene Information

human ... HRH1(3269)

General description

Clemastine fumarate is used to treat multiple sclerosis, sneezing and rhinorrhea linked to common cold. It stimulates oligodendrocyte progenitor cell (OPC) differentiation and myelination.


Clemastine fumarate salt has been used as a stimulator of rodent oligodendrocyte generation and myelination in vitro and in vivo.


100 mg in glass bottle

Biochem/physiol Actions

Clemastine fumarate is an antihistamine H1-antagonist and anticholinergic that also has antipruritic activity.

Features and Benefits

This compound is featured on the Histamine Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.


NONH for all modes of transport

WGK Germany


Flash Point F

Not applicable

Flash Point C

Not applicable

Annemarie B Lüchinger et al.
The American journal of the medical sciences, 341(3), 240-242 (2011-01-15)
Anaphylactic reactions to gonadotropin-releasing hormone (GnRH) agonists are exceedingly rare, but if they occur, they can be life threatening. This case describes a 33-year-old patient with endometriosis who developed an acute allergic reaction on leuprolide (Lucrin) administration. Although skin tests...
Wafaa S Hassan et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 69(1), 245-255 (2007-06-08)
Two rapid, simple and sensitive extractive specrophotometric methods has been developed for the determination of three histamine H1-antagonists drugs, e.g., chlorphenoxamine hydrochloride (CPX), diphenhydramine hydrochloride (DPH) and clemastine (CMT) in bulk and in their pharmaceutical formulations. The first method depend...
Clemastine fumarate as a remyelinating therapy for multiple sclerosis (ReBUILD): a randomised, controlled, double-blind, crossover trial
Green AJ, et al.
Lancet, 390(10111), 2481-2489 (2017)
Zhiyong Xie et al.
Journal of pharmaceutical and biomedical analysis, 44(4), 924-930 (2007-05-04)
A sensitive high-performance liquid chromatography-tandem mass spectrometry (LC/MS/MS) method was developed and validated for the determination of clemastine in human plasma. After having been extracted from plasma samples by ethyl acetate, clemastine and internal standard, diphenhydramine, were separated on a...
Effectiveness of clemastine fumarate for treatment of rhinorrhea and sneezing associated with the common cold
Turner RB, et al.
Clinical Infectious Diseases, 25(4), 824-830 (1997)
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