Description
Clemastine Fumarate (Clemastine) is a selective histamine H1 receptor antagonist with IC50 of 3 nM.
Synonyms
Agasten; Tavist; Mecloprodine; (2R)-2-[2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine fumarate
IUPAC Name
(E)-but-2-enedioic acid;(2R)-2-[2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl]-1-methylpyrrolidine
Molecular Formula
C21H26ClNO.C4H4O4
Canonical SMILES
CC(C1=CC=CC=C1)(C2=CC=C(C=C2)Cl)OCCC3CCCN3C.C(=CC(=O)O)C(=O)O
InChI
InChI=1S/C21H26ClNO.C4H4O4/c1-21(17-7-4-3-5-8-17,18-10-12-19(22)13-11-18)24-16-14-20-9-6-15-23(20)2;5-3(6)1-2-4(7)8/h3-5,7-8,10-13,20H,6,9,14-16H2,1-2H3;1-2H,(H,5,6)(H,7,8)/b;2-1+/t20-,21-;/m1./s1
InChIKey
PMGQWSIVQFOFOQ-YKVZVUFRSA-N
Boiling Point
154 °C at 0.02 mm Hg
Solubility
Very slightly soluble in water and sparingly soluble in alcohol.
Appearance
White or off-white crystalline power
Application
Anti-Allergic Agents