Title: Chlorphenoxamine
CAS Registry Number: 77-38-3
CAS Name: 2-[1-(4-Chlorophenyl)-1-phenylethoxy]-N,N-dimethylethanamine
Additional Names: 2-[(p-chloro-a-methyl-a-phenylbenzyl)oxy]-N,N-dimethylethylamine; b-dimethylaminoethyl (p-chloro-a-methylbenzhydryl) ether; [1-(p-chlorophenyl)-1-phenyl]ethyl (b-dimethylaminoethyl) ether
Molecular Formula: C18H22ClNO
Molecular Weight: 303.83
Percent Composition: C 71.16%, H 7.30%, Cl 11.67%, N 4.61%, O 5.27%
Literature References: Prepn: Arnold et al., US 2785202 (1957 to Asta-Werke). Synthesis: G. Cahiez et al., Tetrahedron Lett. 29, 3659 (1988). Pharmacology: eidem, Arzneim.-Forsch. 4, 189 (1954); Brock et al., ibid. 262. Toxicity studies: Kerley et al., Toxicol. Appl. Pharmacol. 4, 638 (1962). Metabolism: C. Koppel et al., Arzneim.-Forsch. 37, 1062 (1987). GC-MS determn in urine: H. Maurer, K. Pfleger, J. Chromatogr. 428, 43 (1988).
Properties: bp0.05 150-155°.
Boiling point: bp0.05 150-155°
Derivative Type: Hydrochloride
CAS Registry Number: 562-09-4
Trademarks: Clorevan (Bago); Systral (Viatris)
Molecular Formula: C18H22ClNO.HCl
Molecular Weight: 340.29
Percent Composition: C 63.53%, H 6.81%, Cl 20.84%, N 4.12%, O 4.70%
Properties: Needles, mp 128°. Soluble in water; aq solns are stable.
Melting point: mp 128°
Therap-Cat: Antihistaminic.
Keywords: Antihistaminic; Aminoalkylethers.
Chlorphentermine Chlorproethazine Chlorproguanil Chlorpropamide Chlorpropham

Systematic (IUPAC) name
Clinical data
AHFS/ International Drug Names
Legal status  ?
Routes Oral, topical
Pharmacokinetic data
Bioavailability Well absorbed
Metabolism Likely hepatic
Excretion Renal
CAS number 77-38-3 562-09-4
ATC code D04AA34 R06AA06
PubChem CID 6475
ChemSpider 6230 YesY
KEGG D07198 YesY
Chemical data
Formula C18H22ClNO 
Mol. mass 303.826 g/mol
 YesY (what is this?)  (verify)

Chlorphenoxamine (Phenoxene) is an antihistamine and anticholinergic used as an antipruritic[1] and antiparkinsonian[2] agent.