Title: Detomidine
CAS Registry Number: 76631-46-4
CAS Name: 4-[(2,3-Dimethylphenyl)methyl]-1
H-imidazole
Synonyms: 4-(2¢,3¢-dimethylbenzyl)imidazole
Molecular Formula: C12H14N2
Molecular Weight: 186.25
Percent Composition: C 77.38%, H 7.58%, N 15.04%
Literature References: a2-Adrenoceptor agonist with sedative and analgesic activity. Prepn: A. J. Karjalayne, K. O. A. Kurkela,
EP 24829;
eidem, US 4443466 (1981, 1984 both to Farmos). Physical studies: E. Laine
et al., Acta Pharm. Suec. 20, 451 (1983). Crystal structure: L. H. J. Lajunen
et al., ibid. 21, 163 (1984). Pharmacology: R. Virtanen, L. Nyman,
Eur. J. Pharmacol. 108, 163 (1985); R. Virtanen, E. MacDonald,
ibid. 115, 277 (1985). Mechanism of action:
eidem, J. Vet. Pharmacol. Ther. 8, 30 (1985).
Properties: Crystals from acetone, mp 114-116°. LD50 i.v. in mice: 35 mg/kg (Karjalayne, Kurkela).
Melting point: mp 114-116°
Toxicity data: LD50 i.v. in mice: 35 mg/kg (Karjalayne, Kurkela)
Derivative Type: Hydrochloride
Trademarks: Domosedan (Farmos)
Molecular Formula: C12H14N2.HCl
Molecular Weight: 222.71
Percent Composition: C 64.72%, H 6.79%, N 12.58%, Cl 15.92%
Properties: Crystals, mp 160°. Converts reversibly to monohydrate at room temp, 80% humidity.
Melting point: mp 160°
Therap-Cat-Vet: Sedative.