Title: Cinnarizine
CAS Registry Number: 298-57-7
CAS Name: 1-(Diphenylmethyl)-4-(3-phenyl-2-propenyl)piperazine
Synonyms: 1-cinnamyl-4-diphenylmethylpiperazine;
N-benzhydryl-
N¢-trans-cinnamylpiperazine; 1-
trans-cinnamyl-4-diphenylmethylpiperazine; 1-cinnamyl-4-benzhydrylpiperazine; 1-diphenylmethyl-4-
trans-cinnamylpiperazine; cinnipirine
Manufacturers' Codes: 516-MD
Trademarks: Aplactan (Eisai); Aplexal (Taiyo); Apotomin (Kowa); Artate (Nippon Chemiphar); Carecin (Zensei Yakuhin); Cerebolan (Tobishi); Cerepar (Mepha); Cinaperazine (Yakult); Cinazyn (Italchimici); Cinnacet (Schwarzhaupt); Cinnageron (Streuli); Corathiem (Ohta); Denapol (Nagase); Dimitron; Eglen (Tatsumi); Folcodal (Syncro); Giganten (Troponwerke); Glanil (Janssen); Hilactan (Kyoritsu); Ixertol (Rottendorf); Katoseran (Hishiyama); Labyrin; Midronal (Delalande); Mitronal (Searle); Olamin (Sigamed); Processine (Sanko); Sedatromin (Takata); Sepan (Janssen); Siptazin (Isei); Spaderizine (Kotobuki); Stugeron (Janssen); Stutgeron (Janssen); Stutgin; Toliman (Corvi)
Molecular Formula: C26H28N2
Molecular Weight: 368.51
Percent Composition: C 84.74%, H 7.66%, N 7.60%
Literature References: Calcium channel blocker with anti-allergic and anti-vasoconstricting activity. Prepn: Janssen,
US 2882271 (1959, Janssen). Pharmacology: Van Nueten, Janssen,
Arch. Int. Pharmacodyn. Ther. 204, 37 (1973). Metabolism: Soudijn, van Wijngaarden,
Life Sci. 7, 231 (1968). Clinical study in treatment of intermittent claudication: J. H. Barber
et al., Pharmatherapeutica 2, 401 (1980). Assessment of calcium antagonist effects: M. Spedding,
Arch. Pharmacol. 318, 234 (1982). HPLC determn in blood and plasma: M. Puttemans
et al., J. Liq. Chromatogr. 7, 2237 (1984). Comparison of clinical pharmacokinetics with other antihistamines: D. M. Paton, D. R. Webster,
Clin. Pharmacol. 10, 477-497 (1985).
Derivative Type: Hydrochloride
Molecular Formula: C26H28N2.HCl
Molecular Weight: 404.97
Percent Composition: C 77.11%, H 7.22%, N 6.92%, Cl 8.75%
Properties: mp 192° (dec). Soly in water: 2 mg/100 ml.
Melting point: mp 192° (dec)
Derivative Type: Mixture with vitamin B6
Trademarks: Emesazine
Therap-Cat: Antihistaminic. Vasodilator (peripheral, cerebral).
Keywords: Antihistaminic; Piperazines; Calcium Channel Blocker; Piperazine Derivatives; Vasodilator (Cerebral); Vasodilator (Peripheral).