| Title:  Moricizine CAS Registry Number:  31883-05-3 CAS Name:  [10-[3-(4-Morpholinyl)-1-oxopropyl]-10H-phenothiazin-2-yl]carbamic acid ethyl ester Additional Names:  10-(3-morpholinopropionyl)phenothiazine-2-carbamic acid ethyl ester;  ethmosine;  ethmozin;  moracizine Manufacturers' Codes:  EN-313 Molecular Formula:  C22H25N3O4S Molecular Weight:  427.52 Percent Composition:  C 61.81%, H 5.89%, N 9.83%, O 14.97%, S 7.50% Literature References:  Sodium channel blocker.  Prepn:  A. Gritsenko et al., DE 2014201 (1971 to Acad. Med. Sci., USSR), C.A. 76, 34273a (1972); eidem, US 3740395 (1973).  Pharmacology and toxicity:  N. V. Kaverina et al., Russ. Pharmacol. Toxicol. 35, 74 (1972).  Mechanism of action study:  T. Yamane et al., Br. J. Pharmacol. 108, 812 (1993).  HPLC determn in plasma:  C. C. Whitney et al., J. Pharm. Sci. 70, 462 (1981).  Symposium on pharmacology, pharmacokinetics, clinical safety and efficacy:  Am. J. Cardiol. 65, 1D-71D (1990).  Review:  C. A. Clyne et al., N. Engl. J. Med. 327, 255 (1992). Properties:  Crystals, mp 156-157°.  pKa 6.4. Melting point:  mp 156-157° pKa:  pKa 6.4   Derivative Type:  Hydrochloride  CAS Registry Number:  29560-58-5 Trademarks:  Ethmozine (Roberts) Molecular Formula:  C22H25N3O4S.HCl Molecular Weight:  463.98 Percent Composition:  C 56.95%, H 5.65%, N 9.06%, O 13.79%, S 6.91%, Cl 7.64% Properties:  Crystals from dichloroethane, mp 189° (dec).  Sol in water, alcohol.  LD50 in mice, rats (mg/kg):  36, 12 i.v.; in mice (mg/kg):  131 i.p. (Kaverina). Melting point:  mp 189° (dec) Toxicity data:  LD50 in mice, rats (mg/kg):  36, 12 i.v.; in mice (mg/kg):  131 i.p. (Kaverina)   Therap-Cat:  Antiarrhythmic (class I). Keywords:  Antiarrhythmic.  |