| Title:  Chloroquine CAS Registry Number:  54-05-7 CAS Name:  N4-(7-Chloro-4-quinolinyl)-N1,N1-diethyl-1,4-pentanediamine Additional Names:  7-chloro-4-(4-diethylamino-1-methylbutylamino)quinoline Manufacturers' Codes:  SN-7618;  RP-3377 Molecular Formula:  C18H26ClN3 Molecular Weight:  319.87 Percent Composition:  C 67.59%, H 8.19%, Cl 11.08%, N 13.14% Literature References:  Prepd by the condensation of 4,7-dichloroquinoline with 1-diethylamino-4-aminopentane:  DE 683692 (1939); H. Andersag et al., US 2233970 (1941 to Winthrop); Surrey, Hammer, J. Am. Chem. Soc. 68, 113 (1946).  Review:  Hahn in Antibiotics vol. 3, J. W. Corcoran, F. E. Hahn, Eds. (Springer-Verlag, New York, 1975) pp 58-78.  Comprehensive description:  D. D. Hong, Anal. Profiles Drug Subs. 5, 61-85 (1976).  Comparative clinical trial with dapsone in rheumatoid arthritis:  P. D. Fowler et al., Ann. Rheum. Dis. 43, 200 (1984); with penicillamine:  T. Gibson et al., Br. J. Rheumatol. 26, 279 (1987). Properties:  mp 87°. Melting point:  mp 87°   Derivative Type:  Diphosphate  CAS Registry Number:  50-63-5 Trademarks:  Arechin (Polfa);  Avloclor (AstraZeneca);  Malaquin (Ahn Gook);  Resochin (Bayer) Molecular Formula:  C18H26ClN3.2H3PO4 Molecular Weight:  515.86 Percent Composition:  C 41.91%, H 6.25%, Cl 6.87%, N 8.15%, P 12.01%, O 24.81% Properties:  Bitter, colorless crystals.  Dimorphic.  One modification, mp 193-195°; the other, mp 215-218°.  Freely sol in water; pH of 1% soln about 4.5; less sol at neutral and alkaline pH.  Stable to heat in solns of pH 4.0 to 6.5.  Practically insol in alcohol, benzene, chloroform, ether. Melting point:  mp 193-195°; mp 215-218°   Derivative Type:  Sulfate  CAS Registry Number:  132-73-0 Trademarks:  Aralen (Sanofi-Synthelabo);  Nivaquine (Aventis) Molecular Formula:  C18H26ClN3.H2SO4 Molecular Weight:  417.95 Percent Composition:  C 51.73%, H 6.75%, Cl 8.48%, N 10.05%, S 7.67%, O 15.31%   Therap-Cat:  Antimalarial; antiamebic; antirheumatic.  Lupus erythematosus suppressant. Keywords:  Antiamebic; Antiarthritic/Antirheumatic; Antimalarial; Lupus Erythematosus Suppressant.  |