| Title:  Tramadol CAS Registry Number:  27203-92-5 CAS Name:  (1R,2R)-rel-2-[(Dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol Manufacturers' Codes:  E-265;  CG-315E;  U-26225A Molecular Formula:  C16H25NO2 Molecular Weight:  263.38 Percent Composition:  C 72.96%, H 9.57%, N 5.32%, O 12.15% Literature References:  Prepn:  GB 997399; K. Flick, E. Frankus, US 3652589 (1965, 1972 both to Grünenthal); K. Flick et al., Arzneim.-Forsch. 28, 107 (1978).  Series of articles on pharmacology and clinical studies:  ibid. 114-219.  Toxicology:  F. Lagler et al., ibid. 164.  Mechanism of action study:  R. B. Raffa et al., J. Pharmacol. Exp. Ther. 267, 331 (1993).  HPLC determn in urine:  B. Elsing, G. Blaschke, J. Chromatogr. 612, 223 (1993).  HPLC determn in plasma and pharmacokinetics:  A. Küçük et al., J. Chromatogr. B 816, 203 (2005).  Symposium on pharmacology and clinical experience:  Drugs 47, Suppl. 1, 1-46 (1994).   Derivative Type:  Hydrochloride  CAS Registry Number:  22204-88-2 Trademarks:  Amadol (TAD);  Contramal (Grñenthal);  Crispin (Kowa);  Tradonal (Viatris);  Tramal (Grñenthal);  Ultram (Ortho);  Zamadol (Viatris);  Zydol (Searle) Molecular Formula:  C16H25NO2.HCl Molecular Weight:  299.84 Percent Composition:  C 64.09%, H 8.74%, N 4.67%, O 10.67%, Cl 11.82% Properties:  White crystals, mp 180-181°.  Sol in water.  LD50 in mice, rats (mg/kg):  350, 228 orally; 200, 286 s.c. (Lagler). Melting point:  mp 180-181° Toxicity data:  LD50 in mice, rats (mg/kg):  350, 228 orally; 200, 286 s.c. (Lagler)   Therap-Cat:  Analgesic. Keywords:  Analgesic (Non-Narcotic).  |