| Title:  Hydrocodone CAS Registry Number:  125-29-1 CAS Name:  4,5-Epoxy-3-methoxy-17-methylmorphinan-6-one Additional Names:  dihydrocodeinone Trademarks:  Bekadid;  Dicodid (Knoll) Molecular Formula:  C18H21NO3 Molecular Weight:  299.36 Percent Composition:  C 72.22%, H 7.07%, N 4.68%, O 16.03% Literature References:  Prepn by hydrogenation of codeinone:  Mannich, Löwenheim, Arch. Pharm. 258, 295 (1920); by oxidation of dihydrocodeine, DE 415097 (1925 to E. Merck), Frdl. 15, 1518 (1925-1927); by catalytic rearrangement of codeine:  DE 623821.  Industrial prepn from dihydrocodeine:  K. Pfister, M. Tishler, US 2715626 (1955 to Merck & Co.).  Pharmacology and toxicity data:  N. B. Eddy, J. G. Reid, J. Pharmacol. Exp. Ther. 52, 468 (1934).  Brief description:  A. Stein, Pharmazie 10, 180 (1955).  Review:  Small, Lutz, "Chemistry of the Opium Alkaloids" in U.S. Public Health Reports Suppl. No. 103 (Washington, 1932). Properties:  Prisms from alcohol, mp 198°.  Sol in alcohol, dil acids.  Insol in water.  uv max:  280 nm (e 1310).  LD50 s.c. in mice:  85.7 mg/kg (Eddy, Reid). Melting point:  mp 198° Absorption maximum:  uv max:  280 nm (e 1310) Toxicity data:  LD50 s.c. in mice:  85.7 mg/kg (Eddy, Reid)   Derivative Type:  Hydrochloride monohydrate  Molecular Formula:  C18H21NO3.HCl.H2O Molecular Weight:  353.84 Percent Composition:  C 61.10%, H 6.84%, N 3.96%, O 18.09%, Cl 10.02% Properties:  Crystals, mp 185-186° dec.  [a]D27 -130° (c = 2.877).  Very sol in water. Melting point:  mp 185-186° dec Optical Rotation:  [a]D27 -130° (c = 2.877)   Derivative Type:  Bitartrate hemipentahydrate  CAS Registry Number:  34195-34-1 Trademarks:  Calmodid;  Codinovo;  Duodin;  Kolikodal;  Orthoxycol;  Mercodinone;  Synkonin;  Norgan;  Hydrokon Molecular Formula:  C18H21NO3.C4H6O6.2½H2O Molecular Weight:  494.49 Percent Composition:  C 53.44%, H 6.52%, N 2.83%, O 37.21% Properties:  Needles, mp 118-128°.  One gram dissolves in 16 ml water, in 150 g 95% ethanol.  Almost insol in ether, chloroform.  pH of a 2% aq soln about 3.6. Melting point:  mp 118-128°   Derivative Type:  Hydriodide  Molecular Formula:  C18H21NO3.HI Molecular Weight:  427.28 Percent Composition:  C 50.60%, H 5.19%, N 3.28%, O 11.23%, I 29.70% Properties:  mp 219-220°. Melting point:  mp 219-220°   Derivative Type:  Methiodide  Molecular Formula:  C18H21NO3.CH3I Molecular Weight:  441.30 Percent Composition:  C 51.71%, H 5.48%, N 3.17%, O 10.88%, I 28.76% Properties:  mp 250-255°. Melting point:  mp 250-255°   NOTE:  This is a controlled substance (opiate):  21 CFR, 1308.12. Therap-Cat:  Analgesic (narcotic); antitussive. Keywords:  Analgesic (Narcotic); Antitussive.  |