Structural Formula Vector Image
Title: Morpheridine
CAS Registry Number: 469-81-8
CAS Name: 1-[2-(Morpholinyl)ethyl]-4-phenyl-4-piperidinecarboxylic acid ethyl ester
Additional Names: 1-(2-morpholinoethyl)-4-phenylisonipecotic acid ethyl ester; ethyl 1-(2¢-morpholinoethyl)-4-phenylpiperidine-4-carboxylate; morpholinoethyl norpethidine
Molecular Formula: C20H30N2O3
Molecular Weight: 346.46
Percent Composition: C 69.33%, H 8.73%, N 8.09%, O 13.85%
Literature References: Prepn: Anderson et al., J. Chem. Soc. 1956, 4088; Stern, Anderson, US 2795581 (1957 to J. F. Macfarlan). HPLC determn: I. Jane, A. McKinnon, J. Chromatogr. 323, 191 (1985). Analgesic activity in rats: R. A. Millar, R. P. Stephenson, Br. J. Pharmacol. 11, 27 (1956). Pharmacology: A. F. Green, N. B. Ward, ibid. 32.
Properties: Liquid. bp0.5 188-192°. nD18 1.5276.
Boiling point: bp0.5 188-192°
Index of refraction: nD18 1.5276
Derivative Type: Dihydrochloride
Manufacturers' Codes: TA-1
Molecular Formula: C20H30N2O3.2HCl
Molecular Weight: 419.39
Percent Composition: C 57.28%, H 7.69%, N 6.68%, O 11.44%, Cl 16.91%
Properties: Crystals from dil ethanol, mp 264-266° (dec). LD50 in mice (mg/kg): 45 i.v. (Green, Ward); 118 i.p. (Millar, Stephenson).
Melting point: mp 264-266° (dec)
Toxicity data: LD50 in mice (mg/kg): 45 i.v. (Green, Ward); 118 i.p. (Millar, Stephenson)
NOTE: This is a controlled substance (opiate): 21 CFR, 1308.11.

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