Title: Metanephrine
CAS Registry Number: 5001-33-2
CAS Name: 4-Hydroxy-3-methoxy-a-(methylaminomethyl)benzenemethanol
Additional Names: a-(methylaminomethyl)vanillyl alcohol; 3-O-methylepinephrine; 3-O-methyladrenaline; 1-(4-hydroxy-3-methoxyphenyl)-2-methylaminoethanol
Molecular Formula: C10H15NO3
Molecular Weight: 197.23
Percent Composition: C 60.90%, H 7.67%, N 7.10%, O 24.34%
Literature References: A naturally occurring derivative of epinephrine, found in the urine and in certain tissues. Various methods of prepn: Külz, Hornung, DE 682394 (1939); Chem. Zentralbl. 1940, I, 1078, C.A. 36, 3011 (1942); Axelrod et al., J. Biol. Chem. 233, 697 (1958); Heacock, Hutzinger, Chem. Ind. (London) 1961, 595.
Derivative Type: dl-Form hydrochloride
Molecular Formula: C10H15NO3.HCl
Molecular Weight: 233.69
Percent Composition: C 51.40%, H 6.90%, N 5.99%, O 20.54%, Cl 15.17%
Properties: Prisms from ethanol + ether (also reported as crystals from dil acetone). Dec 175°. uv max (ethanol): 231, 280 nm (e 7600, 3100).
Absorption maximum: uv max (ethanol): 231, 280 nm (e 7600, 3100)
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