Toxopyrimidine
Title: Toxopyrimidine
CAS Registry Number: 73-67-6
CAS Name: 4-Amino-2-methyl-5-pyrimidinemethanol
Additional Names: 6-amino-5-hydroxymethyl-2-methylpyrimidine; 4-amino-5-hydroxymethyl-2-methylpyrimidine; pyramin; pyramine
Molecular Formula: C6H9N3O
Molecular Weight: 139.16
Percent Composition: C 51.79%, H 6.52%, N 30.20%, O 11.50%
Literature References: A metabolite of thiamine. Prepd from 4-amino-5-aminomethyl-2-methylpyrimidine dihydrochloride or ethyl 4-amino-2-methyl-5-pyrimidinecarboxylate: Dornow, Petsch, Ber. 86, 1404 (1953); DiBella, Hennessy, J. Org. Chem. 26, 2017 (1961).
Properties: Needles from water, mp 193-198°; crystals from methanol + ether, mp 198-200°. Sublimes at 0.01 mm between 155-170°.
Melting point: mp 193-198°; mp 198-200°

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