Ricinine
Title: Ricinine
CAS Registry Number: 524-40-3
CAS Name: 1,2-Dihydro-4-methoxy-1-methyl-2-oxo-3-pyridinecarbonitrile
Additional Names: 1,2-dihydro-4-methoxy-1-methyl-2-oxonicotinonitrile; ricidine
Molecular Formula: C8H8N2O2
Molecular Weight: 164.16
Percent Composition: C 58.53%, H 4.91%, N 17.06%, O 19.49%
Literature References: From seeds and leaves of the castor plant, Ricinus communis L., Euphorbiaceae. Extraction procedure: Böttcher, Ber. 51, 673 (1918). Synthesis starting with polymerization of cyanoacetyl chloride: Schroeter et al., Ber. 65, 432 (1932). Biosynthesis: Waller, Henderson, J. Biol. Chem. 236, 1186 (1961); Essery et al., Can. J. Chem. 41, 1142 (1963).
Properties: Prisms, needles from alc, mp 201.5°. Sublimes at 170-180° under 20 mm pressure. Sparingly sol in water, alc, chloroform, ether. Neutral to litmus. Does not form salts with acids.
Melting point: mp 201.5°
CAUTION: Ingestion may cause nausea, vomiting, hemorrhagic gastroenteritis, hepatic and renal damage, convulsions, coma, hypotension, respiratory depression, death.

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