Ricinine

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Ricinine
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Names
Preferred IUPAC name
4-Methoxy-1-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile
Other names
3-cyano-4-methoxy-N-methyl-2-pyridone
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
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EC Number
  • 208-359-7
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KEGG
UNII
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  • InChI=1S/C8H8N2O2/c1-10-4-3-7(12-2)6(5-9)8(10)11/h3-4H,1-2H3
    Key: PETSAYFQSGAEQY-UHFFFAOYSA-N
  • Cn1ccc(c(c1=O)C#N)OC
Properties
C8H8N2O2
Molar mass 164.164 g·mol−1
Melting point 200 °C (392 °F; 473 K)
Hazards
Lethal dose or concentration (LD, LC):
340 mg/kg[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Ricinine is a toxic alkaloid found in the castor plant.[2] It can serve as a biomarker of ricin poisoning.[3][4] It was first isolated from the castor seeds by Tuson in 1864.[5][6]

Ricinine has insecticidal effects.[7]

It sublimes between 170 and 180 °C at 20 mmHg. It does not form salts, and is precipitated in iodine or mercuric chloride solutions, but not in Mayer's reagent.[5]

It can be hydrolyzed to methanol and ricininic acid by alkali.[5]

See also

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References

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