4129 Methylconiine N-Methylconiine is a poisonous alkaloid found in poison hemlock in small quantities. 35305-13-6 169683 C9H19N White powder. No indication of carcinogenicity to humans (not listed by IARC). N-Methylconiine is a poisonous alkaloid found in poison hemlock in small quantities. 2014-08-29T05:03:14Z 2026-05-21T00:18:19Z C10159 CHEBI:32 true [H][C@]1(CCC)CCCCN1C C9H19N InChI=1S/C9H19N/c1-3-6-9-7-4-5-8-10(9)2/h9H,3-8H2,1-2H3/t9-/m0/s1 CUBHREGSQFAWDJ-VIFPVBQESA-N 141.2539 141.151749613 Exogenous Solid 148393 CHEM003035 DTXSID10896911 NS00075387 3.24 45.6739 18.395584855746925 2 1 0 10.306347315784153 1 1 2.88 -1.66 3.07e+00 g/l