4124 Gelsemicine Gelsemicine is an indole alkaloid toxin isolated from Gelsemium Sempervirens, a North American poison plant. It is extremely toxic. 6887-28-1 5462428 C20H26N2O4 White powder. No indication of carcinogenicity to humans (not listed by IARC). Gelsemicine is an indole alkaloid toxin isolated from Gelsemium Sempervirens, a North American poison plant. 2014-08-29T05:02:33Z 2026-05-21T01:44:43Z C09203 true [H][C@]1(CC)N[C@@]2([H])C[C@@]3(C(=O)N(OC)C4=C3C=CC(OC)=C4)[C@@]3([H])C[C@]1([H])[C@]2([H])CO3 C20H26N2O4 InChI=1S/C20H26N2O4/c1-4-15-12-8-18-20(9-16(21-15)13(12)10-26-18)14-6-5-11(24-2)7-17(14)22(25-3)19(20)23/h5-7,12-13,15-16,18,21H,4,8-10H2,1-3H3/t12-,13+,15-,16+,18-,20+/m1/s1 RIHQHYIWKHVLRH-XKTBTPLDSA-N 358.4314 358.18925733 Exogenous Solid CHEMBL523430 4575403 CHEM003030 DTXSID20420145 NS00094660 60.030000000000015 95.68179999999998 38.61923228550686 3 5 1 11.301074357481543 1 5 1.83 -3.48 1.18e-01 g/l