4158 Strophanthidin k-Strophanthidin is a cardenolide found in species of the genus Strophanthus. It is the aglycone of k-strophanthin, an analogue of ouabain. k-strophanthin is found in the ripe seeds of Strophanthus komb and in the lily Convallaria. 66-28-4 6185 C23H32O6 White powder. No indication of carcinogenicity to humans (not listed by IARC). k-Strophanthidin is a cardenolide found in species of the genus Strophanthus. k-strophanthin is found in the ripe seeds of Strophanthus komb and in the lily Convallaria. 2014-08-29T05:09:35Z 2026-05-20T20:17:11Z C19988 CHEBI:38178 true [H][C@@]1(CC[C@]2(O)[C@]3([H])CC[C@]4(O)C[C@@]([H])(O)CC[C@]4(C=O)[C@@]3([H])CC[C@]12C)C1=CC(=O)OC1 C23H32O6 InChI=1S/C23H32O6/c1-20-6-3-17-18(4-8-22(27)11-15(25)2-7-21(17,22)13-24)23(20,28)9-5-16(20)14-10-19(26)29-12-14/h10,13,15-18,25,27-28H,2-9,11-12H2,1H3/t15-,16+,17-,18+,20+,21-,22-,23-/m0/s1 ODJLBQGVINUMMR-HZXDTFASSA-N 404.4966 404.219888756 Exogenous Solid CHEMBL111743 5950 CHEM003064 NS00010436 104.06 105.91689999999998 43.34249881536591 2 5 3 7.182636131216869 0.2689601481734716 0 5 1.41 -3.23 2.37e-01 g/l