triterpenoid diosgenin diosgenin PMID:22837815 InChI=1S/C27H42O3/c1-16-7-12-27(29-15-16)17(2)24-23(30-27)14-22-20-6-5-18-13-19(28)8-10-25(18,3)21(20)9-11-26(22,24)4/h5,16-17,19-24,28H,6-15H2,1-4H3/t16-,17+,19+,20-,21+,22+,23+,24+,25+,26+,27-/m1/s1 PMID:22754381 PMID:22719792 (3beta,25R)-spirost-5-en-3-ol WQLVFSAGQJTQCK-VKROHFNGSA-N CAS:512-04-9 diosgenin KEGG:C08898 nitogenin PMID:22266324 A sapogenin that is spirostan which is substituted by a hydroxy group at the 3beta position, contains a double bond at the 5-6 position, and has R- configuration at position 25. A natural product found in Dioscorea (wild yam) species, it is used as the starting point for the commercial synthesis of a number of steroids, including cortisone, pregnenolone and progesterone. chebi_ontology PMID:23423339 PMID:23302635 PMID:20622501 Patent:US3019220 PMID:21990007 [H][C@]12C[C@@]3([H])[C@]4([H])CC=C5C[C@@H](O)CC[C@]5(C)[C@@]4([H])CC[C@]3(C)[C@@]1([H])[C@H](C)[C@@]1(CC[C@@H](C)CO1)O2 PMID:23246979 LIPID_MAPS_instance:LMST01080037 Wikipedia:Diosgenin PMID:22901014 PMID:22904823 414.62060 KNApSAcK:C00003576 PMID:21391660 CHEBI:4629 (25R)-spirost-5-en-3beta-ol C27H42O3 414.31340 CHEBI:67838 Reaxys:94582 (20R,25R)-spirost-5-en-3beta-ol 0