has parent hydride alpha-amyrin (3beta)-urs-12-en-3-ol 4,4,6a,6b,8a,11,12,14b-octamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydropicen-3-ol 426.71740 5alpha-urs-12-en-3beta-ol A pentacyclic triterpenoid that is ursane which contains a double bond between positions 12 and 13 and in which the hydrogen at the 3beta position is substituted by a hydroxy group. C30H50O CAS:638-95-9 CHEBI:10213 FSLPMRQHCOLESF-SFMCKYFRSA-N InChI=1S/C30H50O/c1-19-11-14-27(5)17-18-29(7)21(25(27)20(19)2)9-10-23-28(6)15-13-24(31)26(3,4)22(28)12-16-30(23,29)8/h9,19-20,22-25,31H,10-18H2,1-8H3/t19-,20+,22+,23-,24+,25+,27-,28+,29-,30-/m1/s1 KEGG:C08615 KNApSAcK:C00003737 LIPID_MAPS_instance:LMPR0106170001 MetaCyc:CPD-8250 PMID:10848960 PMID:15626726 PMID:15659316 PMID:18129592 PMID:19488928 PMID:21575133 Reaxys:1916550 [H][C@@]12CC[C@]3(C)[C@]([H])(CC=C4[C@]5([H])[C@@H](C)[C@H](C)CC[C@]5(C)CC[C@@]34C)[C@@]1(C)CC[C@H](O)C2(C)C alpha-Amyrin alpha-amyrenol alpha-amyrin alpha-amyrine chebi_ontology urs-12-ene-3beta-ol viminalol pentacyclic triterpenoid secondary alcohol ursane