kaurenoic acid kaurenoic acid kaurenoic acid names iupac name 5β,8α,9β,10α,13α-kaur-16-en-18-oic acid systematic iupac name (4r,4as,6as,9r,11ar,11bs)-4,11b-dimethyl-8-methylidenetetradecahydro-6a,9-methanocycloheptanaphthalene-4-carboxylic acid other names cunabic acidkaurenic acid identifiers cas number 6730-83-2 y 3d model (jsmol) interactive image beilstein reference 10784819 chebi chebi:15417 chembl chembl489140 chemspider 21258059 kegg c11874 pubchem cid 73062 unii d572d9r2tz y inchi inchi=1s/c20h30o2/c1-13-11-20-10-7-15-18(2,16(20)6-5-14(13)12-20)8-4-9-19(15,3)17(21)22/h14-16h,1,4-12h2,2-3h3,(h,21,22)/t14-,15+,16+,18-,19-,20-/m1/s1key: nikhguqulkyige-otcxfqbhsa-n smiles c=c1c23cc4()(c(o)=o)(c)ccc4(c)2()cc1c3 properties chemical formula c20h30o2 molar mass 302.45 pharmacology atc code m09ax05 (who) except where otherwise noted, data are given for materials in their standard state (at 25 °c , 100 kpa). infobox references kaurenoic acid (ent-kaur-16-en-19-oic acid or kauren-19-oic acid) is a diterpene with antibacterial activity against gram-positive bacteria. however its low solubility and blood lytic activity on erythrocytes might make it a poor pharmaceutical candidate. kaurenoic acid also has uterine relaxant activity via calcium blockade and opening atp-sensitive potassium channels. kaurenoic acid is found in several plants such as copaifera. it is a potential biomarker for the presence of sunflower in foods. medical use kaurenoic acid has been studied for its medicinal properties and seems to have anti-inflammatory, antiulcerogenic, antitumor, antinociceptive, antimelanoma, antitilipoperoxidation, antioxidant and antimicrobial properties. kaurenoic acid decreases leukocyte migration. it seems to inhibit histamine and serotonin pathways, in addition to antiprotozoal activities against trypanosoma cruzi and leishmania amazonensis.