long-chain fatty acid branched-chain saturated fatty acid pristanic acid 2,6,10,14-Tetramethyl-pentadecansaeure 2,6,10,14-tetramethylpentadecanoic acid 2,6,10,14-tetramethylpentadecylic acid 298.287 298.50382 A branched, long-chain saturated fatty acid composed of pentadecanoic acid having methyl substituents at the 2-, 6-, 10- and 14-positions. C19H38O2 CAS:1189-37-3 CC(C)CCCC(C)CCCC(C)CCCC(C)C(O)=O CHEBI:51340 InChI=1S/C19H38O2/c1-15(2)9-6-10-16(3)11-7-12-17(4)13-8-14-18(5)19(20)21/h15-18H,6-14H2,1-5H3,(H,20,21) LIPID_MAPS_instance:LMFA01020250 MetaCyc:PRISTANATE PAHGJZDQXIOYTH-UHFFFAOYSA-N PMID:11861706 PMID:9819701 Pristaninsaeure Reaxys:1786841 acide pristanique acido pristanico chebi_ontology methyl-branched fatty acid