retinal 13-cis-retinal 0 284.21402 284.443 (2Z,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-1-en-1-yl)nona-2,4,6,8-tetraenal lipidmaps:LMPR01090018 13-cis-retinal NCYCYZXNIZJOKI-HWCYFHEPSA-N chebi_ontology CHEBI:45487 metacyc.compound:CPD-13525 (13cis)-retinal beilstein:1914182 A retinal in which the double bond α- to the aldehyde group has <i>cis</i> configuration, whilst the remaining acyclic double bonds have <i>trans</i> configuration. C20H28O InChI=1S/C20H28O/c1-16(8-6-9-17(2)13-15-21)11-12-19-18(3)10-7-14-20(19,4)5/h6,8-9,11-13,15H,7,10,14H2,1-5H3/b9-6+,12-11+,16-8+,17-13- 13-cis-retinaldehyde [H]C(=O)/C=C(C)C=CC=C(C)C=CC1=C(C)CCCC1(C)C 13-cis-retinal RETINAL cas:472-86-6