Vaccenic acid

[CH3(CH2)5CH==CH(CH2)9COOH; n-trans-11-octadecenoic acid;an unsaturated fatty acid of which both cis and trans isomers are found in butter and other animal fats.

InChI: InChI=1/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h7-8H,2-6,9-17H2,1H3,(H,19,20)/b8-7+

InChIKey: InChIKey=UWHZIFQPPBDJPM-BQYQJAHWBK
SMILES: CCCCCC\C=C\CCCCCCCCCC(O)=O

CAS number 693-72-1

Names:
    trans-vaccenic acid
    trans-11-Octadecenoic acid
    Vaccenic acid
    (E)-11-octadecenoic acid
    (11E)-Octadecenoic acid

Registries:
    PubChem CID 5281127
    Beilstein =1726566
    CAS 693-72-1 (from NIST)
    ChEBI 28727
    Kegg C08367
    PubChem ID 10563