www.chrombox.org

DIU-949 / 18:2 NMI / t11,c15-18:2

Names: Methyl (11E,15Z)-octadeca-11,15-dienoate;  (11E,15Z)-Octadeca-11,15-dienoic acid methyl ester;  (E,Z)-11,15-Octadecadienoic acid methyl ester;  11E,15Z-Octadecadienoic acid methyl ester;  trans-11, cis-15-Octadecadienoic acid methyl ester

Formula: C19H34O2

Molar mass: 294.476 Da

Monoisotopic mass: 294.256 Da

SMILES: CC/C=C\CC/C=C/CCCCCCCCCC(=O)OC

InChI Key: QOHGTAHMYUIRDK-FTGFODROSA-N

InChI: 1S/C19H34O2/c1-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19(20)21-2/h4-5,8-9H,3,6-7,10-18H2,1-2H3/b5-4-,9-8+

Typical retention indexes:
- ECL on BPX70: 18.996
- ECL on Wax: 18.791
- ECL on 5% phenyl: 17.873
- KI on Wax: 2502
- KI on 5% phenyl: 2115

Additional information:
t11,c15-18:2 is reported in S.G.B. Svensson et al., J. Aquaculture 608 (2025) 742746 and may be formed from c5,c8,c11,c14,c17-20:5 (20:5 n-3) by mechanisms outlined in H. Sakurama et al., J. Lipid Res. 55 (2014) 1855-1863.

Non-derivatized:

Names: (11E,15Z)-Octadeca-11,15-dienoic acid;  (E,Z)-11,15-Octadecadienoic acid;  11E,15Z-Octadecadienoic acid;  trans-11, cis-15-Octadecadienoic acid

Formula: C18H32O2

Molar mass: 280.450 Da

SMILES: CC\C=C/CC\C=C\CCCCCCCCCC(O)=O

InChI Key: HHELYEVVXBEXIZ-ODYTWBPASA-N

InChI: 1S/C18H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h3-4,7-8H,2,5-6,9-17H2,1H3,(H,19,20)/b4-3-,8-7+

Lipid Maps code: LMFA02000300



Data are acquired on Agilent 5972, 5973 and 5975 instruments at Nofima, Institute of Marine Research and University of Bergen.
Molecular structures are created in Open Babel.