The following mass spectra of methyl ester derivatives of fatty acids can be accessed directly from the tabulated links below,
but no comments or interpretation are provided here as the general principles are discussed elsewhere.
As further spectra become available, they will be added as soon as is practicable.
The source of each fatty acid listed is listed and is that from which I obtained the spectrum in the course of my research efforts,
and this is not necessarily the best source.
Methyl esters of saturated straight-chain fatty acids (including those labelled with stable isotopes)
|
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| butyrate (4:0) |
102 |
|
|
| pentanoate (5:0) |
116 |
octadecanoate (18:0) |
298 |
| hexanoate (6:0) |
130 |
nonadecanoate (19:0) |
312 |
| heptanoate (7:0) |
144 |
eicosanoate (20:0) |
326 |
| octanoate (8:0) |
158 |
heneicosanoate (21:0) |
340 |
| nonanoate (9:0) |
172 |
docosanoate (22:0) |
354 |
| decanoate (10:0) |
186 |
tricosanoate (23:0) |
368 |
| undecanoate (11:0) |
200 |
tetracosanoate (24:0) |
382 |
| dodecanoate (12:0) |
214 |
pentacosanoate (25:0) |
396 |
| tridecanoate (13:0) |
228 |
hexacosanoate (26:0) |
410 |
| tetradecanoate (14:0) |
242 |
heptacosanoate (27:0) |
424 |
| pentadecanoate (15:0) |
256 |
octacosanoate (28:0) |
438 |
| hexadecanoate (16:0) |
270 |
nonacosanoate (29:0) |
452 |
| heptadecanoate (17:0) |
284 |
triacontanoate (30:0) |
466 |
| |
| 2,2-D-hexadecanoate (16:0) |
272 |
1-13C-octadecanoate (18:0) |
299 |
| 3,3-D-hexadecanoate (16:0) |
272 |
2-13C-hexadecanoate (16:0) |
271 |
| 4,4-D-hexadecanoate (16:0) |
272 |
| |
| 17,18-D-hexadecanoate (16:0) |
300 |
D35-octadecanoate (18:0) |
333 |
Methyl esters of saturated branched-chain fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 8-methyl-nonanoate (iso) |
186 |
18-methyl-eicosanoate (anteiso) |
340 |
| 8-methyl-decanoate (anteiso) |
200 |
| |
| 10-methyl-undecanoate (iso) |
214 |
20-methyl-heneicosanoate (iso) |
354 |
| 10-methyl-dodecanoate (anteiso) |
228 |
15-methyl-docosanoate |
368 |
| 11-methyl-dodecanoate (iso) |
228 |
20-methyl-docosanoate (anteiso) |
368 |
| 12-methyl-tridecanoate (iso) |
242 |
21-methyl-docosanoate (iso) |
368 |
| 3-methyl-tetradecanoate |
256 |
22-methyl-tricosanoate (iso) |
382 |
| 9-methyl-tetradecanoate |
256 |
17-methyl-tetracosanoate |
396 |
| 12-methyl-tetradecanoate (anteiso) |
256 |
18-methyl-tetracosanoate |
396 |
| 13-methyl-tetradecanoate (iso) |
256 |
22-methyl-tetracosanoate (anteiso) |
396 |
| 3-methyl-pentadecanoate |
270 |
23-methyl-tetracosanoate (iso) |
396 |
| 13-methyl-pentadecanoate (anteiso) |
270 |
|
|
| 14-methyl-pentadecanoate (iso) |
270 |
24-methyl-pentacosanoate (iso) |
410 |
| 3-methyl-hexadecanoate |
284 |
20-methyl-hexacosanoate |
424 |
| 10-methyl-hexadecanoate |
284 |
21-methyl-hexacosanoate |
424 |
| 14-methyl-hexadecanoate (anteiso) |
284 |
24-methyl-hexacosanoate (anteiso) |
424 |
| 15-methyl-hexadecanoate (iso) |
284 |
26-methyl-heptacosanoate (iso) |
438 |
| 10-methyl-heptadecanoate |
298 |
|
|
| 14-methyl-heptadecanoate |
298 |
|
|
| 16-methyl-heptadecanoate (iso) |
298 |
26-methyl-octacosanoate (anteiso) |
452 |
| 10-methyl-octadecanoate |
312 |
|
|
| 11-methyl-octadecanoate |
312 |
28-methyl-nonacosanoate (iso) |
466 |
| 16-methyl-octadecanoate (anteiso) |
312 |
28-methyl-triacontanoate (anteiso) |
480 |
| 17-methyl-octadecanoate (iso) |
312 |
30-methyl-hentriacontanoate (iso) |
494 |
| 18-methyl-nonadecanoate (iso) |
326 |
30-methyl-dotriacontanoate (anteiso) |
508 |
| 13-methyl-eicosanoate |
340 |
32-methyl-tritriacontanoate (iso) |
522 |
| 14-methyl-eicosanoate |
340 |
32-methyl-tetratriacontanoate (anteiso) |
536 |
| |
| 4,8,12-trimethyl-tridecanoate |
270 |
8,10-dimethyl-hexadecanoate |
298 |
| 2,6,10,14-tetramethyl-pentadecanoate (pristanate) |
312 |
3,7,11,15-tetramethyl-hexadecanoate (phytanate) |
326 |
Methyl esters of monoenoic fatty acids (including dimethyl disulfide adducts) |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 9-dodecenoate (9-12:1) |
212 |
7-nonadecenoate (7-19:1) |
310 |
| 9-tetradecenoate (9-14:1) |
240 |
11-nonadecenoate (11-19:1) |
310 |
| 13-tetradecenoate (13-14:1) |
204 |
|
|
| 3-trans-hexadecenoate |
268 |
5-eicosenoate (5-20:1) |
324 |
| 7-hexadecenoate (7-16:1) |
268 |
7-eicosenoate (7-20:1) |
324 |
| 9-hexadecenoate (9-16:1) |
268 |
9-eicosenoate (9-20:1) |
324 |
| 11-hexadecenoate (11-16:1) |
268 |
11-eicosenoate (11-20:1) |
324 |
| 8-heptadecenoate (8-17:1) |
282 |
13-eicosenoate (13-20:1) |
324 |
| 9-heptadecenoate (9-17:1) |
282 |
|
|
|
|
13-heneicosenoate (13-21:1) |
338 |
| 2-trans-octadecenoate (2t-18:1) |
296 |
|
|
| 3-trans-octadecenoate (3t-18:1) |
296 |
7-docosenoate (7-22:1) |
352 |
| 4-octadecenoate (4-18:1) |
296 |
11-docosenoate (11-22:1) |
352 |
| 5-octadecenoate (5-18:1) |
296 |
13-docosenoate (13-22:1) |
352 |
| 6-octadecenoate (6-18:1) |
296 |
|
|
| 7-octadecenoate (7-18:1) |
296 |
15-tetracosenoate (15-24:1) |
380 |
| 8-octadecenoate (8-18:1) |
296 |
16-pentacosenoate (16-25:1) |
394 |
| 9-octadecenoate (9-18:1) |
296 |
|
|
| 10-octadecenoate (10-18:1) |
296 |
17-hexacosenoate (17-26:1) |
408 |
| 11-octadecenoate (11-18:1) |
296 |
19-hexacosenoate (19-26:1) |
408 |
| 12-octadecenoate (12-18:1) |
296 |
19-octacosenoate (19-28:1) |
436 |
| 13-octadecenoate (13-18:1) |
296 |
21-triacontenoate (21-30:1) |
464 |
| 14-octadecenoate (14-18:1) |
296 |
|
|
| 15-octadecenoate (15-18:1) |
296 |
|
|
| 16-octadecenoate (16-18:1) |
296 |
|
|
| 17-octadecenoate (17-18:1) |
296 |
9-trans-octadecenoate (9t-18:1) |
296 |
| |
| 15-methyl-hexadec-9-enoate |
282 |
7-methyl-hexadec-6-enoate |
282 |
| 3,7,11,15-tetramethylhexadec-trans-2-enoate (phytenate) |
324 |
|
|
| |
| 9-octadecenoate (DMDS adduct) |
390 |
11-octadecenoate (DMDS adduct) |
390 |
Methyl esters of dienoic fatty acids (including MTAD adducts) |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 5,9-hexadecadienoate (5,9-16:2) |
266 |
7,12-octadecadienoate (7,12-18:2) |
294 |
| 7,10-hexadecadienoate (16:2(n-6)) |
266 |
9,11-octadecadienoate (9,11-18:2) |
294 |
| 9,12-hexadecadienoate (9,12-16:2) |
266 |
10,12-octadecadienoate (10,12-18:2) |
294 |
| |
|
5,8-nonadecadienoate (5,8-19:2) |
308 |
| 5,8-heptadecadienoate (5,8-17:2) |
280 |
9,12-nonadecadienoate (9,12-19:2) |
308 |
| 5,9-heptadecadienoate (5,9-17:2) |
280 |
10,13-nonadecadienoate (10,13-19:2) |
308 |
| 9,12-heptadecadienoate (9,12-17:2) |
280 |
11,13-nonadecadienoate (11,13-19:2) |
308 |
|
|
5,9-eicosadienoate (5,9-20:2) |
322 |
| 2,5-octadecadienoate (2,5-18:2) |
294 |
5,11-eicosadienoate (5,11-20:2) |
322 |
| 3,6-octadecadienoate (3,6-18:2) |
294 |
5,13-eicosadienoate (5,13-20:2) |
322 |
| 4,7-octadecadienoate (4,7-18:2) |
294 |
8,11-eicosadienoate (20:2(n-9)) |
322 |
| 5,8-octadecadienoate (5,8-18:2) |
294 |
11,14-eicosadienoate (20:2(n-6)) |
322 |
| 6,9-octadecadienoate (6,9-18:2) |
294 |
5,9-heneicosadienoate (5,9-21:2) |
336 |
| 7,10-octadecadienoate (7,10-18:2) |
294 |
|
|
| 8,11-octadecadienoate (8,11-18:2) |
294 |
5,9-docosadienoate (5,9-22:2) |
350 |
| 9,12-octadecadienoate (9,12-18:2 or 18:2(n-6)) |
294 |
5,13-docosadienoate (5,13-22:2) |
350 |
| 10,13-octadecadienoate (10,13-18:2) |
294 |
7,13-docosadienoate (7,13-22:2) |
350 |
| 11,14-octadecadienoate (11,14-18:2) |
294 |
7,15-docosadienoate (7,15-22:2) |
350 |
| 12,15-octadecadienoate (12,15-18:2) |
294 |
13,16-docosadienoate (22:2(n-6)) |
350 |
| 13,16-octadecadienoate (13,16-18:2) |
294 |
|
|
| 14,17-octadecadienoate (14,17-18:2) |
284 |
5,9-tricosadienoate (5,9-23:2) |
364 |
|
|
5,9-tetracosadienoate (5,9-24:2) |
378 |
| 3,9-octadecadienoate (3,9-18:2) |
294 |
15,18-tetracosadienoate (24:2(n-6)) |
378 |
| 5,9-octadecadienoate (5,9-18:2) |
294 |
5,9-pentacosadienoate (5,9-25:2) |
392 |
| 5,12-octadecadienoate (5,12-18:2) |
294 |
5,9-hexacosadienoate (5,9-26:2) |
406 |
| 6,10-octadecadienoate (6,10-18:2) |
294 |
5,9-heptacosadienoate (5,9-27:2) |
420 |
| 6,11-octadecadienoate (6,11-18:2) |
294 |
5,9-octacosadienoate (5,9-28:2) |
434 |
| |
| 9-trans,12-trans-octadecadienoate (9t,12t-18:2) |
294 |
|
|
| |
| 23-methyl-tetracos-5,9-dienoate |
392 |
24-methyl-hexacosa-5,9-dienoate |
420 |
| 25-methyl-hexacosa-5,9-dienoate |
420 |
22-methyl-octacosa-5,9-dienoate |
448 |
| |
| 9,11-octadecadienoate - MTAD adduct |
407 |
12,14-octadecadienoate - MTAD adduct |
407 |
| 10,12-octadecadienoate - MTAD adduct |
407 |
13,15-octadecadienoate - MTAD adduct |
407 |
| 11,13-octadecadienoate - MTAD adduct |
407 |
11,13-nonadecadienoate - MTAD adduct |
421 |
Methyl esters of trienoic acids including (MTAD adducts) |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 4,7,10-hexadecatrienoate (4,7,10-16:3) |
264 |
5,8,11-eicosatrienoate (20:3(n-9)) |
320 |
| 6,9,12-hexadecatrienoate (6,9,12-16:3) |
264 |
5,11,14-eicosatrienoate (5,11,14-20:3) |
320 |
| 7,10,13-hexadecatrienoate (16:3(n-3)) |
264 |
7,11,14-eicosatrienoate (7,11,14-20:3) |
320 |
| 9,12,15-hexadecatrienoate (16:3(n-1)) |
264 |
7,13,17-eicosatrienoate (7,13,17-20:3) |
320 |
|
|
8,11,14-eicosatrienoate (20:3(n-6)) |
320 |
| 8,11,14-heptadecatrienoate (17:3(n-3)) |
278 |
8,12,14-eicosatrienoate (8,12,14-20:3) |
320 |
| 3-cis,9-cis,12-cis-octadecatrienoate (3c,9c,12c-18:3) |
292 |
10,13,16-eicosatrienoate (20:3(n-4)) |
320 |
| 3-trans,9-cis,12-cis-octadecatrienoate (3t,9c,12c-18:3) |
292 |
11,14,17-eicosatrienoate (20:3(n-3)) |
320 |
| 5,9,12-octadecatrienoate (5,9,12-18:3) |
292 |
7,13,16-docosatrienoate (7,13,16-22:3) |
348 |
| 6,8,12-octadecatrienoate (6,8,12-18:3) |
292 |
10,13,16-docosatrienoate (22:3(n-6)) |
348 |
| 6,9,12-octadecatrienoate (18:3(n-6)) |
292 |
|
|
| 6,10,12-octadecatrienoate (6,10,12-18:3) |
292 |
5,9,17-tetracosatrienoate (5,9,17-24:3) |
376 |
| 8,11,14-octadecatrienoate (18:3(n-4)) |
292 |
5,9,19-hexacosatrienoate (5,9,19-26:3) |
404 |
| 9,12,15-octadecatrienoate (18:3(n-3)) |
292 |
|
|
| 11,14,17-octadecatrienoate (18:3(n-1)) |
292 |
5,9,19-octacosatrienoate (5,9,19-28:3) |
432 |
| 6,9,11-octadecatrienoate (6,9,11-18:3) |
292 |
5,9,21-octacosatrienoate (5,9,21-28:3) |
432 |
| 8t,10t,12c-octadecatrienoate (8,10,12-18:3) |
292 |
|
|
| 9c,11t,13t-octadecatrienoate (9,11,13-18:3) |
292 |
5,9,22-nonacosatrienoate (5,9,22-29:3) |
446 |
| 9c,11t,13c-octadecatrienoate (9,11,13-18:3) |
292 |
5,9,23-triacontatrienoate (5,9,23-30:3) |
480 |
| 9c,11t,15c-octadecatrienoate (9,11,15-18:3) |
292 |
|
|
| |
| 6,9,11-octadecatrienoate - MTAD adduct |
405 |
9,11,13-octadecatrienoate - MTAD adduct 1 |
405 |
| 6,10,12-octadecatrienoate - MTAD adduct |
405 |
9,11,13-octadecatrienoate - MTAD adduct 2 |
405 |
| 8,12,14-eicosatrienoate - MTAD adduct |
405 |
|
|
Methyl esters of tetra-, penta- and hexaenoic fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 4,7,10,13-hexadecatetraenoate (16:4(n-3)) |
262 |
5,8,11,14-eicosatetraenoate (20:4(n-6)) |
318 |
| 6,9,12,15-hexadecatetraenoate (16:4(n-1)) |
262 |
5,8,12,14-eicosatetraenoate (5,8,12,14-20:4) |
318 |
|
|
5,8,13,17-eicosatetraenoate (5,8,13,17-20:4) |
318 |
| 3-trans,9-cis,12-cis,15-cis-octadecatrienoate (3t,9c,12c,15c-18:4) |
290 |
5,8,14,16-eicosatetraenoate (5,8,14,16-20:4) |
318 |
| 5,8,11,14-octadecatetraenoate (18:4(n-4)) |
290 |
5,11,14,17-eicosatetraenoate (5,11,14,17-20:4) |
318 |
| 5,9,12,15-octadecatetraenoate |
290 |
8,11,14,17-eicosatetraenoate (20:4(n-3)) |
318 |
| 6,9,11,15-octadecatetraenoate |
290 |
10,13,16,19-eicosatetraenoate or 20:4(n-1) |
318 |
| 6,9,12,15-octadecatetraenoate (18:4(n-3)) |
290 |
7,10,13,16-docosatetraenoate (22:4(n-6)) |
346 |
| 8,11,14,17-octadecatetraenoate (18:4(n-1)) |
290 |
10,13,16,19-docosatetraenoate or 22:4(n-3) |
346 |
| 9c,11t,13t,15c-octadecatetraenoate (9,11,13,15-18:4) |
290 |
9,12,15,18-tetracosatetraenoate (24:4(n-6)) |
374 |
| |
| 6,9,11,15-octadecatetraenoate - MTAD adduct |
403 |
5,8,12,14-eicosatetraenoate - MTAD adduct |
431 |
| 5,8,11,13-eicosatetraenoate - MTAD adduct |
431 |
5,8,14,16-eicosatetraenoate - MTAD adduct |
431 |
| |
| 3,6,9,12,15-octadecapentaenoate (18:5(n-3)) |
288 |
6,9,12,15,18-heneicosapentaenoate (21:5(n-3)) |
330 |
| 5,8,11,14,17-octadecapentaenoate (18:5(n-1)) |
288 |
4,7,10,13,16-docosapentaenoate (22:5(n-6)) |
344 |
| 5,8,11,14,17-eicosapentaenoate (20:5(n-3)) |
316 |
7,10,13,16,19-docosapentaenoate (22:5(n-3)) |
344 |
| 5,8,11,15,17-eicosapentaenoate (5,8,11,15,17-20:5) |
316 |
9,12,15,18,21-tetracosapentaenoate (24:5(n-3)) |
372 |
| |
| 5,8,11,15,17-eicosapentaenoate - MTAD adduct |
429 |
|
|
| |
| 4,7,10,13,16,19-docosahexaenoate (22:6(n-3)) |
342 |
6,9,12,15,18,21-tetracosahexaenoate (24:6(n-3)) |
370 |
Methyl esters of allenic fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 3,4-tetradecadienoate (3,4-14:2) |
238 |
7,8-octadecadienoate (7,8-18:2) |
294 |
| 4,5-tetradecadienoate (4,5-14:2) |
238 |
8,9-octadecadienoate (8,9-18:2) |
294 |
| 10,11-tetradecadienoate (10,11-14:2) |
238 |
9,10-octadecadienoate (9,10-18:2) |
294 |
| 11,12-tetradecadienoate (11,12-14:2) |
238 |
10,11-octadecadienoate (10,11-18:2) |
294 |
| 12,13-tetradecadienoate (12,13-14:2) |
238 |
11,12-octadecadienoate (11,12-18:2) |
294 |
| 5,6-octadecadienoate (5,6-18:2) |
294 |
12,13-octadecadienoate (12,13-18:2) |
294 |
| 6,7-octadecadienoate (6,7-18:2) |
294 |
13,14-octadecadienoate (13,14-18:2) |
294 |
| |
| 4,5-tridecadienoate (4,5-13:2) |
224 |
7,8-heptadecadienoate (7,8-17:2) |
280 |
| 9,10-tridecadienoate (9,10-13:2) |
224 |
9,10-heptadecadienoate (9,10-17:2) |
280 |
| 10,11-tridecadienoate (10,11-13:2) |
224 |
10,11-heptadecadienoate (10,11-17:2) |
280 |
|
|
13,14-heptadecadienoate (13,14-17:2) |
280 |
| 4,5-pentadecadienoate (4,5-15:2) |
252 |
|
|
| 12,13-pentadecadienoate (12,13-15:2) |
252 |
8,9-nonadecadienoate (8,9-19:2) |
308 |
| 13,14-pentadecadienoate (13,14-15:2) |
252 |
11,12-nonadecadienoate (11,12-19:2) |
308 |
| |
| 7,8-hexadecadienoate (7,8-16:2) |
266 |
|
|
Methyl esters of acetylenic fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| octadec-6-ynoate |
294 |
octadeca-9-yn,trans-11-enoate |
292 |
| octadec-9-ynoate |
294 |
octadeca-14-yn,17-enoate |
292 |
|
|
octadeca-9-en,12-ynoate |
292 |
| 5,7-nonadiynoate |
164 |
eicocosa-11-en,14-ynoate |
320 |
| 2,4-tridecadiynoate |
220 |
eicos-11-yn,trans-13-enoate |
320 |
| 3,5-tetradecadiynoate |
234 |
docos-13-yn,trans-15-enoate |
348 |
| 4,6-tetradecadiynoate |
234 |
tetracos-15-yn,trans-17-enoate |
376 |
| 5,7-hexadecadiynoate |
262 |
hexacos-17-yn,trans-19-enoate |
404 |
| 10,12-heptadecadiynoate |
276 |
| |
| 6,8-octadecadiynoate |
290 |
octadeca-6,9-dien,12-ynoate |
290 |
| 7,9-octadecadiynoate |
290 |
octadeca-8,10-dien,12-ynoate |
290 |
| 8,10-octadecadiynoate |
290 |
octadeca-9-yn,11-trans,13-cis/trans-dienoate |
290 |
| 9,11-octadecadiynoate |
290 |
eicocosa-8,11-dien,14-ynoate |
318 |
| 10,12-octadecadiynoate |
290 |
|
|
Methyl esters of natural cyclic fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 9,10-methylene-hexadecanoate |
282 |
11,12-methylene-octadecanoate |
310 |
| 9,10-methylene-octadecanoate |
310 |
11,12-methylene-eicosanoate |
338 |
| |
| 8,9-methylene-heptadec-8-enoate |
294 |
9,10-methylene-octadec-9-enoate |
308 |
| |
| 11-cyclopentylundecanoate |
268 |
13-cyclopentyltridecanoate |
296 |
| 11-cyclopent-2-enyl-undecanoate |
266 |
13-cyclopent-2-enyl-tridec-4-enoate-dmds |
480 |
| 13-cyclopent-2-enyl-tridecanoate |
294 |
13-cyclopent-2-enyl-tridec-6-enoate-dmds |
480 |
| 13-cyclopent-2-enyl-tridec-6-enoate |
292 |
| |
| |
| 11-cyclohexyl-undecanoate |
282 |
| |
| |
| 11-phenyl-undecanoate |
276 |
13-phenyl-tridecanoate |
304 |
| 13-phenyl-tridec-9-enoate |
302 |
15-phenyl-pentadec-9-enoate |
330 |
| |
| | |
coumarate - TMS ether |
250 |
| ferulate |
208 |
ferulate - TMS ether |
280 |
| sinapate - acetate |
280 |
sinapate - TMS ether |
310 |
| | |
cafeate - TMS ether |
338 |
Methyl esters of epoxy, furanoid and oxo fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 9,10-epoxyoctadecanoate |
312 |
12,13-epoxyoctadec-9-enoate |
310 |
| 9,10-epoxyoctadec-12-enoate |
310 |
9,10-epoxy,18-hydroxy-octadecanoate - TMS |
400 |
| |
| 8-(5-hexyl-2-furyl)-octanoate |
308 |
| |
| 10,13-epoxy-11-methyl-hexadecadienoate |
294 |
12,15-epoxy-13,14-dimethyl-octadecadienoate |
336 |
| 10,13-epoxy-11,12-dimethyl-hexadecadienoate |
308 |
12,15-epoxy-13-methyl-eicosadienoate |
350 |
| 10,13-epoxy-11-methyl-octadecadienoate |
322 |
12,15-epoxy-13,14-dimethyl-eicosadienoate |
364 |
| 10,13-epoxy-11,12-dimethyl-octadecadienoate |
336 |
14,17-epoxy-15,16-dimethyl-eicosadienoate |
364 |
| |
| 5-oxo-octadecanoate |
312 |
12-oxo-octadecanoate |
312 |
| 7-oxo-octadecanoate |
312 |
9,10-dideutero-12-oxo-octadecanoate |
314 |
|
|
12-oxo-octadec-9-enoate |
310 |
| |
| 5-oxo-octadecanoate - oxime |
341 |
12-oxo-octadecanoate - oxime |
341 |
| 7-oxo-octadecanoate - oxime |
341 |
| |
Methyl esters of hydroxy fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 3-hydroxy-octanoate |
174 |
2-hydroxy-heptadecanoate |
300 |
| 9-hydroxy-nonanoate |
188 |
|
|
| 2-hydroxy-decanoate |
202 |
2-hydroxy-octadecanoate |
314 |
| 3-hydroxy-decanoate |
202 |
10-hydroxy-octadecanoate |
314 |
| 2-hydroxy-dodecanoate |
230 |
12-hydroxy-octadecanoate |
314 |
| 3-hydroxy-dodecanoate |
230 |
17-hydroxy-octadecanoate |
314 |
| 12-hydroxy-dodecanoate |
230 |
18-hydroxy-octadecanoate |
314 |
| 2-hydroxy-tetradecanoate |
258 |
9-hydroxy-nonadecanoate |
328 |
| 3-hydroxy-tetradecanoate |
258 |
2-hydroxy-eicosanoate |
342 |
| 6-hydroxy-tetradecanoate |
258 |
20-hydroxy-eicosanoate |
342 |
| 13-hydroxy-tetradecanoate |
258 |
2-hydroxy-docosanoate |
370 |
| 2-hydroxy-pentadecanoate |
272 |
22-hydroxy-docosanoate |
370 |
| 15-hydroxy-pentadecanoate |
272 |
2-hydroxy-tricosanoate |
384 |
| 2-hydroxy-hexadecanoate |
286 |
2-hydroxy-tetracosanoate |
398 |
| 3-hydroxy-hexadecanoate |
286 |
24-hydroxy-tetracosanoate |
398 |
| 8-hydroxy-hexadecanoate |
286 |
2-hydroxy-pentacosanoate |
412 |
| 15-hydroxy-hexadecanoate |
286 |
2-hydroxy-hexacosanoate |
426 |
| 16-hydroxy-hexadecanoate |
286 |
26-hydroxy-hexacosanoate |
426 |
| |
| 2-hydroxy-16-methyl-heptadecanoate |
314 |
|
|
| |
| 9-hydroxy-octadec-12-enoate |
312 |
2-hydroxy-tetracos-17-enoate |
396 |
| 12-hydroxy-octadec-9-enoate |
312 |
2-hydroxy-pentacos-16-enoate |
410 |
| 18-hydroxy-octadec-9-enoate |
312 |
2-hydroxy-pentacos-18-enoate |
410 |
| 14-hydroxy-eicos-11-enoate |
340 |
2-hydroxy-hexacos-17-enoate |
424 |
| 20-hydroxy-eicos-11-enoate |
340 |
2-hydroxy-hexacos-19-enoate |
424 |
| 22-hydroxy-docos-13-enoate |
368 |
2-hydroxy-heptacos-18-enoate |
438 |
| 2-hydroxy-tetracos-15-enoate |
396 |
|
|
| |
| 9-hydroxy-octadec-10,12-dienoate |
310 |
15-hydroxy-octadec-9,12-dienoate |
310 |
| 2-hydroxy-octadeca-9,12,15-trienoate |
308 |
| |
| |
| 9-hydroxy-nonanoate - TMS |
260 |
15-hydroxy-octadecanoate - TMS |
386 |
| 3-hydroxy-decanoate - TMS |
274 |
17-hydroxy-octadecanoate - TMS |
386 |
| 3-hydroxy-dodecanoate - TMS |
302 |
18-hydroxy-octadecanoate - TMS |
386 |
| 2-hydroxy-tetradecanoate - TMS |
330 |
9-hydroxy-nonadecanoate - TMS |
400 |
| 3-hydroxy-tetradecanoate - TMS |
330 |
11-hydroxy-nonadecanoate - TMS |
400 |
| 15-hydroxy-pentadecanoate - TMS |
344 |
2-hydroxy-eicosanoate - TMS |
414 |
| 2-hydroxy-hexadecanoate - TMS |
358 |
20-hydroxy-eicosanoate - TMS |
414 |
| 11-hydroxy-hexadecanoate - TMS |
358 |
21-hydroxy-heneicosanoate - TMS |
428 |
| 13-hydroxy-hexadecanoate - TMS |
358 |
2-hydroxy-docosanoate - TMS |
442 |
| 14-hydroxy-hexadecanoate - TMS |
358 |
22-hydroxy-docosanoate - TMS |
442 |
| 15-hydroxy-hexadecanoate - TMS |
358 |
2-hydroxy-tricosanoate - TMS |
456 |
| 16-hydroxy-hexadecanoate - TMS |
358 |
23-hydroxy-tricosanoate - TMS |
456 |
| 9-hydroxy-heptadecanoate - TMS |
372 |
2-hydroxy-tetracosanoate - TMS |
470 |
| 17-hydroxyheptadecanoate - TMS |
372 |
24-hydroxy-tetracosanoate - TMS |
470 |
| 2-hydroxy-octadecanoate - TMS |
386 |
2-hydroxy-pentacosanoate - TMS |
484 |
| 10-hydroxy-octadecanoate - TMS |
386 |
2-hydroxy-hexacosanoate - TMS |
498 |
| 12-hydroxy-octadecanoate - TMS |
386 |
26-hydroxy-hexacosanoate - TMS |
498 |
| 13-hydroxy-octadecanoate - TMS |
386 |
|
|
| |
| 9-hydroxy-octadec-12-enoate - TMS |
384 |
22-hydroxy-docos-13-enoate - TMS |
440 |
| 12-hydroxy-octadec-9-enoate - TMS |
384 |
2-hydroxy-tetracos-15-enoate - TMS |
468 |
| 18-hydroxy-octadec-9-enoate - TMS |
384 |
2-hydroxy-pentacos-16-enoate - TMS |
482 |
| 14-hydroxy-eicos-11-enoate - TMS |
412 |
2-hydroxy-pentacos-18-enoate - TMS |
482 |
| 20-hydroxy-eicos-11-enoate - TMS |
412 |
2-hydroxy-hexacos-19-enoate - TMS |
496 |
| 16-hydroxy-docos-13-enoate - TMS |
440 |
|
|
| |
| 9-hydroxy-octadeca-10,12-dienoate - TMS |
382 |
15-hydroxy-octadeca-9,12-dienoate - TMS |
382 |
| |
| 10,16-dihydroxyhexadecanoate - TMS |
446 |
9,10-dihydroxyoctadecanoate - TMS |
474 |
| 9,10,18-trihydroxy-octadecanoate - TMS |
562 |
9,10,18-trihydroxy-octadec-12-enoate - TMS |
560 |
| |
| 9,10-dihydroxy-1,18-octadecanedioate |
374 |
9,10-dihydroxy-1,18-octadecanedioate - TMS |
516 |
|
|
9,10-dihydroxy-1,20-eicosanedioate - TMS |
546 |
| |
| 15-hydroxy-pentadecanoate - acetate |
314 |
18-hydroxy-octadec-9,12-dienoate - acetate |
352 |
| 2-hydroxy-hexadecanoate - acetate |
328 |
| |
| 18-hydroxy-octadec-9-enoate - acetate |
354 |
10,16-dihydroxy-hexadecanoate - acetate |
386 |
Methyl esters of methoxy fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 12-methoxy-octadec-9-enoate |
326 |
|
|
Methyl esters of di- and tricarboxylic fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 1,5-pentanedioate |
160 |
1,12-dodecanedioate |
258 |
| 1,6-hexanedioate |
174 |
1,14-tetradecanedioate |
286 |
| 1,7-heptanedioate |
188 |
1,16-hexadecanedioate |
314 |
| 1,8-octanedioate |
202 |
1,18-octadecanedioate |
342 |
| 1,9-nonanedioate |
216 |
1,20-eicosanedioate |
370 |
| 1,10-decanedioate |
230 |
1,22-docosanedioate |
398 |
| 1,11-undecanedioate |
244 |
1,23-tricosanedioate |
412 |
| | | 1,24-tetracosanedioate |
426 |
| |
| 2-methyl-1,21-heneicosanedioate |
398 |
2-methyl-1,23-tricosanedioate |
426 |
| |
| 1,18-octadec-9-enedioate |
340 |
1,20-eicos-9-enedioate |
368 |
| 1,18-octadec-6,9-dienedioate |
338 |
| |
| |
| 1,4,12-dodecanetrioate |
302 |
1,4,14-tetradecanetrioate |
330 |
Methyl esters of halogenated fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 2-fluoro-hexadecanoate |
288 |
|
|
| 2-fluoro-octadecanoate |
316 |
2,2-difluoro-octadecanoate |
334 |
| 18-fluoro-octadecanoate |
316 |
6,6-difluoro-octadecanoate |
334 |
| 18-fluoro-octadec-9-enoate |
314 |
10,10-difluoro-octadecanoate |
334 |
| 20-fluoro-eicosanoate |
344 |
18,18,18-trifluoro-octadecanoate |
352 |
| |
| 2-bromo-hexadecanoate |
350 |
|
|
Methyl esters of thia fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 6-thia-laurate |
232 |
9-thia-stearate |
316 |
| |
|
10-thia-stearate |
316 |
| 2-thia-stearate |
316 |
11-thia-stearate |
316 |
| 3-thia-stearate |
316 |
12-thia-stearate |
316 |
| 4-thia-stearate |
316 |
13-thia-stearate |
316 |
| 5-thia-stearate |
316 |
14-thia-stearate |
316 |
| 6-thia-stearate |
316 |
15-thia-stearate |
316 |
| 7-thia-stearate |
316 |
16-thia-stearate |
316 |
| 8-thia-stearate |
316 |
17-thia-stearate |
316 |
| |
| 6,7-dithia-stearate |
334 |
10,15-dithia-stearate |
334 |
| 6,8-dithia-stearate |
334 |
11,15-dithia-stearate |
334 |
| 6,9-dithia-stearate |
334 |
12,15-dithia-stearate |
334 |
| 6,10-dithia-stearate |
334 |
13,15-dithia-stearate |
334 |
| 6,11-dithia-stearate |
334 |
14,15-dithia-stearate |
334 |
| |
| 2-thia palmitate |
288 |
12-thia-heptadecanoate |
302 |
| 3-thia palmitate |
288 |
16-thia-heptadecanoate |
302 |
| 6-thia palmitate |
288 |
|
|
| 9-thia palmitate |
288 |
9-thia-nonadecanoate |
330 |
| 10-thia palmitate |
288 |
12-thia-nonadecanoate |
330 |
| 11-thia palmitate |
288 |
|
|
| 15-thia palmitate |
288 |
2-thia eicosanoate |
344 |
|
|
3-thia eicosanoate |
344 |
| 7-thia-heptadecanoate |
302 |
6-thia eicosanoate |
344 |
| 9-thia-heptadecanoate |
302 |
8-thia eicosanoate |
344 |
| 10-thia-heptadecanoate |
302 |
13-thia eicosanoate |
344 |
| 11-thia-heptadecanoate |
302 |
|
|
Methyl esters of oxylipins |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| 12-oxophytodienoate |
306 |
|
|
