Free (unesterified) fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| butyric (4:0) |
88 |
heptadecanoic (17:0) |
270 |
| hexanoic (6:0) |
116 |
octadecanoic (18:0) |
284 |
| octanoic (8:0) |
144 |
9-tetradecenoic (9-14:1) |
226 |
| decanoic (10:0) |
172 |
3-octadecenoic (3-18:1) |
282 |
| undecanoic (11:0) |
186 |
6-octadecenoic (6-18:1) |
282 |
| dodecanoic (12:0) |
200 |
9-octadecenoic (9-18:1) |
282 |
| tridecanoic (13:0) |
214 |
11-octadecenoic (11-18:1) |
282 |
| tetradecanoic (14:0) |
228 |
9,12-octadecadienoic (9,12-18:2) |
280 |
| pentadecanoic (15:0) |
242 |
9,12,15-octadecatrienoic (9,12,15-18:3) |
278 |
| hexadecanoic (16:0) |
256 |
3,4-tetradecadienoic acid |
224 |
Lactones
|
| 4-hydroxy-decanoate - gamma-lactone |
170 |
4-hydroxy-dodecanoate - gamma-lactone |
198 |
| |
| 5-hydroxy-decanoate - delta-lactone |
170 |
5-hydroxy-hexadecanoate - delta-lactone |
254 |
| 5-hydroxy-dodecanoate - delta-lactone |
198 |
5-hydroxy-octadecanoate - delta-lactone |
282 |
| 5-hydroxy-tetradecanoate - delta-lactone |
226 |
5-hydroxy-eicosanoate - delta-lactone |
310 |
Ethyl esters of fatty acids
|
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| hexanoate (6:0) |
144 |
|
|
| octanoate (8:0) |
172 |
tricosanoate (23:0) |
382 |
| decanoate (10:0) |
200 |
tetracosanoate (24:0) |
396 |
| dodecanoate (12:0) |
228 |
hexacosanoate (26:0) |
424 |
| tetradecanoate (14:0) |
256 |
|
|
| pentadecanoate (15:0) |
270 |
13-methyltetradecanoate (iso) |
270 |
| hexadecanoate (16:0) |
284 |
14-methylhexadecanoate (anteiso) |
298 |
| heptadecanoate (17:0) |
298 |
15-methylhexadecanoate (iso) |
298 |
| octadecanoate (18:0) |
312 |
|
|
| nonadecanoate (19:0) |
326 |
4,8,12-trimethyltridecanoate |
284 |
| eicosanoate (20:0) |
340 |
2,6,10,14-tetramethylpentadecanoate (pristanate) |
326 |
| docosanoate (22:0) |
368 |
3,7,11,15-tetramethylhexadecanoate (phytanate) |
340 |
| |
| 9-tetradecenoate (9-14:1) |
254 |
3-trans-eicosenoate (3t-20:1) |
338 |
| 7-hexadecenoate (7-16:1) |
282 |
5-eicosenoate (5-20:1) |
338 |
| 9-hexadecenoate (9-16:1) |
282 |
11-eicosenoate (11-20:1) |
338 |
| 9-heptadecenoate |
296 |
5-docosenoate (5-22:1) |
366 |
| 3-trans-octadecenoate (3t-18:1) |
310 |
13-docosenoate (13-22:1) |
366 |
| 5-octadecenoate (5-18:1) |
310 |
15-tetracosenoate (15-24:1) |
394 |
| 9-octadecenoate (9-18:1) |
310 |
|
|
| 11-octadecenoate (11-18:1) |
310 |
7-methyl-hexadec-6-enoate |
296 |
| |
| 9,12-hexadecadienoate (16:2(n-4)) |
280 |
9,12-octadecadienoate (18:2(n-6)) |
308 |
| 3-trans,9-cis-octadecadienoate (3t,9c-18:2) |
308 |
10,13-nonadecadienoate (19:2(n-6)) |
322 |
| 5,9-octadecadienoate (5,9-18:2) |
308 |
3-trans,11-cis-eicosadienoate (3t,11c-20:2) |
336 |
| 5,11-octadecadienoate (5,11-18:2) |
308 |
11,14-eicosadienoate (20:2(n-6)) |
336 |
| 9-cis,11-trans-octadecadienoate |
308 |
5,13-docosadienoate (5,13-22:2) |
364 |
| |
| 6,9,12-hexadecatrienoate (16:3(n-4)) |
278 |
11,14,17-octadecatrienoate (18:3(n-1)) |
306 |
| 3t,9c,12c-octadecatrienoate (3t,9c,12c-18:3) |
306 |
|
|
| 5,9,12-octadecatrienoate (5,9,12-18:3) |
306 |
3t,11c,14c-eicosatrienoate (3t,11c,14c-20:3) |
334 |
| 6,9,12-octadecatrienoate (18:3(n-6)) |
306 |
5,8,11-eicosatrienoate (20:3(n-9)) |
334 |
| 8,11,14-octadecatrienoate (18:3(n-4)) |
306 |
5,11,14-eicosatrienoate (5,11,14-20:3) |
334 |
| 9t,11t,13t-octadecatrienoate (9t,11t,13t-18:3) |
306 |
10,13,16-eicosatrienoate (20:3(n-4)) |
334 |
| 9,12,15-octadecatrienoate (18:3(n-3)) |
306 |
11,14,17-eicosatrienoate (20:3(n-3)) |
334 |
| |
| 6,9,12,15-hexadecatetraenoate (16:4(n-1)) |
276 |
7,10,13,16-eicosatetraenoate (20:4(n-4)) |
332 |
| 3t,9c,12c,15c-octadecatetraenoate
(3t,9c,12c,15c-18:4) |
304 |
8,11,14,17-eicosatetraenoate (20:4(n-3)) |
332 |
| 6,9,12,15-octadecatetraenoate (18:4(n-3)) |
304 |
10,13,16,19-eicosatetraenoate (20:4(n-1)) |
332 |
| 8,11,14,17-octadecatetraenoate (18:4(n-1)) |
304 |
7,10,13,16-docosatetraenoate (22:4(n-6)) |
360 |
| 5,8,11,14-eicosatetraenoate (20:4(n-6)) |
332 |
10,13,16,19-docosatetraenoate (22:4(n-3)) |
360 |
| |
| 5,8,11,14,17-octadecapentaenoate (18:5(n-1)) |
302 |
4,7,10,13,16-docosapentaenoate (22:5(n-6)) |
358 |
| 4,7,10,13,16-nonadecapentaenoate (19:5(n-3)) |
316 |
7,10,13,16,19-docosapentaenoate (22:5(n-3)) |
358 |
| 5,8,11,14,17-eicosapentaenoate (20:5(n-3)) |
330 |
|
|
| 6,9,12,15,18-heneicosapentaenoate (21:5(n-3)) |
334 |
4,7,10,13,16,19-docosahexaenoate (22:6(n-3)) |
356 |
| |
| octadec-9-ynoate |
308 |
|
|
| 2,3-tetradecadienoate |
252 |
3,4-tetradecadienoate |
252 |
| |
| 11-cyclopentenylundecanoate |
280 |
13-cyclopentenyltridec-6-enoate |
306 |
| 13-cyclopentenyltridecanoate |
308 |
15-cyclopent-2-enylpentadec-9-enoate |
334 |
| 15-cyclopentenylpentadecanoate |
336 |
|
|
| |
| 10,13-epoxy-11-methyl-hexadecadienoate |
308 |
12,15-epoxy-13,14-dimethyl-octadecadienoate |
350 |
| 10,13-epoxy-11,12-dimethyl-hexadecadienoate |
322 |
12,15-epoxy-13-methyl-eicosadienoate |
364 |
| 10,13-epoxy-11-methyl-octadecadienoate |
336 |
12,15-epoxy-13,14-dimethyl-eicosadienoate |
378 |
| 10,13-epoxy-11,12-dimethyl-octadecadienoate |
350 |
14,17-epoxy-15,16-dimethyl-eicosadienoate |
378 |
| 12,15-epoxy-13-methyl-octadecadienoate |
336 |
|
|
n-Propyl esters of fatty acids |
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| octanoate (8:0) |
186 |
9-octadecenoate (9-18:1) |
324 |
| decanoate (10:0) |
214 |
11-octadecenoate (11-18:1) |
324 |
| dodecanoate (12:0) |
242 |
11-eicosenoate (11-20:1) |
352 |
| tetradecanoate (14:0) |
270 |
13-docosenoate (13-22:1) |
380 |
| pentadecanoate (15:0) |
284 |
15-tetracosenoate (15-24:1) |
408 |
| hexadecanoate (16:0) |
298 |
|
|
| heptadecanoate (17:0) |
312 |
9,12-hexadecadienoate (16:2(n-4)) |
294 |
| octadecanoate (18:0) |
326 |
9,12-octadecadienoate (18:2(n-6)) |
322 |
| eicosanoate (20:0) |
354 |
9-cis,11-trans-octadecadienoate |
322 |
| |
| 4,8,12-trimethyltridecanoate |
298 |
6,9,12-hexadecatrienoate (16:3(n-4)) |
292 |
| 13-methyltetradecanoate (iso) |
286 |
9,12,15-octadecatrienoate (18:3(n-3)) |
320 |
| 2,6,10,14-tetramethylpentadecanoate (pristanate) |
340 |
6,9,12,15-octadecatetraenoate (18:4(n-3)) |
318 |
| 14-methylhexadecanoate (anteiso) |
312 |
5,8,11,14-eicosatetraenoate (20:4(n-6)) |
346 |
| 15-methylhexadecanoate (iso) |
312 |
8,11,14,17-eicosatetraenoate (20:4(n-3)) |
346 |
|
|
5,8,11,14,17-eicosapentaenoate (20:5(n-3)) |
344 |
| 9-tetradecenoate (9-14:1) |
268 |
7,10,13,16,19-docosapentaenoate (22:5(n-3)) |
372 |
| 9-hexadecenoate (9-16:1) |
296 |
4,7,10,13,16,19-docosahexaenoate (22:6(n-3)) |
370 |
iso-Propyl esters of fatty acids
|
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| hexanoate (6:0) |
158 |
nonadecanoate (19:0) |
340 |
| octanoate (8:0) |
186 |
eicosanoate (20:0) |
354 |
| decanoate (10:0) |
214 |
heneicosanoate (21:0) |
368 |
| dodecanoate (12:0) |
242 |
docosanoate (22:0) |
382 |
| tetradecanoate (14:0) |
270 |
tricosanoate (23:0) |
396 |
| pentadecanoate (15:0) |
284 |
tetracosanoate (24:0) |
410 |
| hexadecanoate (16:0) |
298 |
hexacosanoate (26:0) |
438 |
| heptadecanoate (17:0) |
312 |
octacosanoate (28:0) |
466 |
| octadecanoate (18:0) |
326 |
triacontanoate (30:0) |
494 |
| |
| 8-methyl-decanoate (anteiso) |
228 |
15-methyl-docosanoate |
396 |
| 10-methyl-undecanoate (iso) |
242 |
20-methyl-docosanoate (anteiso) |
396 |
| 10-methyl-dodecanoate (anteiso) |
256 |
21-methyl-docosanoate (iso) |
396 |
| 12-methyl-tridecanoate (iso) |
270 |
22-methyl-tricosanoate (iso) |
410 |
| 12-methyl-tetradecanoate (anteiso) |
284 |
22-methyl-tetracosanoate (anteiso) |
424 |
| 13-methyl-tetradecanoate (iso) |
284 |
24-methyl-pentacosanoate (iso) |
438 |
| 14-methyl-pentadecanoate (iso) |
298 |
24-methyl-hexacosanoate (anteiso) |
452 |
| 14-methyl-hexadecanoate (anteiso) |
312 |
26-methyl-heptacosanoate (iso) |
466 |
| 15-methyl-hexadecanoate (iso) |
312 |
26-methyl-octacosanoate (anteiso) |
480 |
| 16-methyl-heptadecanoate (iso) |
326 |
28-methyl-nonacosanoate (iso) |
494 |
| 11-methyl-octadecanoate |
340 |
28-methyl-triacontanoate (anteiso) |
508 |
| 16-methyl-octadecanoate (anteiso) |
340 |
30-methyl-hentriacontanoate (iso) |
522 |
| 18-methyl-nonadecanoate (iso) |
354 |
30-methyl-dotriacontanoate (anteiso) |
536 |
| 18-methyl-eicosanoate (anteiso) |
368 |
32-methyl-tetratriacontanoate (anteiso) |
564 |
| 20-methyl-heneicosanoate (iso) |
382 |
|
|
| |
| 4,8,12-trimethyl-tridecanoate |
298 |
3,7,11,15-tetramethyl-hexadecanoate (phytanate) |
354
|
| |
| 9-tetradecenoate (9-14:1) |
268 |
11-eicosenoate (11-20:1) |
352 |
| 9-hexadecenoate (9-16:1) |
296 |
13-docosenoate (13-22:1) |
380 |
| 9-heptadecenoate (9-17:1) |
310 |
15-tetracosenoate (15-24:1) |
408 |
| 9-octadecenoate (9-18:1) |
324 |
17-hexacosenoate (17-26:1) |
436 |
| 11-octadecenoate (11-18:1) |
324 |
|
|
| |
| 9,12-octadecadienoate (18:2(n-6)) |
322 |
5,9-hexacosadienoate (5,9-26:2) |
434 |
| 9c,11t-octadecadienoate (9,11-18:2) |
322 |
23-methyl-5,9-tetracosadienoate (iso) |
420 |
|
|
24-methyl-5,9-pentacosadienoate (iso) |
434 |
| 5,9-pentacosadienoate (5,9-25:2) |
420 |
|
|
| |
| 6,9,12-hexadecatrienoate (16:3(n-4)) |
292 |
5,9,17-hexacosatrienoate (5,9,17-26:3) |
432 |
| 9,12,15-octadecatrienoate (18:3(n-3)) |
320 |
5,9,19-hexacosatrienoate (5,9,19-26:3) |
432 |
| 5,9,17-tetracosatrienoate (5,9,17-24:3) |
404 |
5,9,19-octacosatrienoate (5,9,19-28:3) |
460 |
| |
| 6,9,12,15-octadecatetraenoate (18:3(n-3)) |
318 |
6,9,12,15,18-heneicosapentaenoate (21:5(n-3)) |
358 |
| 5,8,11,14-eicosatetraenoate (20:4(n-6)) |
346 |
4,7,10,13,16-docosapentaenoate (22:5(n-6)) |
372 |
| 8,11,14,17-eicosatetraenoate (20:4(n-3)) |
346 |
7,10,13,16,19-docosapentaenoate (22:5(n-3)) |
372 |
| 7,10,13,16-docosatetraenoate (22:4(n-6)) |
374 |
4,7,10,13,16,19-docosahexaenoate (22:6(n-3)) |
370 |
| 5,8,11,14,17-eicosapentaenoate (20:5(n-3)) |
344 |
6,9,12,15,18,21-tetracosahexaenoate (24:6(n-3)) |
398 |
| |
| 11,12-methylene-octadecanoate |
338 |
|
|
Butyl esters of fatty acids
|
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| hexanoate (6:0) |
172 |
9-octadecenoate (9-18:1) |
338 |
| octanoate (8:0) |
200 |
11-eicosenoate (11-20:1) |
366 |
| decanoate (10:0) |
228 |
13-docosenoate (13-22:1) |
394 |
| dodecanoate (12:0) |
256 |
15-tetracosenoate (15-24:1) |
422 |
| tetradecanoate (14:0) |
284 |
|
|
| pentadecanoate (15:0) |
298 |
9,12-octadecadienoate (18:2(n-6)) |
336 |
| hexadecanoate (16:0) |
312 |
9-cis,11-trans-octadecadienoate |
336 |
| heptadecanoate (17:0) |
326 |
|
|
| octadecanoate (18:0) |
340 |
6,9,12-hexadecatrienoate (16:3(n-4)) |
306 |
| eicosanoate (20:0) |
368 |
9,12,15-octadecatrienoate (18:3(n-3)) |
334 |
| 4,8,12-trimethyltridecanoate |
312 |
6,9,12,15-octadecatetraenoate (18:4(n-3)) |
332 |
| 13-methyltetradecanoate (iso) |
298 |
5,8,11,14-eicosatetraenoate (20:4(n-6)) |
360 |
| 2,6,10,14-tetramethylpentadecanoate |
354 |
8,11,14,17-eicosatetraenoate (20:4(n-3)) |
360 |
| 14-methylhexadecanoate (anteiso) |
326 |
5,8,11,14,17-eicosapentaenoate (20:5(n-3)) |
358 |
| 15-methylhexadecanoate (iso) |
326 |
7,10,13,16,19-docosapentaenoate (22:5(n-3)) |
386 |
|
|
4,7,10,13,16,19-docosahexaenoate (22:6(n-3)) |
384 |
| 9-tetradecenoate (9-14:1) |
282 |
|
|
| 9-hexadecenoate (9-16:1) |
310 |
|
|
Phenacyl esters of fatty acids
|
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| hexadecanoate (16:0) |
374 |
9,12-octadecadienoate (18:2(n-6)) |
398 |
| 11-octadecenoate (11-18:1) |
40 |
9,12,15-octadecatrienoate (18:3(n-3)) |
396 |
Trimethylsilyl esters of fatty acids
|
| Fatty acid |
M+ |
Fatty acid |
M+ |
| |
| tetradecanoate (14:0) |
300 |
hexacosanoate (26:0) |
468 |
| hexadecanoate (16:0) |
328 |
hexadecenoate (16:1) |
326 |
| heptadecanoate (17:0) |
342 |
octadec-9-enoate |
354 |
| octadecanoate (18:0) |
356 |
eicosenoate (20:1) |
382 |
| docosanoate (22:0) |
412 |
docosenoate (22:1) |
410 |
| tricosanoate (23:0) |
426 |
tetracosenoate (24:1) |
438 |
| tetracosanoate (24:0) |
440 |
octadec-9,12-dienoate |
352 |
| |
| hexadecane-1,16-dioate |
430 |
octadec-9-ene-1,18-dioate |
456 |
| 15-hydroxy-pentadecanoate (+ TMSE) |
402 |
18-hydroxy-octadec-9-enoate (+ TMSE) |
442 |
| |
| coumaric acid - bisOTMS |
308 |
sinapic acid - bisOTMS |
368 |
| ferulic acid - bisOTMS |
338 |
| |
Wax esters
|
| Wax ester |
M+ |
Wax ester |
M+ |
| |
| tetradecanyl tetradecanoate |
424 |
docosanyl eicosanoate |
620 |
| hexadecanyl tetradecanoate |
452 |
docosanyl docosanoate |
648 |
| tetradecanyl hexadecanoate |
452 |
|
|
| hexadecanyl hexadecanoate |
480 |
octadecanyl hexadecenoate |
506 |
| octadecanyl hexadecanoate |
508 |
eicosanyl octadecenoate |
562 |
| eicosanyl eicosanoate |
592 |
octadecenyl hexadecanoate |
506 |
| |
| octadecyl coumarate - OTMS |
488 |
octadecyl ferulate - OTMS |
518 |
| eicosanyl coumarate - OTMS |
516 |
eicosanyl ferulate - OTMS |
546 |
| docosanyl coumarate - OTMS |
544 |
docosanyl ferulate - OTMS |
574 |
| |
| octadecyl caffeate - OTMS |
576 |
|
|
