Common Name
LM ID
Instrument
Adduct / Ion
Submitter
LTE4
SCIEX QTRAP 6500 LC-MS/MS System
[M-H]-
Ed Dennis, Oswald Quehenberger, Aaron Armando
[{"mz":108.6,"intensity":82514.3},{"mz":112.8,"intensity":192533.3},{"mz":113.16,"intensity":110019},{"mz":113.52,"intensity":192533.3},{"mz":115.08,"intensity":275047.6},{"mz":119.8766,"intensity":1375238},{"mz":128.49,"intensity":110019},{"mz":128.92,"intensity":110019},{"mz":136.8,"intensity":302552.3},{"mz":159.975,"intensity":247542.8},{"mz":162.6,"intensity":137523.8},{"mz":163.1116,"intensity":797638.1},{"mz":163.32,"intensity":797638.1},{"mz":189,"intensity":82514.3},{"mz":195,"intensity":275047.6},{"mz":195.36,"intensity":82514.3},{"mz":203.2286,"intensity":770133.3},{"mz":203.88,"intensity":165028.6},{"mz":221.88,"intensity":55009.5},{"mz":235.0142,"intensity":3493104.5},{"mz":235.5709,"intensity":715123.8},{"mz":236.04,"intensity":110019},{"mz":244.08,"intensity":82514.3},{"mz":255.088,"intensity":1347733.3},{"mz":255.72,"intensity":137523.8},{"mz":265.2,"intensity":55009.5},{"mz":273,"intensity":660114.3},{"mz":273.24,"intensity":220038.1},{"mz":273.54,"intensity":110019},{"mz":279,"intensity":82514.3},{"mz":288.9729,"intensity":6216075.5},{"mz":289.8,"intensity":110019},{"mz":290.04,"intensity":110019},{"mz":299.04,"intensity":742628.5},{"mz":299.76,"intensity":110019},{"mz":306.99,"intensity":357561.9},{"mz":307.44,"intensity":110019},{"mz":314.76,"intensity":110019},{"mz":315,"intensity":55009.5},{"mz":317.0684,"intensity":4895847},{"mz":322.065,"intensity":275047.6},{"mz":331.8,"intensity":110019},{"mz":333.0479,"intensity":16667884},{"mz":333.6,"intensity":1732799.9},{"mz":333.8477,"intensity":302552.3},{"mz":351.0126,"intensity":4950856.5},{"mz":351.8,"intensity":110019},{"mz":357.96,"intensity":55009.5},{"mz":419.9379,"intensity":5583466},{"mz":437.9242,"intensity":4978361.5}]
Structure
Common name
LTE4
LMID
Systematic name
5S-hydroxy-6R-(S-cysteinyl),7E,9E,11Z,14Z-eicosatetraenoic acid
m/z
438
Adduct / Ion
[M-H]-
Charge
-1
Ion source
ESI
Instrument
SCIEX QTRAP 6500 LC-MS/MS System
Resolution
N/A
For high resolution data only
Ion mode
Negative
Collision Energy (CE)
-25
Column
Not Available
Mobile phase A
60/40 Water/Acetonitrile, 0.02% Acetic Acid
Mobile phase B
50/50 Isopropanol/Acetonitrile
Retention time (min)
2.18
Amount injected
10ng
DOI for method
Date acquired
Submitters
Ed Dennis, Oswald Quehenberger, Aaron Armando
Source of standard
Cayman Chemical
LTE4
Thermo Scientific Orbitrap Exploris 240
[M-H]-
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
[{"mz":56.07375717,"intensity":1797.4267578125},{"mz":58.99621201,"intensity":2583.1369628906},{"mz":59.01387024,"intensity":19733.728515625},{"mz":69.03464508,"intensity":2025.8585205078},{"mz":71.01391602,"intensity":4618.4887695313},{"mz":71.14795685,"intensity":1538.0858154297},{"mz":82.04257202,"intensity":2534.8742675781},{"mz":85.01195526,"intensity":6387.3754882813},{"mz":86.02483368,"intensity":2219.59765625},{"mz":87.99921417,"intensity":1601.9267578125},{"mz":89.00687408,"intensity":4336.5234375},{"mz":92.87702179,"intensity":1568.1267089844},{"mz":96.44046021,"intensity":1632.6844482422},{"mz":98.0196991,"intensity":3294.2731933594},{"mz":101.0069885,"intensity":2126.30078125},{"mz":111.0274734,"intensity":3799.7221679688},{"mz":113.0431976,"intensity":29465.681640625},{"mz":115.0401611,"intensity":109106.0234375},{"mz":117.0381317,"intensity":1674.0966796875},{"mz":120.0126038,"intensity":79696.25},{"mz":123.9657745,"intensity":1741.7965087891},{"mz":124.0353775,"intensity":3234.8464355469},{"mz":129.0381317,"intensity":10535.625},{"mz":129.0559082,"intensity":1553.2561035156},{"mz":143.0172577,"intensity":1996.9660644531},{"mz":160.0200958,"intensity":39330.77734375},{"mz":161.0281372,"intensity":17371.861328125},{"mz":163.1493225,"intensity":43770.76171875},{"mz":173.0279999,"intensity":4306.5405273438},{"mz":177.1653442,"intensity":3907.8259277344},{"mz":178.7660828,"intensity":1504.9748535156},{"mz":187.2634888,"intensity":1508.5548095703},{"mz":203.1802368,"intensity":4095.4660644531},{"mz":215.144455,"intensity":2857.5458984375},{"mz":233.4347992,"intensity":1891.1746826172},{"mz":235.152771,"intensity":190569.375},{"mz":255.2118683,"intensity":28073.15234375},{"mz":273.2226562,"intensity":8728.10546875},{"mz":279.1793213,"intensity":9080.9306640625},{"mz":289.1997986,"intensity":102462.4609375},{"mz":289.2151184,"intensity":1914.1322021484},{"mz":291.1787109,"intensity":2898.7890625},{"mz":299.2019653,"intensity":16733.484375},{"mz":307.2101746,"intensity":9384.7294921875},{"mz":317.190033,"intensity":3042.0610351563},{"mz":317.2125854,"intensity":50376.359375},{"mz":322.184967,"intensity":37709.59765625},{"mz":333.1896667,"intensity":270863.65625},{"mz":334.1932983,"intensity":1804.3796386719},{"mz":348.0938721,"intensity":1699.916015625},{"mz":351.1987305,"intensity":149795.796875},{"mz":420.2207336,"intensity":81181.59375},{"mz":438.2313843,"intensity":71763.3046875}]
Structure
Common name
LTE4
LMID
Systematic name
5S-hydroxy-6R-(S-cysteinyl),7E,9E,11Z,14Z-eicosatetraenoic acid
m/z
438.232
Adduct / Ion
[M-H]-
Charge
-1
Ion source
HESI
Instrument
Thermo Scientific Orbitrap Exploris 240
Resolution
30000
For high resolution data only
Ion mode
Negative
Collision Energy (CE)
20,30,40
Column
Accucore C30 150 x 2.1
Mobile phase A
Acetonitrile:water 50/50 v/v 5mM AmFm + 0.1% FA
Mobile phase B
Isopropanol:Acetonitrile:water 85/10/5 v/v 5mM AmFm + 0.1% FA
Retention time (min)
2.39
Amount injected
25 pmol
DOI for method
Date acquired
March 2025
Submitters
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
Source of standard
Cayman
LTE4
Thermo Scientific Orbitrap Exploris 240
[M+H]+
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
[{"mz":52.66585541,"intensity":1612.9815673828},{"mz":64.64518738,"intensity":1484.8096923828},{"mz":64.9473877,"intensity":1397.453125},{"mz":67.05435944,"intensity":2029.6384277344},{"mz":80.08827209,"intensity":1620.5158691406},{"mz":81.06998444,"intensity":4297.484375},{"mz":81.53275299,"intensity":1676.8428955078},{"mz":87.04398346,"intensity":8074.9311523438},{"mz":87.79592896,"intensity":1481.0705566406},{"mz":91.0542984,"intensity":4204.8315429688},{"mz":93.07002258,"intensity":5559.87890625},{"mz":93.76583099,"intensity":1371.2990722656},{"mz":95.08551788,"intensity":2546.0603027344},{"mz":97.06481171,"intensity":2272.30859375},{"mz":98.33971405,"intensity":1372.4595947266},{"mz":99.04406738,"intensity":1916.9792480469},{"mz":102.4072342,"intensity":1345.2290039063},{"mz":105.0698853,"intensity":12352.5341796875},{"mz":107.0856323,"intensity":2939.6105957031},{"mz":108.284256,"intensity":1445.3665771484},{"mz":109.1013489,"intensity":2662.3078613281},{"mz":110.0726242,"intensity":1412.4085693359},{"mz":115.0388031,"intensity":7795.9306640625},{"mz":117.0703812,"intensity":1567.1806640625},{"mz":119.0855942,"intensity":15939.5166015625},{"mz":121.1012115,"intensity":3085.4594726563},{"mz":123.1171951,"intensity":2431.7263183594},{"mz":125.0597992,"intensity":5925.9897460938},{"mz":131.0856171,"intensity":3476.2204589844},{"mz":133.1013489,"intensity":7417.755859375},{"mz":135.0808716,"intensity":2462.7875976563},{"mz":135.1166687,"intensity":2329.6330566406},{"mz":139.075882,"intensity":1976.3782958984},{"mz":143.0701294,"intensity":3003.724609375},{"mz":147.1169586,"intensity":4203.7924804688},{"mz":149.1328583,"intensity":2741.0786132813},{"mz":151.0756378,"intensity":2282.4350585938},{"mz":153.0913696,"intensity":4170.208984375},{"mz":161.1326294,"intensity":3449.0493164063},{"mz":171.1168213,"intensity":1716.8526611328},{"mz":173.1324463,"intensity":3679.4855957031},{"mz":177.1642609,"intensity":1844.2205810547},{"mz":185.1335144,"intensity":1764.8015136719},{"mz":187.1484833,"intensity":4444.6640625},{"mz":189.1638184,"intensity":110275.6953125},{"mz":192.8124542,"intensity":1752.7723388672},{"mz":195.1165924,"intensity":1705.9504394531},{"mz":199.1119843,"intensity":3304.9777832031},{"mz":199.1489716,"intensity":2201.1091308594},{"mz":203.1796417,"intensity":4559.3383789063},{"mz":205.1947021,"intensity":2558.4250488281},{"mz":213.1275787,"intensity":2707.2065429688},{"mz":213.1640015,"intensity":1716.8786621094},{"mz":226.7604218,"intensity":1525.6527099609},{"mz":231.1378479,"intensity":2048.9458007813},{"mz":235.1698151,"intensity":2569.8310546875},{"mz":241.1949463,"intensity":2642.33203125},{"mz":253.1800079,"intensity":3641.9108886719},{"mz":265.1956177,"intensity":7671.2397460938},{"mz":283.2062073,"intensity":6774.5263671875},{"mz":301.2163086,"intensity":64537.30859375},{"mz":319.2268982,"intensity":22067.5234375},{"mz":391.2914734,"intensity":1451.3381347656},{"mz":440.2467041,"intensity":5709.1235351563}]
Structure
Common name
LTE4
LMID
Systematic name
5S-hydroxy-6R-(S-cysteinyl),7E,9E,11Z,14Z-eicosatetraenoic acid
m/z
440.2465
Adduct / Ion
[M+H]+
Charge
1
Ion source
HESI
Instrument
Thermo Scientific Orbitrap Exploris 240
Resolution
30000
For high resolution data only
Ion mode
Positive
Collision Energy (CE)
12,22,32
Column
Accucore C30 150 x 2.2
Mobile phase A
Acetonitrile:water 50/50 v/v 5mM AmFm + 0.1% FA
Mobile phase B
Isopropanol:Acetonitrile:water 85/10/5 v/v 5mM AmFm + 0.1% FA
Retention time (min)
2.38
Amount injected
12.5 pmol
DOI for method
Date acquired
March 2025
Submitters
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
Source of standard
Cayman
LTE4
Thermo Scientific Orbitrap Exploris 240
[M-H]-
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
[{"mz":51.17590714,"intensity":1764.671875},{"mz":56.15546799,"intensity":1514.6734619141},{"mz":58.99597168,"intensity":2006.7106933594},{"mz":59.01390457,"intensity":17281.171875},{"mz":63.81378174,"intensity":1828.2144775391},{"mz":68.14445496,"intensity":1598.5472412109},{"mz":68.29994965,"intensity":1559.1086425781},{"mz":69.03458405,"intensity":1829.5446777344},{"mz":71.01386261,"intensity":5303.404296875},{"mz":83.05019379,"intensity":2207.7265625},{"mz":85.0117569,"intensity":4661.4829101563},{"mz":86.02465057,"intensity":4264.7216796875},{"mz":87.99887085,"intensity":2721.1232910156},{"mz":89.00665283,"intensity":3647.9091796875},{"mz":98.01951599,"intensity":1877.5261230469},{"mz":111.02742,"intensity":4516.8901367188},{"mz":113.0243683,"intensity":2829.833984375},{"mz":113.0431442,"intensity":25931.087890625},{"mz":115.0401611,"intensity":106718.2578125},{"mz":118.2472382,"intensity":2309.5334472656},{"mz":120.0125809,"intensity":100469.515625},{"mz":123.0811844,"intensity":1837.5473632813},{"mz":124.0351944,"intensity":2510.2683105469},{"mz":126.8919373,"intensity":1471.3607177734},{"mz":129.0380859,"intensity":13268.0166015625},{"mz":129.0559845,"intensity":4382.2768554688},{"mz":141.0557861,"intensity":1691.1501464844},{"mz":153.0415497,"intensity":1790.0029296875},{"mz":160.0201263,"intensity":42157.97265625},{"mz":161.0279083,"intensity":19957.037109375},{"mz":163.149353,"intensity":33691.48046875},{"mz":173.0278015,"intensity":7804.9130859375},{"mz":177.1646729,"intensity":5473.6713867188},{"mz":195.0480652,"intensity":3007.474609375},{"mz":203.1804657,"intensity":7090.4506835938},{"mz":203.9733582,"intensity":2053.7961425781},{"mz":235.1527557,"intensity":202888.078125},{"mz":255.2118073,"intensity":26117.015625},{"mz":264.3397827,"intensity":2059.7670898438},{"mz":273.22229,"intensity":6398.1982421875},{"mz":279.1784973,"intensity":7284.6987304688},{"mz":289.1998291,"intensity":118281.0859375},{"mz":291.1782837,"intensity":3804.1379394531},{"mz":299.2016602,"intensity":15171.587890625},{"mz":307.2098083,"intensity":13420.0263671875},{"mz":317.2123413,"intensity":52969.49609375},{"mz":322.1848755,"intensity":66083.609375},{"mz":333.1896667,"intensity":306432.125},{"mz":334.1914673,"intensity":2078.9484863281},{"mz":351.1987305,"intensity":216464.15625},{"mz":352.1069336,"intensity":1763.1004638672},{"mz":420.2207336,"intensity":140825.0625},{"mz":438.2315063,"intensity":240095.375},{"mz":439.23526,"intensity":2081.8359375}]
Structure
Common name
LTE4
LMID
Systematic name
5S-hydroxy-6R-(S-cysteinyl),7E,9E,11Z,14Z-eicosatetraenoic acid
m/z
438.232
Adduct / Ion
[M-H]-
Charge
-1
Ion source
HESI
Instrument
Thermo Scientific Orbitrap Exploris 240
Resolution
30000
For high resolution data only
Ion mode
Negative
Collision Energy (CE)
17,27,37
Column
Accucore C30 150 x 2.1
Mobile phase A
Acetonitrile:water 50/50 v/v 5mM AmFm + 0.1% FA
Mobile phase B
Isopropanol:Acetonitrile:water 85/10/5 v/v 5mM AmFm + 0.1% FA
Amount injected
25 pmol
DOI for method
Date acquired
March 2025
Submitters
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
Source of standard
Cayman
LTE4
Thermo Scientific Orbitrap Exploris 240
[M+H]+
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
[{"mz":51.47154999,"intensity":1651.5112304688},{"mz":58.70317459,"intensity":1494.0854492188},{"mz":67.05421448,"intensity":9344.2294921875},{"mz":69.06983948,"intensity":1897.4047851563},{"mz":71.0491333,"intensity":2973.55859375},{"mz":71.08553314,"intensity":3102.0847167969},{"mz":79.05417633,"intensity":6735.8266601563},{"mz":81.06985474,"intensity":9174.501953125},{"mz":87.04404449,"intensity":16387.4765625},{"mz":91.05414581,"intensity":15274.6357421875},{"mz":93.06990051,"intensity":11929.5830078125},{"mz":95.08533478,"intensity":8766.33984375},{"mz":97.06472015,"intensity":9937.8994140625},{"mz":99.0440979,"intensity":3548.0964355469},{"mz":101.5367813,"intensity":1464.6763916016},{"mz":105.0652466,"intensity":1905.3850097656},{"mz":105.0697784,"intensity":38149.625},{"mz":107.0855408,"intensity":8476.548828125},{"mz":109.1011276,"intensity":5448.1459960938},{"mz":115.0389252,"intensity":14913.693359375},{"mz":117.0696411,"intensity":7820.3959960938},{"mz":119.0855331,"intensity":38360.66015625},{"mz":121.1010361,"intensity":7285.6083984375},{"mz":123.0802841,"intensity":2124.7038574219},{"mz":123.11689,"intensity":3525.150390625},{"mz":125.0596695,"intensity":11855.712890625},{"mz":128.0953522,"intensity":1448.607421875},{"mz":129.0699463,"intensity":3369.1437988281},{"mz":131.0855103,"intensity":10780.029296875},{"mz":133.101181,"intensity":24845.96875},{"mz":135.0803375,"intensity":5125.7724609375},{"mz":135.1167908,"intensity":4060.98046875},{"mz":137.0592499,"intensity":1581.1512451172},{"mz":137.0961151,"intensity":1964.6896972656},{"mz":139.0753479,"intensity":5060.6166992188},{"mz":143.0702057,"intensity":3758.4626464844},{"mz":145.1009979,"intensity":2598.7368164063},{"mz":147.0803528,"intensity":2725.9567871094},{"mz":147.1167603,"intensity":11521.6884765625},{"mz":148.7915955,"intensity":1844.1375732422},{"mz":149.1325226,"intensity":5818.2368164063},{"mz":151.07547,"intensity":5536.5556640625},{"mz":153.0908356,"intensity":5036.8276367188},{"mz":157.1012268,"intensity":3337.0007324219},{"mz":159.1165771,"intensity":2538.576171875},{"mz":161.1325226,"intensity":5179.751953125},{"mz":171.1165161,"intensity":4002.0078125},{"mz":173.1325226,"intensity":4492.10546875},{"mz":175.1481628,"intensity":3647.0417480469},{"mz":177.1639404,"intensity":4515.2475585938},{"mz":181.1016693,"intensity":2781.8020019531},{"mz":185.0962677,"intensity":2848.3283691406},{"mz":185.1328583,"intensity":4099.638671875},{"mz":187.1483917,"intensity":8367.0263671875},{"mz":189.1637421,"intensity":208895.84375},{"mz":191.1072235,"intensity":1713.228515625},{"mz":195.116745,"intensity":3136.7053222656},{"mz":199.1120758,"intensity":6725.01171875},{"mz":199.1479797,"intensity":5358.0825195313},{"mz":203.1792297,"intensity":4651.5263671875},{"mz":205.1949615,"intensity":4839.4892578125},{"mz":209.1322784,"intensity":3033.896484375},{"mz":213.1274567,"intensity":3672.4599609375},{"mz":213.1638489,"intensity":3158.5051269531},{"mz":215.1779938,"intensity":1849.4224853516},{"mz":217.1229553,"intensity":3568.2312011719},{"mz":217.1588287,"intensity":3370.6115722656},{"mz":223.1480865,"intensity":2352.2614746094},{"mz":227.1431427,"intensity":2314.2956542969},{"mz":229.713562,"intensity":1715.2849121094},{"mz":231.1380463,"intensity":3694.9990234375},{"mz":235.1692047,"intensity":5370.3764648438},{"mz":239.1787567,"intensity":2252.5476074219},{"mz":241.1950226,"intensity":4967.8989257813},{"mz":245.1528473,"intensity":2110.3220214844},{"mz":253.1795044,"intensity":3898.3957519531},{"mz":255.1750031,"intensity":2072.6560058594},{"mz":255.2101135,"intensity":3865.5739746094},{"mz":257.1915283,"intensity":2236.0146484375},{"mz":265.1950684,"intensity":9845.884765625},{"mz":283.2055054,"intensity":14240.2490234375},{"mz":301.216156,"intensity":85639.390625},{"mz":307.8938293,"intensity":1670.6015625},{"mz":315.0902405,"intensity":1592.1513671875},{"mz":319.2271423,"intensity":13174.36328125},{"mz":357.4941711,"intensity":1705.0081787109},{"mz":422.2359009,"intensity":2472.0063476563},{"mz":429.1861572,"intensity":1816.5280761719}]
Structure
Common name
LTE4
LMID
Systematic name
5S-hydroxy-6R-(S-cysteinyl),7E,9E,11Z,14Z-eicosatetraenoic acid
m/z
440.2465
Adduct / Ion
[M+H]+
Charge
1
Ion source
HESI
Instrument
Thermo Scientific Orbitrap Exploris 240
Resolution
30000
For high resolution data only
Ion mode
Positive
Collision Energy (CE)
17,27,37
Column
Accucore C30 150 x 2.2
Mobile phase A
Acetonitrile:water 50/50 v/v 5mM AmFm + 0.1% FA
Mobile phase B
Isopropanol:Acetonitrile:water 85/10/5 v/v 5mM AmFm + 0.1% FA
Amount injected
12.5 pmol
DOI for method
Date acquired
March 2025
Submitters
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
Source of standard
Cayman
[{"mz":54.87,"intensity":425},{"mz":58.79,"intensity":10970},{"mz":63.12,"intensity":2306},{"mz":69.31,"intensity":1391},{"mz":70.91,"intensity":3452},{"mz":73.74,"intensity":1650},{"mz":81.99,"intensity":1648},{"mz":82.86,"intensity":2345},{"mz":84.57,"intensity":293},{"mz":85.6,"intensity":2306},{"mz":86.16,"intensity":6978},{"mz":96.17,"intensity":3070},{"mz":97.63,"intensity":2806},{"mz":111,"intensity":5189},{"mz":113.37,"intensity":14960},{"mz":115.01,"intensity":204800},{"mz":120.04,"intensity":324800},{"mz":126.9,"intensity":1949},{"mz":129.18,"intensity":22330},{"mz":135.71,"intensity":4369},{"mz":140.09,"intensity":1470},{"mz":140.83,"intensity":3360},{"mz":151.05,"intensity":11030},{"mz":154.83,"intensity":353},{"mz":160.02,"intensity":99640},{"mz":161.15,"intensity":6417},{"mz":163.19,"intensity":16830},{"mz":167.13,"intensity":2780},{"mz":173.14,"intensity":47340},{"mz":175.17,"intensity":294},{"mz":176.93,"intensity":4875},{"mz":177.57,"intensity":3181},{"mz":178.48,"intensity":2820},{"mz":200.92,"intensity":1973},{"mz":201.52,"intensity":3682},{"mz":202.96,"intensity":9954},{"mz":205.82,"intensity":4818},{"mz":207.41,"intensity":877},{"mz":209.04,"intensity":454},{"mz":209.73,"intensity":1250},{"mz":211.83,"intensity":1005},{"mz":222.32,"intensity":1842},{"mz":227.18,"intensity":2236},{"mz":230.02,"intensity":5668},{"mz":234.15,"intensity":2090},{"mz":235.15,"intensity":508000},{"mz":237.2,"intensity":1881},{"mz":255.22,"intensity":57700},{"mz":257.06,"intensity":4130},{"mz":257.72,"intensity":9526},{"mz":259.3,"intensity":454},{"mz":260.63,"intensity":655},{"mz":261.32,"intensity":7306},{"mz":271.04,"intensity":6873},{"mz":272.37,"intensity":1383},{"mz":273.33,"intensity":5562},{"mz":276.28,"intensity":2584},{"mz":278.09,"intensity":1783},{"mz":278.97,"intensity":20700},{"mz":283.29,"intensity":739},{"mz":283.94,"intensity":702},{"mz":286.22,"intensity":1417},{"mz":289.12,"intensity":382400},{"mz":291.4,"intensity":6105},{"mz":294.15,"intensity":6812},{"mz":299.07,"intensity":55710},{"mz":302,"intensity":2342},{"mz":303.81,"intensity":2809},{"mz":305.58,"intensity":8546},{"mz":307.09,"intensity":35960},{"mz":308.66,"intensity":2752},{"mz":309.48,"intensity":2774},{"mz":313.69,"intensity":5638},{"mz":317.06,"intensity":251600},{"mz":319.29,"intensity":449},{"mz":320.79,"intensity":1906},{"mz":322,"intensity":83100},{"mz":331.76,"intensity":4171},{"mz":333.07,"intensity":1327000},{"mz":340.19,"intensity":3177},{"mz":342.08,"intensity":247},{"mz":342.85,"intensity":3069},{"mz":346.94,"intensity":4932},{"mz":351.08,"intensity":589000},{"mz":354.64,"intensity":3994},{"mz":361.56,"intensity":4365},{"mz":376.7,"intensity":7050},{"mz":378.02,"intensity":2737},{"mz":397.69,"intensity":2070},{"mz":419.93,"intensity":295100},{"mz":436.36,"intensity":3689},{"mz":438.04,"intensity":171900}]
Structure
Common name
LTE4
LMID
Systematic name
5S-hydroxy-6R-(S-cysteinyl),7E,9E,11Z,14Z-eicosatetraenoic acid
m/z
438.2
Adduct / Ion
[M-H]-
Charge
-1
Ion source
ESI
Instrument
Waters Xevo TQ-XS Triple Quadrupole
Resolution
N/A
For high resolution data only
Ion mode
Negative
Collision Energy (CE)
18
Column
Waters Acquity Premier BEH C18 with VanGuard FIT, 130 Å, 1.7 µm, 2.1 x 100 mm
Mobile phase A
Milli-Q H2O + 0.1 % (v/v) acetic acid
Mobile phase B
ACN:IPA (90:10)
Retention time (min)
5.43
Amount injected
0.25 ng
DOI for method
Date acquired
March 2025
Submitters
Wheelock/Hagn
Source of standard
Cayman Chemical