Common Name
LM ID
Instrument
Adduct / Ion
Submitter
20-HEPE
Thermo Scientific Orbitrap Exploris 240
[M-H]-
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
[{"mz":54.01766968,"intensity":2862.2075195313},{"mz":57.03459549,"intensity":7005.94921875},{"mz":59.01388931,"intensity":124801.453125},{"mz":67.05532074,"intensity":11753.7802734375},{"mz":69.03468323,"intensity":20543.19921875},{"mz":71.01390839,"intensity":15171.8330078125},{"mz":71.05004883,"intensity":3476.8894042969},{"mz":81.07094574,"intensity":10474.9580078125},{"mz":83.05027771,"intensity":12073.1494140625},{"mz":85.06583405,"intensity":4288.0087890625},{"mz":91.05528259,"intensity":10027.26953125},{"mz":93.07102203,"intensity":11067.8369140625},{"mz":95.05007172,"intensity":4838.51171875},{"mz":95.08674622,"intensity":4798.4086914063},{"mz":97.06595612,"intensity":5893.2543945313},{"mz":100.9331741,"intensity":3699.2058105469},{"mz":101.0466537,"intensity":3593.0686035156},{"mz":105.0709229,"intensity":14101.4814453125},{"mz":107.0867538,"intensity":48695.58203125},{"mz":109.0661316,"intensity":5658.3598632813},{"mz":109.1022491,"intensity":5572.8447265625},{"mz":112.9859238,"intensity":4733.697265625},{"mz":115.0556488,"intensity":4351.8203125},{"mz":117.0711975,"intensity":8387.529296875},{"mz":119.0866699,"intensity":11562.486328125},{"mz":121.1024857,"intensity":37084.609375},{"mz":127.0768661,"intensity":3787.9033203125},{"mz":131.086792,"intensity":5285.1811523438},{"mz":133.1025848,"intensity":25492.30078125},{"mz":135.1181946,"intensity":23888.974609375},{"mz":137.1334839,"intensity":4134.703125},{"mz":141.0922241,"intensity":4581.9384765625},{"mz":143.0868073,"intensity":5382.6821289063},{"mz":147.0818329,"intensity":4345.8540039063},{"mz":147.1180573,"intensity":23438.45703125},{"mz":149.1337738,"intensity":38886.0078125},{"mz":153.0917816,"intensity":5714.9819335938},{"mz":159.1180115,"intensity":9351.5185546875},{"mz":161.1337738,"intensity":19342.470703125},{"mz":163.0765686,"intensity":6562.9946289063},{"mz":163.1496582,"intensity":20420.765625},{"mz":167.1076355,"intensity":5959.4458007813},{"mz":169.1234589,"intensity":4218.1591796875},{"mz":173.1337433,"intensity":8276.84765625},{"mz":175.1493835,"intensity":17082.576171875},{"mz":177.0921021,"intensity":11614.935546875},{"mz":181.1242371,"intensity":3974.4855957031},{"mz":187.149353,"intensity":4759.1909179688},{"mz":189.1651611,"intensity":24992.009765625},{"mz":191.1079712,"intensity":4860.3481445313},{"mz":193.12323,"intensity":4111.7412109375},{"mz":201.1651611,"intensity":52216.12890625},{"mz":209.1548615,"intensity":10029.2421875},{"mz":215.1807251,"intensity":8785.580078125},{"mz":217.1235657,"intensity":7799.9560546875},{"mz":217.1595459,"intensity":3876.6848144531},{"mz":217.196167,"intensity":7467.2573242188},{"mz":219.1753693,"intensity":11628.134765625},{"mz":221.1546783,"intensity":23410.212890625},{"mz":227.1806335,"intensity":7858.3081054688},{"mz":231.1402588,"intensity":4062.45703125},{"mz":233.1544495,"intensity":3531.4099121094},{"mz":235.1705017,"intensity":9884.4423828125},{"mz":239.1655121,"intensity":12957.8544921875},{"mz":241.1969452,"intensity":4591.4038085938},{"mz":243.2119751,"intensity":204580.453125},{"mz":245.1911926,"intensity":3906.1110839844},{"mz":250.7328796,"intensity":3003.8369140625},{"mz":250.9073639,"intensity":3165.58984375},{"mz":255.2120209,"intensity":353548.59375},{"mz":261.186615,"intensity":20223.201171875},{"mz":269.1915894,"intensity":14431.453125},{"mz":271.2075806,"intensity":10608.9921875},{"mz":273.18573,"intensity":9565.09375},{"mz":273.2226562,"intensity":181268.609375},{"mz":279.7791443,"intensity":3457.6689453125},{"mz":281.1915283,"intensity":11349.939453125},{"mz":287.2018738,"intensity":263322.53125},{"mz":289.2175903,"intensity":37781.47265625},{"mz":294.5349731,"intensity":3445.0402832031},{"mz":296.9862976,"intensity":3912.267578125},{"mz":299.2018433,"intensity":675525},{"mz":315.1969299,"intensity":5900.4946289063},{"mz":317.2123108,"intensity":2593897.25},{"mz":318.2157898,"intensity":11900.3681640625}]
Structure
Common name
20-HEPE
LMID
Systematic name
20-hydroxy-(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoic acid
m/z
317.2122
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
20-HEPE
Thermo Scientific Orbitrap Exploris 240
[M-H]-
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
[{"mz":50.01586914,"intensity":1887.8447265625},{"mz":50.04386902,"intensity":1649.2342529297},{"mz":55.62798309,"intensity":1538.7828369141},{"mz":57.03456116,"intensity":7383.8876953125},{"mz":59.01386642,"intensity":280757.96875},{"mz":65.03965759,"intensity":4205.1733398438},{"mz":66.44821167,"intensity":1719.3323974609},{"mz":67.05531311,"intensity":19574.59375},{"mz":69.03464508,"intensity":18286.0234375},{"mz":71.01391602,"intensity":29674.587890625},{"mz":71.05040741,"intensity":3694.1416015625},{"mz":81.03470612,"intensity":3833.8830566406},{"mz":81.07109833,"intensity":4731.515625},{"mz":83.05028534,"intensity":23445.498046875},{"mz":91.05541992,"intensity":5886.4926757813},{"mz":91.55991364,"intensity":1568.8770751953},{"mz":93.06772614,"intensity":1423.4533691406},{"mz":93.07092285,"intensity":10353.4404296875},{"mz":95.05033112,"intensity":6830.7495117188},{"mz":97.06596375,"intensity":7193.6484375},{"mz":105.0710678,"intensity":11202.310546875},{"mz":106.0421371,"intensity":2230.1318359375},{"mz":107.0501709,"intensity":2434.5112304688},{"mz":107.0866852,"intensity":38871.8203125},{"mz":109.0659103,"intensity":4992.552734375},{"mz":110.9311981,"intensity":1526.2856445313},{"mz":111.0814438,"intensity":1640.7456054688},{"mz":115.0551834,"intensity":3977.8425292969},{"mz":117.0712128,"intensity":5650.849609375},{"mz":119.0506744,"intensity":1812.7523193359},{"mz":119.0867844,"intensity":16702.123046875},{"mz":121.1023483,"intensity":26960.28515625},{"mz":123.0816345,"intensity":3670.8566894531},{"mz":125.097229,"intensity":2390.5012207031},{"mz":127.0766754,"intensity":2809.2338867188},{"mz":131.0865631,"intensity":2914.3583984375},{"mz":133.0664673,"intensity":1992.8522949219},{"mz":133.102417,"intensity":25371.58984375},{"mz":134.073822,"intensity":1809.6196289063},{"mz":135.081665,"intensity":3865.5009765625},{"mz":135.1180573,"intensity":16781.15234375},{"mz":141.0922089,"intensity":4011.142578125},{"mz":141.1959534,"intensity":1689.0838623047},{"mz":145.102356,"intensity":4584.9135742188},{"mz":147.0820007,"intensity":2047.6260986328},{"mz":147.1179504,"intensity":19763.232421875},{"mz":149.0971985,"intensity":2751.6262207031},{"mz":149.1336212,"intensity":13909.8916015625},{"mz":151.1129456,"intensity":2020.9539794922},{"mz":153.0923767,"intensity":3472.6357421875},{"mz":159.0818787,"intensity":2656.8889160156},{"mz":159.1178894,"intensity":6888.486328125},{"mz":159.7569885,"intensity":1481.4528808594},{"mz":161.1337585,"intensity":12689.6962890625},{"mz":163.0765228,"intensity":6017.0327148438},{"mz":163.1492615,"intensity":6792.017578125},{"mz":163.2447052,"intensity":1413.1788330078},{"mz":167.1077271,"intensity":6655.1606445313},{"mz":170.2283783,"intensity":1494.9838867188},{"mz":171.1183472,"intensity":1464.2791748047},{"mz":173.0975647,"intensity":2165.5014648438},{"mz":173.1334534,"intensity":7159.8344726563},{"mz":174.105545,"intensity":2191.771484375},{"mz":175.1128235,"intensity":3560.3017578125},{"mz":175.1494751,"intensity":6232.89453125},{"mz":177.092041,"intensity":9456.412109375},{"mz":181.1236725,"intensity":1751.4940185547},{"mz":187.149231,"intensity":3698.6455078125},{"mz":189.1286163,"intensity":3679.3068847656},{"mz":189.1652527,"intensity":19898},{"mz":191.1076813,"intensity":4023.1379394531},{"mz":191.1443481,"intensity":2398.0732421875},{"mz":193.1233368,"intensity":2943.5480957031},{"mz":198.1225128,"intensity":1563.1571044922},{"mz":201.1648102,"intensity":16872.720703125},{"mz":205.1240082,"intensity":1776.6849365234},{"mz":207.1392212,"intensity":2771.8171386719},{"mz":209.1547394,"intensity":6276.7973632813},{"mz":213.1644745,"intensity":2899.6794433594},{"mz":215.1803894,"intensity":9301.5048828125},{"mz":217.1233368,"intensity":4329.197265625},{"mz":221.1546783,"intensity":7313.2651367188},{"mz":223.3453522,"intensity":1425.0187988281},{"mz":227.1809235,"intensity":7219.474609375},{"mz":229.1958618,"intensity":1936.3131103516},{"mz":231.1391449,"intensity":3654.1779785156},{"mz":233.1546783,"intensity":4677.7548828125},{"mz":235.1703796,"intensity":4803.0922851563},{"mz":239.1656036,"intensity":2584.1271972656},{"mz":243.2118988,"intensity":53982.6015625},{"mz":245.1906433,"intensity":3145.7399902344},{"mz":255.2119751,"intensity":42951.359375},{"mz":261.1859131,"intensity":6524.7758789063},{"mz":269.1913452,"intensity":5596.7456054688},{"mz":271.2065125,"intensity":2921.9611816406},{"mz":273.1863708,"intensity":3304.3098144531},{"mz":273.2227173,"intensity":22420.341796875},{"mz":281.1909485,"intensity":4429.6181640625},{"mz":287.182373,"intensity":3192.9909667969},{"mz":287.2018127,"intensity":48557.73046875},{"mz":289.2176514,"intensity":8943.955078125},{"mz":299.2018433,"intensity":42908.4609375},{"mz":299.8443298,"intensity":1436.1264648438},{"mz":315.1965027,"intensity":2237.2333984375},{"mz":317.2123718,"intensity":51254.12890625},{"mz":342.363739,"intensity":1656.8216552734},{"mz":343.1517944,"intensity":1647.3723144531}]
Structure
Common name
20-HEPE
LMID
Systematic name
20-hydroxy-(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoic acid
m/z
317.2122
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)
35,45,55
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)
4.5
Amount injected
25 pmol
DOI for method
Date acquired
March 2025
Submitters
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
Source of standard
Cayman
20-HEPE
Thermo Scientific Orbitrap Exploris 240
[M-H]-
Fedorova Lab (LMAI) - Gabriele Lombardi Bendoula
[{"mz":56.37522507,"intensity":2117.6909179688},{"mz":57.03460693,"intensity":11937.14453125},{"mz":58.02930832,"intensity":2188.7890625},{"mz":59.01385498,"intensity":226494.859375},{"mz":59.99930191,"intensity":1938.3807373047},{"mz":65.039711,"intensity":3151.5285644531},{"mz":67.05532074,"intensity":19578.74609375},{"mz":69.03459167,"intensity":28201.20703125},{"mz":70.77761841,"intensity":2293.8972167969},{"mz":71.01387787,"intensity":19590.998046875},{"mz":71.05039215,"intensity":7382.4135742188},{"mz":79.05534363,"intensity":2803.0322265625},{"mz":81.03461456,"intensity":4937.7153320313},{"mz":81.070961,"intensity":13508.6123046875},{"mz":83.02061462,"intensity":2091.8249511719},{"mz":83.05027008,"intensity":21590.083984375},{"mz":85.065979,"intensity":2689.2932128906},{"mz":91.055336,"intensity":11193.537109375},{"mz":92.89710999,"intensity":1954.0338134766},{"mz":93.07094574,"intensity":16432.01953125},{"mz":95.05044556,"intensity":6609.6420898438},{"mz":95.08683777,"intensity":5762.2431640625},{"mz":96.21055603,"intensity":2139.9973144531},{"mz":97.06603241,"intensity":5662.8974609375},{"mz":105.0709305,"intensity":19633.75390625},{"mz":106.0426712,"intensity":4359.8427734375},{"mz":107.0866776,"intensity":49642.3203125},{"mz":108.058075,"intensity":2964.7185058594},{"mz":109.066124,"intensity":7694.0688476563},{"mz":109.1025391,"intensity":6218.390625},{"mz":109.4501114,"intensity":2422.7866210938},{"mz":111.0817413,"intensity":4058.1455078125},{"mz":112.531662,"intensity":1966.0196533203},{"mz":112.9857788,"intensity":3396.552734375},{"mz":113.0611572,"intensity":2860.521484375},{"mz":113.0972366,"intensity":2889.8310546875},{"mz":115.0552902,"intensity":3110.8364257813},{"mz":117.0711823,"intensity":8798.1591796875},{"mz":119.0865707,"intensity":15616.2177734375},{"mz":121.1023102,"intensity":40901.08984375},{"mz":123.1181259,"intensity":4236.3974609375},{"mz":125.0971603,"intensity":4344.0268554688},{"mz":127.0766754,"intensity":5165.080078125},{"mz":131.0869293,"intensity":4112.5732421875},{"mz":133.1023865,"intensity":37466.13671875},{"mz":134.0739441,"intensity":2413.1015625},{"mz":135.0816498,"intensity":3578.638671875},{"mz":135.1179047,"intensity":28420.400390625},{"mz":141.0922394,"intensity":3648.5422363281},{"mz":143.0868988,"intensity":4420.1372070313},{"mz":145.1022339,"intensity":4545.9052734375},{"mz":147.0814056,"intensity":2686.7358398438},{"mz":147.1179962,"intensity":27951.66796875},{"mz":149.0971069,"intensity":3135.8740234375},{"mz":149.1335754,"intensity":43161.87890625},{"mz":153.092514,"intensity":3221.6459960938},{"mz":153.1285248,"intensity":2824.0249023438},{"mz":157.1027069,"intensity":2305.9501953125},{"mz":159.0814972,"intensity":3767.6315917969},{"mz":159.1181183,"intensity":6310.1157226563},{"mz":161.0974884,"intensity":3034.8576660156},{"mz":161.1336212,"intensity":23482.244140625},{"mz":163.0765686,"intensity":13032.7001953125},{"mz":163.1493988,"intensity":21086.701171875},{"mz":167.1079712,"intensity":8913.12109375},{"mz":167.1443787,"intensity":3136.7028808594},{"mz":173.1335297,"intensity":10042.2353515625},{"mz":174.7680206,"intensity":2016.3228759766},{"mz":175.1128693,"intensity":6879.7758789063},{"mz":175.149231,"intensity":16412.03515625},{"mz":177.0922394,"intensity":22031.73046875},{"mz":177.1650391,"intensity":2926.9399414063},{"mz":179.1082458,"intensity":2795.0090332031},{"mz":179.1441498,"intensity":3108.4343261719},{"mz":181.1238251,"intensity":5336.9072265625},{"mz":183.1387939,"intensity":2168.8154296875},{"mz":187.149231,"intensity":4714.2861328125},{"mz":189.1287994,"intensity":4920.0048828125},{"mz":189.1649475,"intensity":40863.15234375},{"mz":191.107666,"intensity":6483.9326171875},{"mz":195.1393433,"intensity":5232.5932617188},{"mz":201.1531067,"intensity":2581.2160644531},{"mz":201.164917,"intensity":53381.55859375},{"mz":203.144104,"intensity":5372.9448242188},{"mz":209.1547546,"intensity":12189.28515625},{"mz":213.1646576,"intensity":3647.4624023438},{"mz":215.1435394,"intensity":2241.4196777344},{"mz":215.1804352,"intensity":17442.19921875},{"mz":217.1232758,"intensity":8135.0415039063},{"mz":217.1603088,"intensity":2548.7824707031},{"mz":217.1963043,"intensity":6591.8666992188},{"mz":219.1390381,"intensity":3090.6687011719},{"mz":219.1753387,"intensity":12007.4990234375},{"mz":220.5721283,"intensity":2366.9458007813},{"mz":221.1546326,"intensity":20003.77734375},{"mz":227.1809082,"intensity":6885.8862304688},{"mz":233.1544189,"intensity":7872.9033203125},{"mz":235.1704712,"intensity":13981.662109375},{"mz":239.1647644,"intensity":11454.599609375},{"mz":241.1959686,"intensity":3226.947265625},{"mz":243.2118683,"intensity":205637.28125},{"mz":245.1915588,"intensity":10005.20703125},{"mz":247.1707611,"intensity":2994.2006835938},{"mz":253.1961517,"intensity":2611.5078125},{"mz":255.2118683,"intensity":271670.46875},{"mz":257.1915588,"intensity":3155.0583496094},{"mz":261.1862488,"intensity":24276.11328125},{"mz":269.1916809,"intensity":14950.8544921875},{"mz":271.1705627,"intensity":3095.3049316406},{"mz":271.2076721,"intensity":11922.41015625},{"mz":273.1863403,"intensity":13307.28515625},{"mz":273.2224731,"intensity":126789.8671875},{"mz":281.1913757,"intensity":11739.7998046875},{"mz":287.2017822,"intensity":243742.125},{"mz":289.2174072,"intensity":39257.29296875},{"mz":297.1871948,"intensity":3211.6264648438},{"mz":299.2016907,"intensity":392279.53125},{"mz":315.1967163,"intensity":7036.3061523438},{"mz":317.2121887,"intensity":771166.4375},{"mz":318.2147522,"intensity":4771.01171875},{"mz":322.7293396,"intensity":2445.0202636719}]
Structure
Common name
20-HEPE
LMID
Systematic name
20-hydroxy-(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoic acid
m/z
317.2122
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)
25,33,45
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
20-HEPE
Sciex 5500, QqQ
[M-H]-
N.Kampschulte, M.A.Chromik, R.Kirchhoff, A.Löwen, K.Mosel, K.Plitzko, L.Scholz, L.Wende, M.Wiebel, N.H.Schebb
[{"mz":58.9458,"intensity":66000},{"mz":66.9,"intensity":9000},{"mz":92.6,"intensity":3000},{"mz":93.0611,"intensity":16500},{"mz":95.1417,"intensity":19000},{"mz":105.4,"intensity":4500},{"mz":106.99,"intensity":39500},{"mz":109.13,"intensity":32000},{"mz":112.9767,"intensity":66500},{"mz":117.1571,"intensity":8500},{"mz":118.9538,"intensity":13500},{"mz":120.6857,"intensity":10000},{"mz":121.1695,"intensity":56000},{"mz":122.85,"intensity":21000},{"mz":126.725,"intensity":3000},{"mz":127,"intensity":4500},{"mz":133,"intensity":46500},{"mz":135.0222,"intensity":43000},{"mz":137.2,"intensity":18000},{"mz":140.8956,"intensity":227500},{"mz":143.0381,"intensity":39000},{"mz":144.8875,"intensity":7500},{"mz":145.1,"intensity":3000},{"mz":145.3,"intensity":13500},{"mz":147.0909,"intensity":50500},{"mz":149.0845,"intensity":99500},{"mz":152.86,"intensity":8500},{"mz":153.2133,"intensity":18500},{"mz":154.9,"intensity":3000},{"mz":155.15,"intensity":3000},{"mz":158.8192,"intensity":25000},{"mz":160.7,"intensity":4500},{"mz":160.9,"intensity":5000},{"mz":161.25,"intensity":30500},{"mz":163.218,"intensity":119000},{"mz":164.8,"intensity":10000},{"mz":166.9333,"intensity":8500},{"mz":167.2167,"intensity":6500},{"mz":168.8095,"intensity":11000},{"mz":169.4,"intensity":3500},{"mz":170.9222,"intensity":12500},{"mz":172.75,"intensity":10500},{"mz":173.2235,"intensity":12000},{"mz":175.0198,"intensity":71000},{"mz":175.8857,"intensity":9500},{"mz":177.019,"intensity":57500},{"mz":181.0541,"intensity":43000},{"mz":184.99,"intensity":12500},{"mz":186.6,"intensity":3000},{"mz":187.075,"intensity":6000},{"mz":189.1155,"intensity":153000},{"mz":190.6,"intensity":24000},{"mz":191.06,"intensity":117500},{"mz":192.8737,"intensity":40000},{"mz":201.1575,"intensity":197000},{"mz":203.0727,"intensity":25000},{"mz":205.075,"intensity":14000},{"mz":209.02,"intensity":24500},{"mz":212.925,"intensity":70500},{"mz":214.9688,"intensity":30000},{"mz":217.0875,"intensity":57500},{"mz":219.22,"intensity":51500},{"mz":221.1686,"intensity":79000},{"mz":222.7,"intensity":7500},{"mz":223.2,"intensity":3500},{"mz":228.68,"intensity":7000},{"mz":229.0935,"intensity":36000},{"mz":230.77,"intensity":12000},{"mz":231.1,"intensity":20500},{"mz":232.8681,"intensity":101000},{"mz":234.9114,"intensity":647500},{"mz":236.7,"intensity":7000},{"mz":236.88,"intensity":11000},{"mz":237.2,"intensity":3000},{"mz":239.0607,"intensity":28500},{"mz":240.9375,"intensity":12500},{"mz":243.1109,"intensity":727500},{"mz":245.29,"intensity":12000},{"mz":246.875,"intensity":3000},{"mz":247.2,"intensity":10000},{"mz":249,"intensity":28500},{"mz":251,"intensity":5500},{"mz":251.2,"intensity":11000},{"mz":253.0375,"intensity":37500},{"mz":255.183,"intensity":1084000},{"mz":256.9786,"intensity":150000},{"mz":257.6,"intensity":3000},{"mz":258.9,"intensity":4000},{"mz":261.0914,"intensity":69500},{"mz":266.8515,"intensity":20500},{"mz":267.2,"intensity":23000},{"mz":268.9975,"intensity":64500},{"mz":270.8,"intensity":9500},{"mz":271,"intensity":8500},{"mz":271.39,"intensity":29500},{"mz":273.1536,"intensity":551500},{"mz":276.9426,"intensity":155500},{"mz":281.1833,"intensity":29500},{"mz":287.1256,"intensity":701500},{"mz":289.1114,"intensity":158500},{"mz":296.9399,"intensity":224000},{"mz":299.1417,"intensity":958000},{"mz":314.9083,"intensity":22000},{"mz":315.3182,"intensity":4500},{"mz":317.0965,"intensity":1929000}]
Structure
Common name
20-HEPE
LMID
Systematic name
20-hydroxy-(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoic acid
m/z
317.2
Adduct / Ion
[M-H]-
Charge
-1
Ion source
ESI
Instrument
Sciex 5500, QqQ
Resolution
N/A
For high resolution data only
Ion mode
Negative
Collision Energy (CE)
-15 - -25
Column
Zorbax Eclipse Plus C18 reversed phase column (2.1 x 150 mm, particle size 1.8 mm; Agilent, Waldbronn, Germany)
Mobile phase A
95/5 (v/v) 0.1% acetic acid (aq)/Eluent B
Mobile phase B
800/150/1 (v/v/v) acetonitrile/methanol/acetic acid
Retention time (min)
17.56
Amount injected
~ 0.3 ng
DOI for method
Date acquired
April 2025
Submitters
N.Kampschulte, M.A.Chromik, R.Kirchhoff, A.Löwen, K.Mosel, K.Plitzko, L.Scholz, L.Wende, M.Wiebel, N.H.Schebb
Source of standard
Cayman Chemical
20-HEPE
Sciex 6500+/QTrap
[M-H]-
N.Kampschulte, M.A.Chromik, R.Kirchhoff, A.Löwen, K.Mosel, K.Plitzko, L.Scholz, L.Wende, M.Wiebel, N.H.Schebb
[{"mz":58.9385,"intensity":77813},{"mz":67.1,"intensity":10938},{"mz":68.76,"intensity":2500},{"mz":69.2,"intensity":1562.5},{"mz":71.225,"intensity":3750},{"mz":80.9143,"intensity":15313},{"mz":82.8222,"intensity":2187.5},{"mz":83.1,"intensity":1562.5},{"mz":91.1167,"intensity":2500},{"mz":92.6,"intensity":7812.5},{"mz":93.0692,"intensity":15000},{"mz":95.1613,"intensity":18125},{"mz":97.2,"intensity":1562.5},{"mz":104.7,"intensity":2187.5},{"mz":105.0286,"intensity":8437.5},{"mz":105.4,"intensity":1875},{"mz":107.0122,"intensity":47188},{"mz":108.9519,"intensity":34375},{"mz":113.1,"intensity":2812.5},{"mz":113.3,"intensity":3750},{"mz":114.9,"intensity":2812.5},{"mz":116.94,"intensity":10000},{"mz":117.3,"intensity":1875},{"mz":118.9923,"intensity":12188},{"mz":121.1304,"intensity":47500},{"mz":123.1,"intensity":18438},{"mz":130.6417,"intensity":5000},{"mz":131.0125,"intensity":11875},{"mz":132.64,"intensity":5625},{"mz":133.0458,"intensity":35938},{"mz":134.4,"intensity":1562.5},{"mz":135.0714,"intensity":40938},{"mz":137.0654,"intensity":17500},{"mz":138.8,"intensity":5625},{"mz":140.9654,"intensity":116880},{"mz":142.8235,"intensity":5937.5},{"mz":143.1875,"intensity":10313},{"mz":144.8,"intensity":4687.5},{"mz":145,"intensity":8125},{"mz":145.2,"intensity":2812.5},{"mz":146.9458,"intensity":51875},{"mz":149.0211,"intensity":83125},{"mz":151,"intensity":4375},{"mz":152.7,"intensity":2812.5},{"mz":153.2167,"intensity":1875},{"mz":153.4,"intensity":1875},{"mz":154.9571,"intensity":5937.5},{"mz":155.3,"intensity":1562.5},{"mz":158.9359,"intensity":49688},{"mz":160.9951,"intensity":39063},{"mz":161.3,"intensity":5937.5},{"mz":163.078,"intensity":95313},{"mz":165.14,"intensity":3437.5},{"mz":166.9273,"intensity":5000},{"mz":168.9667,"intensity":15938},{"mz":173.063,"intensity":14375},{"mz":175.0561,"intensity":73750},{"mz":175.9083,"intensity":9062.5},{"mz":176.19,"intensity":2812.5},{"mz":176.9667,"intensity":47500},{"mz":179.0833,"intensity":3437.5},{"mz":179.3,"intensity":1562.5},{"mz":179.4833,"intensity":3125},{"mz":180.6905,"intensity":15313},{"mz":181.1643,"intensity":6250},{"mz":183,"intensity":2812.5},{"mz":184.8167,"intensity":2500},{"mz":185.2692,"intensity":4062.5},{"mz":187.0286,"intensity":15000},{"mz":189.1106,"intensity":100940},{"mz":190.9946,"intensity":84688},{"mz":192.8562,"intensity":12500},{"mz":193.2,"intensity":6562.5},{"mz":194.8714,"intensity":18750},{"mz":199.2,"intensity":2812.5},{"mz":201.1338,"intensity":154380},{"mz":203.0091,"intensity":20313},{"mz":204.7,"intensity":4062.5},{"mz":205.0818,"intensity":5937.5},{"mz":205.3625,"intensity":1562.5},{"mz":206.9,"intensity":5625},{"mz":208,"intensity":1562.5},{"mz":208.6571,"intensity":5000},{"mz":209.161,"intensity":17813},{"mz":211.1,"intensity":5625},{"mz":212.8731,"intensity":30000},{"mz":214.9929,"intensity":35000},{"mz":217.0552,"intensity":59063},{"mz":218.6375,"intensity":3125},{"mz":218.9067,"intensity":19688},{"mz":219.3,"intensity":15000},{"mz":221.1111,"intensity":71875},{"mz":223.2,"intensity":3437.5},{"mz":226.9167,"intensity":6875},{"mz":227.1,"intensity":6875},{"mz":227.3125,"intensity":11250},{"mz":228.5538,"intensity":5000},{"mz":228.9,"intensity":12188},{"mz":229.2333,"intensity":20313},{"mz":230.8,"intensity":10313},{"mz":231.2778,"intensity":6250},{"mz":232.6409,"intensity":8750},{"mz":233.1231,"intensity":19375},{"mz":234.9481,"intensity":371880},{"mz":237.2222,"intensity":3125},{"mz":239.105,"intensity":29688},{"mz":241.1,"intensity":1562.5},{"mz":241.4,"intensity":1875},{"mz":243.1734,"intensity":620310},{"mz":244.925,"intensity":8750},{"mz":245.3,"intensity":1875},{"mz":247.1633,"intensity":17188},{"mz":248.7222,"intensity":10625},{"mz":249.1167,"intensity":4375},{"mz":250.7,"intensity":2187.5},{"mz":252.9,"intensity":5937.5},{"mz":253.16,"intensity":14688},{"mz":255.1951,"intensity":850630},{"mz":256.95,"intensity":80313},{"mz":261.1696,"intensity":62813},{"mz":263.4,"intensity":2187.5},{"mz":267.1118,"intensity":14688},{"mz":269.1233,"intensity":36563},{"mz":271.2352,"intensity":43125},{"mz":273.2079,"intensity":380000},{"mz":276.5,"intensity":6250},{"mz":276.9934,"intensity":49688},{"mz":280.5,"intensity":1562.5},{"mz":281.0226,"intensity":23750},{"mz":287.1525,"intensity":552500},{"mz":289.2624,"intensity":90625},{"mz":297.0443,"intensity":79063},{"mz":299.1685,"intensity":694690},{"mz":302.3,"intensity":1875},{"mz":315.2,"intensity":3750},{"mz":315.4,"intensity":2187.5},{"mz":317.1482,"intensity":1095600}]
Structure
Common name
20-HEPE
LMID
Systematic name
20-hydroxy-(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoic acid
m/z
317.2
Adduct / Ion
[M-H]-
Charge
-1
Ion source
ESI
Instrument
Sciex 6500+/QTrap
Resolution
N/A
For high resolution data only
Ion mode
Negative
Collision Energy (CE)
-15 - -25
Column
Zorbax Eclipse Plus C18 reversed phase column (2.1 x 150 mm, particle size 1.8 mm; Agilent, Waldbronn, Germany)
Mobile phase A
95/5 (v/v) 0.1% acetic acid (aq)/Eluent B
Mobile phase B
800/150/1 (v/v/v) acetonitrile/methanol/acetic acid
Retention time (min)
17.56
Amount injected
~ 0.3 ng
DOI for method
Date acquired
February 2025
Submitters
N.Kampschulte, M.A.Chromik, R.Kirchhoff, A.Löwen, K.Mosel, K.Plitzko, L.Scholz, L.Wende, M.Wiebel, N.H.Schebb
Source of standard
Cayman Chemical
20-HEPE
Thermo QExactive HF
[M-H]-
N.Kampschulte, M.A.Chromik, R.Kirchhoff, A.Löwen, K.Mosel, K.Plitzko, L.Scholz, L.Wende, M.Wiebel, N.H.Schebb
[{"mz":55.8892097473145,"intensity":3666.46166992188},{"mz":57.7258796691895,"intensity":3116.44091796875},{"mz":59.0125846862793,"intensity":4350.42578125},{"mz":59.0134201049805,"intensity":74481.609375},{"mz":63.3827743530273,"intensity":3292.00415039063},{"mz":67.0415573120117,"intensity":3739.17260742188},{"mz":68.3974304199219,"intensity":3384.24731445313},{"mz":69.0343017578125,"intensity":9089.046875},{"mz":70.135383605957,"intensity":3093.69116210938},{"mz":71.0135040283203,"intensity":6945.03759765625},{"mz":82.9142227172852,"intensity":3015.720703125},{"mz":83.050048828125,"intensity":3038.24072265625},{"mz":91.055305480957,"intensity":3099.65673828125},{"mz":101.990531921387,"intensity":2784.31591796875},{"mz":102.301902770996,"intensity":4349.3671875},{"mz":105.070816040039,"intensity":4197.37451171875},{"mz":107.086563110352,"intensity":17179.130859375},{"mz":109.065727233887,"intensity":3618.23046875},{"mz":111.285194396973,"intensity":3087.28955078125},{"mz":115.490417480469,"intensity":2846.70190429688},{"mz":117.070846557617,"intensity":4656.14697265625},{"mz":119.086479187012,"intensity":7277.0693359375},{"mz":121.102279663086,"intensity":14255.1240234375},{"mz":121.517021179199,"intensity":2977.18017578125},{"mz":121.63550567627,"intensity":2951.79296875},{"mz":132.703125,"intensity":2953.0380859375},{"mz":133.102172851563,"intensity":12578.888671875},{"mz":134.392608642578,"intensity":3557.89721679688},{"mz":135.117904663086,"intensity":5235.2275390625},{"mz":136.271987915039,"intensity":3033.42797851563},{"mz":141.221969604492,"intensity":3354.55004882813},{"mz":146.82600402832,"intensity":3631.97387695313},{"mz":147.117782592773,"intensity":15411.349609375},{"mz":149.133529663086,"intensity":7090.341796875},{"mz":150.84375,"intensity":3464.83349609375},{"mz":161.097213745117,"intensity":4270.92236328125},{"mz":161.133407592773,"intensity":3885.85620117188},{"mz":163.076583862305,"intensity":4030.60180664063},{"mz":163.149261474609,"intensity":5676.75927734375},{"mz":174.940216064453,"intensity":3780.052734375},{"mz":175.149398803711,"intensity":3238.90771484375},{"mz":177.092025756836,"intensity":7363.73876953125},{"mz":189.164825439453,"intensity":12641.2939453125},{"mz":195.239959716797,"intensity":3307.34301757813},{"mz":201.16487121582,"intensity":13527.2392578125},{"mz":209.154541015625,"intensity":4916.92529296875},{"mz":210.998748779297,"intensity":4170.111328125},{"mz":215.180374145508,"intensity":6635.1572265625},{"mz":221.154769897461,"intensity":5749.02099609375},{"mz":228.989242553711,"intensity":7074.533203125},{"mz":235.170394897461,"intensity":7206.23876953125},{"mz":243.211624145508,"intensity":48098.6328125},{"mz":248.995590209961,"intensity":6675.11669921875},{"mz":255.211868286133,"intensity":59342.94921875},{"mz":256.984191894531,"intensity":36052.78125},{"mz":257.003143310547,"intensity":4375.4990234375},{"mz":266.986450195313,"intensity":5005.4052734375},{"mz":269.191589355469,"intensity":4094.16040039063},{"mz":271.206726074219,"intensity":4585.0849609375},{"mz":273.222503662109,"intensity":29513.271484375},{"mz":276.075378417969,"intensity":3469.32690429688},{"mz":276.825592041016,"intensity":3604.33984375},{"mz":276.990417480469,"intensity":26830.5078125},{"mz":277.009124755859,"intensity":8827.4052734375},{"mz":285.713653564453,"intensity":3852.64233398438},{"mz":287.201599121094,"intensity":61933.78515625},{"mz":288.073455810547,"intensity":3411.35278320313},{"mz":289.217315673828,"intensity":8569.560546875},{"mz":296.996673583984,"intensity":23934.33203125},{"mz":297.015380859375,"intensity":9980.41796875},{"mz":299.201599121094,"intensity":57859.0703125},{"mz":302.185882568359,"intensity":3298.58715820313},{"mz":302.833343505859,"intensity":7607.42041015625},{"mz":315.195587158203,"intensity":3767.62768554688},{"mz":316.983764648438,"intensity":30392.544921875},{"mz":317.002807617188,"intensity":15003.9833984375},{"mz":317.212066650391,"intensity":95901.0390625},{"mz":328.523651123047,"intensity":3363.95068359375}]
Structure
Common name
20-HEPE
LMID
Systematic name
20-hydroxy-(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoic acid
m/z
317.2
Adduct / Ion
[M-H]-
Charge
-1
Ion source
HESI
Instrument
Thermo QExactive HF
Resolution
Not Available
For high resolution data only
Ion mode
Negative
Collision Energy (CE)
30
Column
Zorbax Eclipse Plus C18 reversed phase column (2.1 x 150 mm, particle size 1.8 mm; Agilent, Waldbronn, Germany)
Mobile phase A
95/5 (v/v) 0.1% acetic acid (aq)/Eluent B
Mobile phase B
800/150/1 (v/v/v) acetonitrile/methanol/acetic acid
Retention time (min)
17.56
Amount injected
~ 0.3 ng
DOI for method
Date acquired
February 2025
Submitters
N.Kampschulte, M.A.Chromik, R.Kirchhoff, A.Löwen, K.Mosel, K.Plitzko, L.Scholz, L.Wende, M.Wiebel, N.H.Schebb
Source of standard
Cayman Chemical
[{"mz":54.83,"intensity":7908},{"mz":56.67,"intensity":2690},{"mz":57.69,"intensity":17620},{"mz":58.94,"intensity":247200},{"mz":64.53,"intensity":3073},{"mz":65.29,"intensity":14640},{"mz":66.7,"intensity":16890},{"mz":67.3,"intensity":27570},{"mz":68.92,"intensity":71540},{"mz":71.06,"intensity":64040},{"mz":72.7,"intensity":2721},{"mz":73.22,"intensity":3070},{"mz":79.17,"intensity":3530},{"mz":79.96,"intensity":5199},{"mz":81.07,"intensity":72530},{"mz":83.02,"intensity":90280},{"mz":85.17,"intensity":16430},{"mz":86.19,"intensity":826},{"mz":89.13,"intensity":3948},{"mz":90.95,"intensity":70230},{"mz":93.04,"intensity":109000},{"mz":95.06,"intensity":139400},{"mz":97.02,"intensity":91340},{"mz":99.02,"intensity":12910},{"mz":100.96,"intensity":5614},{"mz":101.74,"intensity":371},{"mz":105.13,"intensity":138000},{"mz":106,"intensity":8098},{"mz":107.04,"intensity":354200},{"mz":108.01,"intensity":1850},{"mz":109.02,"intensity":119000},{"mz":110.88,"intensity":23180},{"mz":111.54,"intensity":3755},{"mz":112.84,"intensity":19870},{"mz":113.4,"intensity":4299},{"mz":113.92,"intensity":959},{"mz":115.03,"intensity":11630},{"mz":116.62,"intensity":7266},{"mz":117.13,"intensity":89110},{"mz":119.15,"intensity":106900},{"mz":121.01,"intensity":299900},{"mz":123.11,"intensity":41950},{"mz":124.89,"intensity":5909},{"mz":126.21,"intensity":14050},{"mz":127.34,"intensity":27120},{"mz":129.91,"intensity":2833},{"mz":131.38,"intensity":10890},{"mz":132.53,"intensity":14910},{"mz":133.12,"intensity":181300},{"mz":134,"intensity":2135},{"mz":135.09,"intensity":205100},{"mz":136.99,"intensity":48120},{"mz":138.7,"intensity":6589},{"mz":139.23,"intensity":18980},{"mz":142.45,"intensity":7760},{"mz":143.14,"intensity":34130},{"mz":145.02,"intensity":79550},{"mz":147.09,"intensity":294400},{"mz":149.1,"intensity":335000},{"mz":151.34,"intensity":5982},{"mz":152.13,"intensity":811},{"mz":153.09,"intensity":21250},{"mz":154.97,"intensity":32310},{"mz":157.44,"intensity":281},{"mz":158.12,"intensity":4465},{"mz":159.1,"intensity":116900},{"mz":160.18,"intensity":1761},{"mz":161.11,"intensity":313800},{"mz":161.93,"intensity":7224},{"mz":163.02,"intensity":286200},{"mz":165.36,"intensity":36810},{"mz":166.63,"intensity":18730},{"mz":167.24,"intensity":15840},{"mz":170.92,"intensity":36470},{"mz":172.68,"intensity":9616},{"mz":173.23,"intensity":53390},{"mz":174.05,"intensity":7114},{"mz":175.15,"intensity":208100},{"mz":177.07,"intensity":203500},{"mz":179.06,"intensity":13980},{"mz":181.21,"intensity":12940},{"mz":189.09,"intensity":393900},{"mz":190.58,"intensity":440},{"mz":191.14,"intensity":96950},{"mz":194.19,"intensity":8579},{"mz":195.19,"intensity":22750},{"mz":196.92,"intensity":5695},{"mz":199.05,"intensity":29420},{"mz":199.59,"intensity":1117},{"mz":201.15,"intensity":512100},{"mz":202.13,"intensity":7370},{"mz":202.99,"intensity":32330},{"mz":207.26,"intensity":22780},{"mz":208.98,"intensity":37340},{"mz":210.26,"intensity":1179},{"mz":215.17,"intensity":88230},{"mz":216.65,"intensity":6813},{"mz":217.21,"intensity":32520},{"mz":217.84,"intensity":3997},{"mz":218.48,"intensity":1602},{"mz":219.09,"intensity":64870},{"mz":221.18,"intensity":81240},{"mz":223.34,"intensity":5246},{"mz":225.5,"intensity":2275},{"mz":227.32,"intensity":40360},{"mz":229,"intensity":13390},{"mz":231.12,"intensity":26360},{"mz":236.57,"intensity":1144},{"mz":237.11,"intensity":730},{"mz":239.33,"intensity":30110},{"mz":240.98,"intensity":10220},{"mz":243.18,"intensity":1248000},{"mz":245.19,"intensity":49750},{"mz":247.44,"intensity":7263},{"mz":248.6,"intensity":3167},{"mz":251.23,"intensity":31390},{"mz":255.13,"intensity":1695000},{"mz":258.01,"intensity":7797},{"mz":259.55,"intensity":3999},{"mz":261.03,"intensity":145500},{"mz":263.36,"intensity":5959},{"mz":266.66,"intensity":3814},{"mz":269.1,"intensity":91230},{"mz":270.63,"intensity":1655},{"mz":271.15,"intensity":81160},{"mz":273.1,"intensity":623900},{"mz":279.06,"intensity":5041},{"mz":280.63,"intensity":9572},{"mz":281.17,"intensity":84590},{"mz":284.97,"intensity":11530},{"mz":287.13,"intensity":783500},{"mz":289.15,"intensity":216200},{"mz":292.53,"intensity":324},{"mz":299.08,"intensity":1432000},{"mz":300.95,"intensity":13100},{"mz":315.1,"intensity":46470},{"mz":317.11,"intensity":1438000}]
Structure
Common name
20-HEPE
LMID
Systematic name
20-hydroxy-(5Z,8Z,11Z,14Z,17Z)-eicosapentaenoic acid
m/z
317.2
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)
7.71
Amount injected
0.25 ng
DOI for method
Date acquired
March 2025
Submitters
Wheelock/Hagn
Source of standard
Cayman Chemical