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Eicosatetraenoic acid, 5,8,11,14-(Z,Z,Z,Z)- (1TMS)

 

Replica Mass Spectra of Eicosatetraenoic acid, 5,8,11,14-(Z,Z,Z,Z)- (1TMS)

replicalib entry datedetectionmethodspecies
126 November 2004  M[FAME4090]Standard
212 May 2005  M[NIST] 
419 July 2007 MS-TOFVAR5Reference Substance
519 July 2007 MS-TOFMDN35Reference Substance
4 spectrum(a)
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Spectrum Details

analyteEicosatetraenoic acid, 5,8,11,14-(Z,Z,Z,Z)- (1TMS)
analyte InChIInChI=1S/C23H40O2Si/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23(24)25-26(2,3)4/h9-10,12-13,15-16,18-19H,5-8,11,14,17,20-22H2,1-4H3/b10-9-,13-12-,16-15-,19-18-
analyte mass376.65
chromatogramNA(_43)
citation 
authorsMoritz T, Umea Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83 Umea, Sweden
lib entry date25 January 2005
metabolite roleMST
retention time (sec)398.3
retention index (VAR5 method, n-alkanes C10–C36)2,382.98 (predicted, according to Strehmel, N. et.al)
base peak (m/z)75
maximal intensity999
mass-intensity-peaks cardinality199 intensities
minimal m/z50
maximal m/z376
download JCAMP DXSpectrumJcampDx.ashx?id=1cb66c44-2153-4160-821c-2ff7eb00644e
download MSPSpectrumMsp.ashx?id=1cb66c44-2153-4160-821c-2ff7eb00644e

GC-Method

nameM[MOR]
citationGullberg J, Jonsson P, Nordström A, Sjöström M, Moritz T (2004) Anal Biochem 331, 283-295
attributetextdetails
deconvolutionChromaTOF V1.00 (Pegasus Driver 1.61), LECO, St. Joseph, MI, USAOFFSET:NA; SMOOTHING:NA; WIDTH:2; SN:>10
derivatizationMEOX; TMSMETHOXYAMINATION: 60min60°C, 960min20°C; SILYLATION:>60min40°C
detectorMS-TOFm/z:50-800; SCANS:30/s; Pegasus III TOF-MS; LECO, St. Joseph, MI, USA
extractionmethanol:chloroform:water (3:1:1; v/v/v) 15min at 60°C 
ion sourceEI70eV
metabolic inactivationcut; liquid nitrogen; -80°C 
partitioningnone 
RIALKANEC12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25
separationGCCOLUMN:5%diphenyl-95%dimethylpolysiloxane, 10m, ID:0.18mm, DF:0.18µm, DB-5-MS (J&W Scientific, Folsom, CA, USA); PROGRAM: iso 2min at 70°C, ramp 40°C/min, iso 1min at 320°C; FLOW:Helium, 1.0ml/min: INJECTION:1µL, splitless, 270°C; TRANSFER:250°C; IONSOURCE:200°C

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