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Aspartic acid (2TMS)

 

Replica Mass Spectra of Aspartic acid (2TMS)

replicalib entry datedetectionmethodspecies
201 October 2001 MS-TOFM[EIGTMS]Saccharomyces cerevisiae
509 December 2004 MS-TOFM[6]Oryza sativa
2 spectrum(a)
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Spectrum Details

analyteAspartic acid (2TMS)
analyte InChI
analyte mass249
chromatogram4324GX57
citation 
authorsKopka J, Max Planck Institute of Molecular Plant Physiology, Department of Molecular Plant Physiology (Prof. Willmitzer L), Am Muehlenberg 1, D-14476 Golm, Germany
lib entry date09 December 2004
metabolite roleIS (QUAN)
retention time (sec)868.33
retention index (VAR5 method, n-alkanes C10–C36)1,421.48 (predicted, according to Strehmel, N. et.al)
base peak (m/z)73
maximal intensity999
mass-intensity-peaks cardinality67 intensities
minimal m/z70
maximal m/z266
download JCAMP DXSpectrumJcampDx.ashx?id=bdd6af3e-4f24-4730-a632-ed9fefa55a4c
download MSPSpectrumMsp.ashx?id=bdd6af3e-4f24-4730-a632-ed9fefa55a4c

GC-Method

nameM[6]
citationErban A, Schauer N, Fernie AR, Kopka J (2006) In: Weckwerth W (ed): Methods in Molecular Biology Vol., Humana Press Inc., Totowa, USA
attributetextdetails
deconvolutionChromaTOF V1.00 (Pegasus Driver 1.61), LECO, St. Joseph, MI, USAOFFSET:1_SMOOTHING:3_WIDTH:6_SN:>2
derivatizationMEOX; TMSMethoxyamination:90min40°C; Trimethylsilylation:45min40°C
detectorMS-TOFMZ:70-600; SCANS:20/s; Pegasus III TOF-MS; LECO, St. Joseph, MI, USA
extractionmethanol:water (4:1; v/v); 15min70°C 
ion sourceEI70eV
metabolic inactivationcut; liquid nitrogen; -80°C 
partitioningmethanol fraction of a methanol:water:chloroform (approx. 2:2:1, v/v/v) partitioning 
RIALKANEC12, C15, C18, C19, C22, C28, C32, C36
separationGCCOLUMN:5%diphenyl-95%dimethylpolysiloxane (arylene), 30+10m, ID:0.25mm, DF:0.25microm, Rtx-5SilMS Integra-Guard, #525560 (Restek, Bad Homburg, Germany); PROGRAM:iso1min70°C, ramp9°C/min, iso5min350°C; FLOW:Helium, 0.6ml/min; INJECTION:1microL, splitless, 230°C; TRANSFER:250°C; IONSOURCE:250°C

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