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Guanosine (5TMS)

 

Replica Mass Spectra of Guanosine (5TMS)

replicalib entry datedetectionmethodspecies
201 February 2005 MS-TOFM[6]Reference Substance
301 February 2005 MS-TOFM[6]Reference Substance
401 November 2001 MS-TOFM[EIGTMS]Standard
1628 August 2012  MassBank GC 2010 Ara 
1330 March 2011  Fiehn_GC_2010 
1428 August 2012  MassBank GC 2010 Kusano 
519 July 2007 MS-TOFVAR5Reference Substance
612 May 2005  M[NIST] 
701 February 2005 MS-TOFM[6]Reference Substance
1528 August 2012  MassBank GC 2010 Tsujimoto 
14 spectrum(a)
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Spectrum Details

analyteGuanosine (5TMS)
analyte InChIInChI=1S/C25H53N5O5Si5/c1-36(2,3)28-25-27-22-19(23(31)30(25)37(4,5)6)26-17-29(22)24-21(35-40(13,14)15)20(34-39(10,11)12)18(33-24)16-32-38(7,8)9/h17-18,20-21,24H,16H2,1-15H3,(H,27,28)/t18-,20-,21-,24-/m1/s1
analyte mass644.15
chromatogram6082hf_57
citation 
authorsBoelling C, Liebig F, Erban A, Kopka 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 date19 July 2007
metabolite roleMETB
retention time (sec)935.14
retention index (VAR5 method, n-alkanes C10–C36) 
base peak (m/z)73
maximal intensity856.806
mass-intensity-peaks cardinality571 intensities
minimal m/z45
maximal m/z976
download JCAMP DXSpectrumJcampDx.ashx?id=35d1cbae-ada7-4be4-b127-b8fdfc70504f
download MSPSpectrumMsp.ashx?id=35d1cbae-ada7-4be4-b127-b8fdfc70504f

GC-Method

nameMDN35
citationKopka J, Max Planck Institute of Molecular Plant Physiology, Department of Molecular Plant Physiology (Prof. Willmitzer L), Am Muehlenberg 1, D-14476 Golm, Germany
attributetextdetails
deconvolutionChromaTOFBASELINE OFFSET: 1; SMOOTHING: 5; PEAK WIDTH: 3s; S/N: 10
derivatizationMEOX; MSTFAMETHOXYAMINATION: 120min at 37°C; TRIMETHYLSILYLATION: 30min at 37°C
detectorMS-TOFm/z = 70-600; scans:20/s;
extractionchloroform:dH2O (2:1; v/v); chloroform (20°C); dH2O (4°C)
ion sourceEI70eV
RIFAME, d6-CholesteroleFAME: C8, C9, C10, C12, C14, C16, C18, C20, C22, C24, C26, C28, C30
separationGCCOLUMN:35%phenyl-65%dimethylpolysiloxane, 30m, ID:0.32mm, DF:0.25µm, MDN-35 (Macherey-Nagel, Düren, Germany); PROGRAM:iso 2min 80°C, ramp 15°C/min, iso 6min 330°C; FLOW:Helium, 2mL/min; INJECTION:1µL, splitless, 230°C; TRANSFER:250°C; IONSOURCE:250°C

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