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Xanthosine (5TMS)

 

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Replica Mass Spectra of Xanthosine (5TMS)

replica	lib entry date	detection	method	species
1	26 November 2004		M[FAME4090]	Standard
7	28 August 2012		MassBank GC 2010 Tsujimoto
3	19 July 2007	MS-TOF	MDN35	Reference Substance
6	30 March 2011		Fiehn_GC_2010
4	01 May 2001	MS-TOF	M[EIGTMS]	Standard
5	19 July 2007	MS-TOF	VAR5	Reference Substance
6 spectrum(a)

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Spectrum Details

analyte	Xanthosine (5TMS)
analyte InChI	InChI=1S/C25H52N4O6Si5/c1-36(2,3)30-16-18-20(32-37(4,5)6)21(33-38(7,8)9)24(31-18)29-17-26-19-22(29)27-25(35-40(13,14)15)28-23(19)34-39(10,11)12/h17-18,20-21,24H,16H2,1-15H3/t18-,20-,21-,24-/m1/s1
analyte mass	645.13
chromatogram	4173GX106
citation
authors	Liebig F, Erban A, Max Planck Institute of Molecular Plant Physiology, Department of Molecular Plant Physiology (Prof. Willmitzer L), Am Muehlenberg 1, D-14476 Golm, Germany
lib entry date	01 February 2005
metabolite role	METB
retention time (sec)	1,613.17
retention index (VAR5 method, n-alkanes C10–C36)	2,673.6 (predicted, according to Strehmel, N. et.al)
base peak (m/z)	73
maximal intensity	999
mass-intensity-peaks cardinality	248 intensities
minimal m/z	70
maximal m/z	555
download JCAMP DX	SpectrumJcampDx.ashx?id=bd593128-296c-4a39-b68e-60122a541bb9
download MSP	SpectrumMsp.ashx?id=bd593128-296c-4a39-b68e-60122a541bb9

GC-Method

name	M[6]
citation	Erban A, Schauer N, Fernie AR, Kopka J (2006) In: Weckwerth W (ed): Methods in Molecular Biology Vol., Humana Press Inc., Totowa, USA

attribute	text	details
deconvolution	ChromaTOF V1.00 (Pegasus Driver 1.61), LECO, St. Joseph, MI, USA	OFFSET:1_SMOOTHING:3_WIDTH:6_SN:>2
derivatization	MEOX; TMS	Methoxyamination:90min40°C; Trimethylsilylation:45min40°C
detector	MS-TOF	MZ:70-600; SCANS:20/s; Pegasus III TOF-MS; LECO, St. Joseph, MI, USA
extraction	methanol:water (4:1; v/v); 15min70°C
ion source	EI	70eV
metabolic inactivation	cut; liquid nitrogen; -80°C
partitioning	methanol fraction of a methanol:water:chloroform (approx. 2:2:1, v/v/v) partitioning
RI	ALKANE	C12, C15, C18, C19, C22, C28, C32, C36
separation	GC	COLUMN: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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