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Methionine (2TMS)

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Replica Mass Spectra of Methionine (2TMS)

replica	lib entry date	detection	method	species
1	19 July 2007	MS-TOF	VAR5	Reference Substance
29	05 June 2013		MRI_2013
25	30 March 2011		Fiehn_GC_2010
24	03 November 2010		Schomburg_GC_2010
2	12 May 2005		M[NIST]
3	11 September 2005		M[FAME4090]	Standard
4	26 November 2004		M[FAME4090]	Standard
5	12 October 2005	MS-TRAP	M[BAR]
6	01 May 2001	MS-TOF	M[EIGTMS]	Standard Addition
8	23 December 2003	MS-Quad	M[2]	Ovis aries
24 spectrum(a)
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Spectrum Details

analyte	Methionine (2TMS)
analyte InChI	InChI=1S/C11H27NO2SSi2/c1-15-9-8-10(12-16(2,3)4)11(13)14-17(5,6)7/h10,12H,8-9H2,1-7H3/t10-/m0/s1
analyte mass	293.57
chromatogram	6032hf_28
citation
authors	Boelling 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 date	19 July 2007
metabolite role	METB
retention time (sec)	463.13
retention index (VAR5 method, n-alkanes C10–C36)
base peak (m/z)	128
maximal intensity	996,717
mass-intensity-peaks cardinality	391 intensities
minimal m/z	45
maximal m/z	1,000
download JCAMP DX	SpectrumJcampDx.ashx?id=efe91526-c56b-4d1d-9686-5083ffeb5223
download MSP	SpectrumMsp.ashx?id=efe91526-c56b-4d1d-9686-5083ffeb5223

GC-Method

name	MDN35
citation	Kopka J, Max Planck Institute of Molecular Plant Physiology, Department of Molecular Plant Physiology (Prof. Willmitzer L), Am Muehlenberg 1, D-14476 Golm, Germany

attribute	text	details
deconvolution	ChromaTOF	BASELINE OFFSET: 1; SMOOTHING: 5; PEAK WIDTH: 3s; S/N: 10
derivatization	MEOX; MSTFA	METHOXYAMINATION: 120min at 37°C; TRIMETHYLSILYLATION: 30min at 37°C
detector	MS-TOF	m/z = 70-600; scans:20/s;
extraction	chloroform:dH2O	(2:1; v/v); chloroform (20°C); dH2O (4°C)
ion source	EI	70eV
RI	FAME, d6-Cholesterole	FAME: C8, C9, C10, C12, C14, C16, C18, C20, C22, C24, C26, C28, C30
separation	GC	COLUMN: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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