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Malic acid, 2-methyl- (3TMS)

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Replica Mass Spectra of Malic acid, 2-methyl- (3TMS)

replica	lib entry date	detection	method	species
1	01 February 2005	MS-TOF	M[6]	Reference Substance
2	11 September 2005		M[FAME4090]	Standard
3	01 May 2001	MS-TOF	M[EIGTMS]	Arabidopsis thaliana
4	19 July 2007	MS-TOF	VAR5	Reference Substance
5	19 January 2005	MS-QUAD	M[ROE]
6	01 August 2002	MS-Quad	M[2]	Lotus japonicus (Regel) K. Larsen
8	19 July 2007	MS-TOF	MDN35	Reference Substance
9	01 July 2001	MS-Quad	M[2]	Reference Substance
10	01 October 2001	MS-TOF	M[EIGTMS]	Standard Addition
19	30 March 2011		Fiehn_GC_2010
20 spectrum(a)
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Spectrum Details

analyte	Malic acid, 2-methyl- (3TMS)
analyte InChI	InChI=1S/C14H32O5Si3/c1-14(19-22(8,9)10,13(16)18-21(5,6)7)11-12(15)17-20(2,3)4/h11H2,1-10H3
analyte mass
chromatogram	6046hf_40
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)	414.38
retention index (VAR5 method, n-alkanes C10–C36)
base peak (m/z)	73
maximal intensity	1,457,362
mass-intensity-peaks cardinality	731 intensities
minimal m/z	45
maximal m/z	1,000
download JCAMP DX	SpectrumJcampDx.ashx?id=e821c012-3269-4ffc-879f-54d295bb15c6
download MSP	SpectrumMsp.ashx?id=e821c012-3269-4ffc-879f-54d295bb15c6

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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