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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
6	01 August 2002	MS-Quad	M[2]	Lotus japonicus (Regel) K. Larsen
7	19 July 2007	MS-TOF	MDN35	Reference Substance
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)
Page of 2     Results per page: 5 10 25 50 100 500

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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	NA(_49)
citation
authors	Roessner-Tunali U, Forbes MG, University of Melbourne, School of Botany, 3010 Victoria, Australia
lib entry date	19 January 2005
metabolite role	METB
retention time (sec)
retention index (VAR5 method, n-alkanes C10–C36)	1,464.97 (predicted, according to Strehmel, N. et.al)
base peak (m/z)	73
maximal intensity	999
mass-intensity-peaks cardinality	50 intensities
minimal m/z	41
maximal m/z	350
download JCAMP DX	SpectrumJcampDx.ashx?id=f387f539-4f3f-41cd-8979-4f981a21af03
download MSP	SpectrumMsp.ashx?id=f387f539-4f3f-41cd-8979-4f981a21af03

GC-Method

name	M[ROE]
citation	U. Roessner, J. Patterson, M. Forbes, G. Fincher, P. Langridge, A. Bacic, Plant Physiology 142 (2006) 1087

attribute	text	details
deconvolution	Xcalibur program
derivatization	MEOX; MSTFA	METHOXYAMINATION: 120min at 37°C; SILYLATION: 30min at 37°C
detector	MS-QUAD	m/z = 70-600; scans:2/s; DSQ quadrupole mass spectrometer
extraction	methanol:chloroform
ion source	EI	70eV
RI	ALKANE	C12, C15, C19, C22, C28, C32, C36
separation	GC	COLUMN:5%diphenyl-95%dimethylpolysiloxane, 30+10m, ID:0.25mm, DF:0.25µm, VF-5MS (Varian, Darmstadt, Germany); PROGRAM:injection at 70°C, ramp 1°C/min to 76°C, ramp 6°C/min to 330°C, iso at 330°C for 10min; FLOW:Helium, 1mL/min; INJECTION:1µL, splitless, 230°C; TRANSFER:280°C; IONSOURCE:250°C

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