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Tryptophan (3TMS)

 

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Replica Mass Spectra of Tryptophan (3TMS)

replica	lib entry date	detection	method	species
33	28 August 2012		MassBank GC 2010 Kusano
1	28 June 2002	MS-Quad	M[7]	Standard
2	19 July 2007	MS-TOF	VAR5	Reference Substance
3	12 May 2005		M[NIST]
4	01 September 2001	MS-Quad	M[2]	Standard Addition
5	22 January 2005	MS-QUAD	M[ROE]
34	28 August 2012		MassBank GC 2010 Tsujimoto
6	19 July 2007	MS-TOF	MDN35	Reference Substance
8	01 December 2002	MS-Quad	M[2]	Medicago truncatula Gaertn.
9	19 July 2007	MS-TOF	VAR5	Reference Substance
35 spectrum(a)
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Spectrum Details

analyte	Tryptophan (3TMS)
analyte InChI	InChI=1S/C20H36N2O2Si3/c1-25(2,3)21-18(20(23)24-27(7,8)9)14-16-15-22(26(4,5)6)19-13-11-10-12-17(16)19/h10-13,15,18,21H,14H2,1-9H3/t18-/m0/s1
analyte mass	420.77
chromatogram	1135EC25
citation	Wagner C, Sefkow M, Kopka J (2003) Phytochemistry 62, 887-900
authors	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	01 May 2001
metabolite role	METB
retention time (sec)	864.8
retention index (VAR5 method, n-alkanes C10–C36)	2,215.95 (predicted, according to Strehmel, N. et.al)
base peak (m/z)	73
maximal intensity	999
mass-intensity-peaks cardinality	92 intensities
minimal m/z	70
maximal m/z	339
download JCAMP DX	SpectrumJcampDx.ashx?id=10baacc0-75d4-43c3-a470-287da05c2afb
download MSP	SpectrumMsp.ashx?id=10baacc0-75d4-43c3-a470-287da05c2afb

GC-Method

name	M[EIGTMS]
citation	Wagner C, Sefkow M, Kopka J (2003) Phytochemistry 62, 887-900

attribute	text	details
deconvolution	AMDIS, National Institute of Standards and Technology, Gaithersburg, MD, USA	DIRECTION:non scanning; WIDTH: 20; SUBTRACTION: two; RESOLUTION: high; SENSITIVITY: medium; SHAPE: high
derivatization	MEOX; TMS	Methoxyamination:60min37°C; Trimethylsilylation:>60min37°C
detector	MS-TOF	MZ:70-600; SCANS:6/s; Pegasus II 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, 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, #NA (Restek, Bad Homburg, Germany); PROGRAM:iso2min80°C, ramp15°C/min, iso2min350°C; FLOW:Helium, 1.0ml/min; INJECTION:1microL, splitless, 230°C, 2min110psi; TRANSFER:250°C; IONSOURCE:200°C

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