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Levodopa (4TMS)

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Replica Mass Spectra of Levodopa (4TMS)

replica	lib entry date	detection	method	species
1	12 May 2005		M[NIST]
2	25 January 2005	MS-TOF	M[MOR]
8	28 August 2012		MassBank GC 2010 Ara
9	05 June 2013		MRI_2013
7	28 August 2012		MassBank GC 2010 Tsujimoto
6	28 August 2012		MassBank GC 2010 Kusano
4	19 July 2007	MS-TOF	VAR5	Reference Substance
5	26 November 2004		M[FAME4090]	Standard
8 spectrum(a)

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Spectrum Details

analyte	Levodopa (4TMS)
analyte InChI	InChI=1S/C21H43NO4Si4/c1-27(2,3)22-18(21(23)26-30(10,11)12)15-17-13-14-19(24-28(4,5)6)20(16-17)25-29(7,8)9/h13-14,16,18,22H,15H2,1-12H3/t18-/m0/s1
analyte mass	485.91
chromatogram	6044hf_60
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)	692.86
retention index (VAR5 method, n-alkanes C10–C36)
base peak (m/z)	73
maximal intensity	1,827,671
mass-intensity-peaks cardinality	434 intensities
minimal m/z	45
maximal m/z	998
download JCAMP DX	SpectrumJcampDx.ashx?id=10d8ee59-0b7d-45aa-b7d7-4ddbe51a9a5c
download MSP	SpectrumMsp.ashx?id=10d8ee59-0b7d-45aa-b7d7-4ddbe51a9a5c

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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