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Isoflavone, 5,7-dihydroxy-4'-methoxy- (2TMS)

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Replica Mass Spectra of Isoflavone, 5,7-dihydroxy-4'-methoxy- (2TMS)

replica	lib entry date	detection	method	species
1	19 July 2007	MS-TOF	VAR5	Reference Substance
1 spectrum(a)

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Spectrum Details

analyte	Isoflavone, 5,7-dihydroxy-4'-methoxy- (2TMS)
analyte InChI	InChI=1S/C22H28O5Si2/c1-24-16-10-8-15(9-11-16)18-14-25-19-12-17(26-28(2,3)4)13-20(21(19)22(18)23)27-29(5,6)7/h8-14H,1-7H3
analyte mass	428.63
chromatogram	6039hf_42
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
retention time (sec)	1,038.84
retention index (VAR5 method, n-alkanes C10–C36)
base peak (m/z)	73
maximal intensity	292,894
mass-intensity-peaks cardinality	417 intensities
minimal m/z	45
maximal m/z	973
download JCAMP DX	SpectrumJcampDx.ashx?id=fa675d3a-47c3-40ed-9e27-58c75bb1e697
download MSP	SpectrumMsp.ashx?id=fa675d3a-47c3-40ed-9e27-58c75bb1e697

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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