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Pregn-5-ene-3,17,21-triol-20-one (1MEOX) (3TMS)

 

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Replica Mass Spectra of Pregn-5-ene-3,17,21-triol-20-one (1MEOX) (3TMS)

replica	lib entry date	detection	method	species
2	10 June 2009	MS-TOF	VAR5	Reference Substance
1 spectrum(a)

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Spectrum Details

analyte	Pregn-5-ene-3,17,21-triol-20-one (1MEOX) (3TMS)
analyte InChI	InChI=1S/C31H59NO4Si3/c1-29-18-15-24(35-38(7,8)9)21-23(29)13-14-25-26(29)16-19-30(2)27(25)17-20-31(30,36-39(10,11)12)28(32-33-3)22-34-37(4,5)6/h13,24-27H,14-22H2,1-12H3/b32-28+/t24?,25-,26+,27+,29+,30+,31+/m1/s1
analyte mass	594.06
chromatogram	6030hf_22
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)	1,007.38
retention index (VAR5 method, n-alkanes C10–C36)
base peak (m/z)	73
maximal intensity	62.904
mass-intensity-peaks cardinality	376 intensities
minimal m/z	45
maximal m/z	906
download JCAMP DX	SpectrumJcampDx.ashx?id=bffb2bb4-916a-4ad4-b1b1-6e0a070b08e4
download MSP	SpectrumMsp.ashx?id=bffb2bb4-916a-4ad4-b1b1-6e0a070b08e4

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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