MassBank Record: UT001670



 Phosphatidylcholine 18:0-18:2; LC-ESI-ITFT; MS3; [M+CH3COO]-/[M-CH3]-; RT: 27.72; Exp: 1 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: UT001670
RECORD_TITLE: Phosphatidylcholine 18:0-18:2; LC-ESI-ITFT; MS3; [M+CH3COO]-/[M-CH3]-; RT: 27.72; Exp: 1
DATE: 2016.01.19 (Created 2010.05.07, modified 2011.08.03)
AUTHORS: Taguchi R, Graduate School of Medicine, The University of Tokyo.
LICENSE: CC BY-NC-SA
PUBLICATION: Taguchi, R.; Ishikawa M.; Precise and global identification of phospholipid molecular species by an Orbitrap mass spectrometer and automated search engine Lipid Search. J Chromatogr A (2010), doi:10.1016/j.chroma.2010.04.034 (in press)

CH$NAME: Phosphatidylcholine 18:0-18:2 CH$COMPOUND_CLASS: Natural Product; Glycerophospholipids; Glycerophosphocholines; Diacylglycerophosphocholines CH$FORMULA: C44H84NO8P CH$EXACT_MASS: 785.59346 CH$SMILES: C(CCCCCC=CCC=CCCC(=O)OC(COP(OCC[N+1](C)(C)C)([O-1])=O)COC(CCCCCCCCCCCCCCCCC)=O)CCCC CH$IUPAC: InChI=1S/C44H84NO8P/c1-6-8-10-12-14-16-18-20-22-24-26-28-30-32-34-36-43(46)50-40-42(41-52-54(48,49)51-39-38-45(3,4)5)53-44(47)37-35-33-31-29-27-25-23-21-19-17-15-13-11-9-7-2/h25,27,31,33,42H,6-24,26,28-30,32,34-41H2,1-5H3/b27-25-,33-31- SP$SCIENTIFIC_NAME: Mus musculus SP$NAME: mouse SP$LINEAGE: cellular organisms; Eukaryota; Fungi/Metazoa group; Metazoa; Eumetazoa; Bilateria; Coelomata; Deuterostomia; Chordata; Craniata; Vertebrata; Gnathostomata; Teleostomi; Euteleostomi; Sarcopterygii; Tetrapoda; Amniota; Mammalia; Theria; Eutheria; Euarchontoglires; Glires; Rodentia; Sciurognathi; Muroidea; Muridae; Murinae; Mus SP$LINK: NCBI-TAXONOMY 10090 SP$SAMPLE: brain
AC$INSTRUMENT: LC-10ADVPmicro HPLC, Shimadzu; LTQ Orbitrap, Thermo Scientific AC$INSTRUMENT_TYPE: LC-ESI-ITFT AC$MASS_SPECTROMETRY: MS_TYPE MS3 AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE AC$MASS_SPECTROMETRY: COLLISION_ENERGY 30% AC$MASS_SPECTROMETRY: ION_SPRAY_VOLTAGE 3500 V AC$MASS_SPECTROMETRY: IONIZATION ESI AC$CHROMATOGRAPHY: COLUMN_NAME Develosil C30, Nomura Chemical AC$CHROMATOGRAPHY: FLOW_GRADIENT add 95/5 at 0 min, 70/30 at 40 min, 50/50 at 41 min, 50/50 at 90 min AC$CHROMATOGRAPHY: FLOW_RATE add 100 uL/min AC$CHROMATOGRAPHY: RETENTION_TIME 27.80 min (in paper: 27.5 min) AC$CHROMATOGRAPHY: SOLVENT A acetonitrile-methanol-water (19:19:2) with 0.1% acetic acid and 0.1% ammonium hydroxide (28%) AC$CHROMATOGRAPHY: SOLVENT B 2-propanol with 0.1% acetic acid and 0.1% ammonium hydroxide (28%)
MS$FOCUSED_ION: PRECURSOR_M/Z 844.61/770.11 MS$FOCUSED_ION: PRECURSOR_TYPE [M+CH3COO]-/[M-CH3]- MS$DATA_PROCESSING: WHOLE Xcalibur ver-2.0
PK$SPLASH: splash10-004i-0090010000-79fe96c6f6c5e6187452 PK$ANNOTATION: m/z num ( type mass error(ppm) formula ) 490.24 1 [lyso PC(18:0,-)-H2O]- 490.3297498207 -182 C25H49NO6P- 486.00 1 [lyso PC(-,18:2)-H2O]- 486.2984496923 -613 C25H45NO6P- 283.13 1 [fa(18:0)-H]- 283.2637053677 -471 C18H35O2- 279.08 1 [fa(18:2)-H]- 279.2324052393 -545 C18H31O2- PK$NUM_PEAK: 17 PK$PEAK: m/z int. rel.int. 223.99 46.3 5 253.00 40.3 4 261.25 40.7 4 279.08 9563.1 999 279.87 3.5 1 281.18 14.1 1 283.13 3453.4 361 307.18 59.2 6 309.42 16.5 2 419.30 5.9 1 486.00 61.8 6 486.67 20.9 2 490.24 110.6 12 504.00 73.2 8 506.13 6.9 1 508.03 1495.0 156 534.24 10.8 1 //