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MassBank Record: MSBNK-Chubu_Univ-UT002381

Sphingomyelin d18:1-C22:1; LC-ESI-ITFT; MS3; [M+CH3COO]-/[M-CH3]-; RT: 33.88; Exp: 2

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSBNK-Chubu_Univ-UT002381
RECORD_TITLE: Sphingomyelin d18:1-C22:1; LC-ESI-ITFT; MS3; [M+CH3COO]-/[M-CH3]-; RT: 33.88; Exp: 2
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. Journal of Chromatography A 2010, 1217 (25), 4229–39. DOI:10.1016/j.chroma.2010.04.034

CH$NAME: Sphingomyelin d18:1-C22:1
CH$COMPOUND_CLASS: Natural Product; Sphingolipids; Phosphosphingolipids; Ceramide phosphocholines (sphingomyelins)
CH$FORMULA: C45H89N2O6P
CH$EXACT_MASS: 784.64583
CH$SMILES: C(CCCCCCCCC=CC(O)C(COP(OCC[N+1](C)(C)C)([O-1])=O)NC(CCC=CCCCCCCCCCCCCCCCCC)=O)CCCC
CH$IUPAC: InChI=1S/C45H89N2O6P/c1-6-8-10-12-14-16-18-20-21-22-23-24-25-27-29-31-33-35-37-39-45(49)46-43(42-53-54(50,51)52-41-40-47(3,4)5)44(48)38-36-34-32-30-28-26-19-17-15-13-11-9-7-2/h33,35-36,38,43-44,48H,6-32,34,37,39-42H2,1-5H3,(H-,46,49,50,51)/b35-33-,38-36+/t43-,44+/m1/s1
CH$LINK: INCHIKEY OLJJWQULRPCSST-QMQRQSDPSA-N
SP$SCIENTIFIC_NAME: Mus musculus
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: liver

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$CHROMATOGRAPHY: RETENTION_TIME 34.07 min (in paper: 33.9 min)
AC$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$FOCUSED_ION: PRECURSOR_M/Z 843.66/769.30
MS$FOCUSED_ION: PRECURSOR_TYPE [M+CH3COO]-/[M-CH3]-
MS$DATA_PROCESSING: WHOLE Xcalibur ver-2.0

PK$SPLASH: splash10-0002-0003902000-38a34ddc57ed5ee0a2b7
PK$ANNOTATION: m/z num type mass error(ppm) formula
  449.25 1 [lyso_SM(18:1,-)]- 449.3144341075 -142 C22H46N2O5P-
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  337.39 18.2 370
  449.25 49.1 999
  481.21 4.1 83
  698.03 12.3 250
//

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