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MassBank Record: MSBNK-Washington_State_Univ-BML00731

Melatonin; LC-ESI-QTOF; MS2; CE 20 ev; [M-H]-

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

ACCESSION: MSBNK-Washington_State_Univ-BML00731
RECORD_TITLE: Melatonin; LC-ESI-QTOF; MS2; CE 20 ev; [M-H]-
DATE: 2016.01.19 (Created 2012.10.26)
AUTHORS: Cuthbertson DJ, Johnson SR, Lange BM, Institute of Biological Chemistry, Washington State University
LICENSE: CC BY-SA
COMMENT: relative retention time with respect to 9-anthracene Carboxylic Acid is 0.679

CH$NAME: Melatonin
CH$COMPOUND_CLASS: N/A
CH$FORMULA: C13H16N2O2
CH$EXACT_MASS: 232.121178
CH$SMILES: CC(=O)NCCC1=CNC2=C1C=C(C=C2)OC
CH$IUPAC: InChI=1S/C13H16N2O2/c1-9(16)14-6-5-10-8-15-13-4-3-11(17-2)7-12(10)13/h3-4,7-8,15H,5-6H2,1-2H3,(H,14,16)
CH$LINK: CAS 73-31-4
CH$LINK: CHEMSPIDER 873
CH$LINK: PUBCHEM CID:896
CH$LINK: INCHIKEY DRLFMBDRBRZALE-UHFFFAOYSA-N
CH$LINK: COMPTOX DTXSID1022421

AC$INSTRUMENT: Agilent 1200 RRLC; Agilent 6520 QTOF
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 ev
AC$MASS_SPECTROMETRY: COLLISION_GAS N2
AC$MASS_SPECTROMETRY: SCANNING m/z 100-1000
AC$CHROMATOGRAPHY: COLUMN_NAME Agilent C8 Cartridge Column 2.1X30mm 3.5 micron (guard); Agilent SB-Aq 2.1x50mm 1.8 micron (analytical)
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 60 C
AC$CHROMATOGRAPHY: FLOW_GRADIENT linear from 98A/2B at 0 min to 2A/98B at 13 min, hold 6 min at 2A/98B, reequilibration 98A/2B (5 min)
AC$CHROMATOGRAPHY: FLOW_RATE 0.6 ml/min
AC$CHROMATOGRAPHY: RETENTION_TIME 5.009
AC$CHROMATOGRAPHY: SOLVENT A water with 0.2% acetic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.2% acetic acid

MS$FOCUSED_ION: BASE_PEAK 216
MS$FOCUSED_ION: PRECURSOR_M/Z 231.1139
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-014m-0960000000-7991e64dacb3c7f5cf32
PK$NUM_PEAK: 21
PK$PEAK: m/z int. rel.int.
  116.0494 54 5
  144.0446 9489 953
  144.0884 89 9
  144.0966 110 11
  144.13 61 6
  144.1563 151 15
  145.0526 5312 534
  145.0896 207 21
  145.1655 76 8
  157.0503 136 14
  216.0895 9942 999
  216.1334 268 27
  216.1529 70 7
  216.1782 103 10
  216.2246 123 12
  216.2553 56 6
  216.3695 68 7
  216.4098 52 5
  216.6174 78 8
  218.9087 54 5
  231.1118 298 30
//

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