ACCESSION: MSBNK-Fac_Eng_Univ_Tokyo-JP005531
RECORD_TITLE: 1,3-DIMETHYL-2-OXABICYCLO(4.1.0)HEPT-3-EN-5-ONE; EI-B; MS
DATE: 2016.01.19 (Created 2008.10.21, modified 2011.05.06)
AUTHORS: MASS SPECTROSCOPY SOC. OF JAPAN (MSSJ)
LICENSE: CC BY-NC-SA

CH$NAME: 1,3-DIMETHYL-2-OXABICYCLO(4.1.0)HEPT-3-EN-5-ONE
CH$COMPOUND_CLASS: N/A
CH$FORMULA: C₈H₁₀O₂
CH$EXACT_MASS: 138.06808
CH$SMILES: CC(=C([H])2)OC(C)(C1)C(C(=O)2)1
CH$IUPAC: InChI=1S/C8H10O2/c1-5-3-7(9)6-4-8(6,2)10-5/h3,6H,4H2,1-2H3
CH$LINK: INCHIKEY GZOUQKLFUKOBFC-UHFFFAOYSA-N

AC$INSTRUMENT: HITACHI RMS-6L
AC$INSTRUMENT_TYPE: EI-B
AC$MASS_SPECTROMETRY: MS_TYPE MS
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION_ENERGY 70 eV

MS$FOCUSED_ION: ION_TYPE [M]+*

PK$SPLASH: splash10-004l-9000000000-15ed5139c6502addfc6b
PK$NUM_PEAK: 40
PK$PEAK: m/z int. rel.int.
  26 2 20
  27 13 130
  28 99.99 999
  29 2 20
  31 1.5 15
  32 5 50
  37 1 10
  38 2 20
  39 16.5 165
  40 24.5 245
  41 6 60
  42 2 20
  43 41 410
  44 1.5 15
  45 2 20
  50 1.5 15
  51 2 20
  52 1 10
  53 4.5 45
  54 3.5 35
  55 17 170
  56 1 10
  61 1 10
  65 1 10
  67 4.5 45
  68 20 200
  69 3.5 35
  71 4 40
  85 11.5 115
  95 7.5 75
  96 15 150
  97 1 10
  99 0.5 5
  109 2 20
  110 1 10
  112 0.5 5
  123 1.5 15
  138 11.5 115
  139 2 20
  140 0.2 2
//