ACCESSION: MSBNK-BS-BS003460
RECORD_TITLE: Isobavachin; LC-ESI-QTOF; MS2; CE:30 eV; [M-H]-
DATE: 2017.12.01 (Created 2013.11.23)
AUTHORS: Plant Biology, The Noble Foundation, Ardmore, OK, US/Dennis Fine, Daniel Wherritt, and Lloyd Sumner
LICENSE: CC BY-NC-SA

CH$NAME: Isobavachin
CH$COMPOUND_CLASS: Natural Product; N/A
CH$FORMULA: C₂₀H₂₀O₄
CH$EXACT_MASS: 324.1362
CH$SMILES: C(C(=C(C(C1=C(C(=C(C2=C1OC(C(C2=O)([H])[H])(C3=C(C(=C(C(=C3[H])[H])O[H])[H])[H])[H])[H])[H])O[H])([H])[H])[H])C([H])([H])[H])([H])([H])[H]
CH$IUPAC: InChI=1S/C20H20O4/c1-12(2)3-8-15-17(22)10-9-16-18(23)11-19(24-20(15)16)13-4-6-14(21)7-5-13/h3-7,9-10,19,21-22H,8,11H2,1-2H3/t19-/m0/s1
CH$LINK: INCHIKEY KYFBXCHUXFKMGQ-IBGZPJMESA-N
CH$LINK: CAS 31524-62-6
CH$LINK: COMPTOX DTXSID20953509

AC$INSTRUMENT: Bruker impact HD
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 30 eV
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: ISOLATION_WIDTH 5
AC$MASS_SPECTROMETRY: PEAK_WIDTH 0.015
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 94.8812-1505.21
AC$CHROMATOGRAPHY: COLUMN_NAME Waters Acquity BEH C18 1.7um x 2.1 x 150 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 20/80 at 35 min; 5/95 at 35 min, 5/95 at 38 min; 95/5 at 38.1 min, 95/5 at 45 min
AC$CHROMATOGRAPHY: FLOW_RATE FLOW_RATE 560 uL / min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.05% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile with 0.05 % formic acid
AC$CHROMATOGRAPHY: RETENTION_TIME 878.4 sec

MS$FOCUSED_ION: PRECURSOR_M/Z 323.1295
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE convert from Bruker Library Editor (https://github.com/MassBank/MassBank2NIST)

PK$SPLASH: splash10-014i-0910000000-d8871757deb3526fbb70
PK$NUM_PEAK: 18
PK$PEAK: m/z int. rel.int.
  117.0361 7 7
  119.0503 999 999
  120.0534 56 56
  121.0558 5 5
  136.0156 7 7
  143.0502 6 6
  144.0576 8 8
  145.0287 4 4
  157.0647 16 16
  159.0811 71 71
  160.0853 9 9
  201.0542 4 4
  203.0720 110 110
  204.0748 13 13
  217.0888 4 4
  221.0816 26 26
  281.1191 8 8
  323.1295 4 4
//