ACCESSION: MSBNK-BS-BS003172
RECORD_TITLE: Ursolic acid; LC-ESI-QTOF; MS2; CE:10 eV; [M-H]-
DATE: 2017.12.01 (Created 2014.07.26)
AUTHORS: Plant Biology, The Noble Foundation, Ardmore, OK, US/Dennis Fine, Daniel Wherritt, and Lloyd Sumner
LICENSE: CC BY-NC-SA

CH$NAME: Ursolic acid
CH$COMPOUND_CLASS: Natural Product; N/A
CH$FORMULA: C₃₀H₄₈O₃
CH$EXACT_MASS: 456.3603
CH$SMILES: C([C@]1([H])C(C([C@@]2(C(C([C@@]3(C(=C(C([C@@]4([H])[C@]3(C(C([C@]5([H])[C@@]4(C(C([C@@]([H])(C5(C([H])([H])[H])C([H])([H])[H])O[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H])([H])[H])C([H])([H])[H])([H])[H])[H])[C@]2([H])[C@@]1([H])C([H])([H])[H])C([H])([H])[H])([H])[H])([H])[H])C(=O)O[H])([H])[H])([H])[H])([H])([H])[H]
CH$IUPAC: InChI=1S/C30H48O3/c1-18-10-15-30(25(32)33)17-16-28(6)20(24(30)19(18)2)8-9-22-27(5)13-12-23(31)26(3,4)21(27)11-14-29(22,28)7/h8,18-19,21-24,31H,9-17H2,1-7H3,(H,32,33)/t18-,19+,21+,22-,23+,24+,27+,28-,29-,30+/m1/s1
CH$LINK: CAS 77-52-1
CH$LINK: COMPTOX DTXSID70883221
CH$LINK: INCHIKEY WCGUUGGRBIKTOS-GPOJBZKASA-N
CH$LINK: PUBCHEM CID:64945

AC$INSTRUMENT: Bruker impact HD
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: ISOLATION_WIDTH 5
AC$MASS_SPECTROMETRY: PEAK_WIDTH 0.016
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 94.8474-1505.16
AC$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 1693.8 sec

MS$FOCUSED_ION: PRECURSOR_M/Z 455.3521
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE convert from Bruker Library Editor (https://github.com/MassBank/MassBank2NIST)

PK$SPLASH: splash10-0a4i-0000900000-27e80ae2f29ac7c2825c
PK$NUM_PEAK: 5
PK$PEAK: m/z int. rel.int.
  453.3361 19 19
  454.3395 7 7
  455.3521 999 999
  456.3548 285 285
  457.3553 20 20
//