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MassBank Record: MSBNK-Athens_Univ-AU234257

Pravastatin; LC-ESI-QTOF; MS2; CE: 10 eV; R=35000; [M-H]-

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

ACCESSION: MSBNK-Athens_Univ-AU234257
RECORD_TITLE: Pravastatin; LC-ESI-QTOF; MS2; CE: 10 eV; R=35000; [M-H]-
DATE: 2019.03.28
AUTHORS: Nikiforos Alygizakis, Katerina Galani, Nikolaos Thomaidis, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2019 Department of Chemistry, University of Athens
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 2342

CH$NAME: Pravastatin
CH$NAME: 3,5-dihydroxy-7-[6-hydroxy-2-methyl-8-(2-methylbutanoyloxy)-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]heptanoic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C23H36O7
CH$EXACT_MASS: 424.2461035
CH$SMILES: CCC(C)C(=O)OC1CC(O)C=C2C=CC(C)C(CCC(O)CC(O)CC(O)=O)C12
CH$IUPAC: InChI=1S/C23H36O7/c1-4-13(2)23(29)30-20-11-17(25)9-15-6-5-14(3)19(22(15)20)8-7-16(24)10-18(26)12-21(27)28/h5-6,9,13-14,16-20,22,24-26H,4,7-8,10-12H2,1-3H3,(H,27,28)
CH$LINK: CAS 81093-37-0
CH$LINK: CHEBI 94322
CH$LINK: PUBCHEM CID:4889
CH$LINK: INCHIKEY TUZYXOIXSAXUGO-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 4720

AC$INSTRUMENT: Bruker maXis Impact
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$MASS_SPECTROMETRY: RESOLUTION 35000
AC$CHROMATOGRAPHY: COLUMN_NAME Acclaim RSLC C18 2.2um, 2.1x100mm, Thermo
AC$CHROMATOGRAPHY: FLOW_GRADIENT 99/1 at 0-1 min, 61/39 at 3 min, 0.1/99.9 at 14-16 min, 99/1 at 16.1-20 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min at 0-3 min, 400 uL/min at 14 min, 480 uL/min at 16-19 min, 200 uL/min at 19.1-20 min
AC$CHROMATOGRAPHY: RETENTION_TIME 7.133 min
AC$CHROMATOGRAPHY: SOLVENT A 90:10 water:methanol with 5mM ammonium acetate
AC$CHROMATOGRAPHY: SOLVENT B methanol with 5mM ammonium acetate

MS$FOCUSED_ION: BASE_PEAK 423.2401
MS$FOCUSED_ION: PRECURSOR_M/Z 423.2388
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: RECALIBRATE identity on assigned fragments and MS1
MS$DATA_PROCESSING: WHOLE RMassBank 2.10.0

PK$SPLASH: splash10-00di-0001900000-ddbd9f37196ab5a87ebc
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  321.1686 C18H25O5- 1 321.1707 -6.59
  423.2386 C23H35O7- 1 423.2388 -0.54
  424.2412 C22[13]CH35O7- 1 424.2416 -1.06
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  321.1686 656 166
  423.2386 3932 999
  424.2412 1124 285
//

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