ACCESSION: MSBNK-Eawag-EA285964
RECORD_TITLE: Pravastatin; LC-ESI-ITFT; MS2; CE: 35%; R=30000; [M-H]-
DATE: 2014.01.14
AUTHORS: Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2012 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 2859

CH$NAME: Pravastatin
CH$NAME: (3R,5R)-7-[(1S,2S,6S,8S,8aR)-2-methyl-8-[(2S)-2-methylbutanoyl]oxy-6-oxidanyl-1,2,6,7,8,8a-hexahydronaphthalen-1-yl]-3,5-bis(oxidanyl)heptanoic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₂₃H₃₆O₇
CH$EXACT_MASS: 424.2461
CH$SMILES: CCC(C)C(=O)OC1CC(C=C2C1C(C(C=C2)C)CCC(CC(CC(=O)O)O)O)O
CH$IUPAC: InChI=1S/C23H36O7/c1-4-13(2)23(29)30-20-11-17(25)9-15-6-5-14(3)19(22(15)20)8-7-16(24)10-18(26)12-21(27)28/h5-6,9,13-14,16-20,22,24-26H,4,7-8,10-12H2,1-3H3,(H,27,28)/t13-,14-,16+,17+,18+,19-,20-,22-/m0/s1
CH$LINK: CAS 81093-37-0
CH$LINK: KEGG C01844
CH$LINK: PUBCHEM CID:54687
CH$LINK: INCHIKEY TUZYXOIXSAXUGO-PZAWKZKUSA-N
CH$LINK: CHEMSPIDER 49398
CH$LINK: COMPTOX DTXSID6023498

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 35 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 30000
AC$CHROMATOGRAPHY: COLUMN_NAME XBridge C18 3.5um, 2.1x50mm, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 50/50 at 4 min, 5/95 at 17 min, 5/95 at 25 min, 90/10 at 25.1 min, 90/10 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 ul/min
AC$CHROMATOGRAPHY: RETENTION_TIME 9.2 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 423.2379
MS$FOCUSED_ION: PRECURSOR_M/Z 423.2388
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: DEPROFILE Spline
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 1.3.1

PK$SPLASH: splash10-0uk9-0009000000-4b2c09a295ba7f3ce41b
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  141.0709 C11H9- 1 141.071 -0.67
  143.0866 C11H11- 1 143.0866 -0.31
  199.1127 C14H15O- 1 199.1128 -0.95
  225.1284 C16H17O- 1 225.1285 -0.53
  241.1597 C17H21O- 1 241.1598 -0.49
  267.1392 C18H19O2- 1 267.1391 0.55
  285.1493 C18H21O3- 1 285.1496 -1.08
  303.1597 C18H23O4- 1 303.1602 -1.63
  321.1701 C18H25O5- 1 321.1707 -1.95
PK$NUM_PEAK: 9
PK$PEAK: m/z int. rel.int.
  141.0709 22816.1 3
  143.0866 48937.2 7
  199.1127 108635.1 15
  225.1284 10761.1 1
  241.1597 10105.1 1
  267.1392 16225 2
  285.1493 178588.9 25
  303.1597 6960523.8 999
  321.1701 5352031.2 768
//