ACCESSION: EA255506
RECORD_TITLE: Cilastatin; LC-ESI-ITFT; MS2; 75%; R=7500; [M+H]+
DATE: 2012.11.21
AUTHORS: Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: http://massbank.ufz.de/MassBank/files/license.html
COPYRIGHT: Copyright (C) 2011 Eawag, Duebendorf, Switzerland
COMMENT: CONFIDENCE standard compound
COMMENT: EAWAG_UCHEM_ID 2555
CH$NAME: Cilastatin
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C16H26N2O5S
CH$EXACT_MASS: 358.1562
CH$SMILES: [H][C@](N)(CSCCCC\C=C(/NC(=O)[C@@]1([H])CC1(C)C)C(O)=O)C(O)=O
CH$IUPAC: InChI=1S/C16H26N2O5S/c1-16(2)8-10(16)13(19)18-12(15(22)23)6-4-3-5-7-24-9-11(17)14(20)21/h6,10-11H,3-5,7-9,17H2,1-2H3,(H,18,19)(H,20,21)(H,22,23)/b12-6-/t10-,11+/m1/s1
CH$LINK: CAS 82009-34-5
CH$LINK: KEGG D07698
CH$LINK: PUBCHEM CID:6435415
CH$LINK: INCHIKEY DHSUYTOATWAVLW-WFVMDLQDSA-N
CH$LINK: CHEMSPIDER 4940183
AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 75 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 7500
AC$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$CHROMATOGRAPHY: RETENTION_TIME 5.2 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 359.1645
MS$FOCUSED_ION: PRECURSOR_M/Z 359.1635
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: DEPROFILE Spline
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: WHOLE RMassBank
PK$ANNOTATION: m/z num {formula mass error(ppm)}
  55.0178 1 C3H3O+ 55.0178 -1.47
  67.0542 1 C5H7+ 67.0542 0.05
  69.0698 1 C5H9+ 69.0699 -0.53
  77.0386 1 C6H5+ 77.0386 -0.22
  79.0542 1 C6H7+ 79.0542 -0.84
  81.0697 1 C6H9+ 81.0699 -1.81
  96.0808 1 C6H10N+ 96.0808 0.15
  97.0647 1 C6H9O+ 97.0648 -1.04
  98.0963 1 C6H12N+ 98.0964 -1.59
  105.0452 1 C6H5N2+ 105.0447 4.53
  113.0419 1 C6H9S+ 113.0419 -0.78
  130.0683 1 C6H12NS+ 130.0685 -1.67
PK$NUM_PEAK: 12
PK$PEAK: m/z int. rel.int.
  55.0178 5970.8 12
  67.0542 23046.7 47
  69.0698 138753 283
  77.0386 9174.1 18
  79.0542 99768.2 204
  81.0697 12540.6 25
  96.0808 13386.6 27
  97.0647 488443.1 999
  98.0963 24681 50
  105.0452 4749.6 9
  113.0419 41053.8 83
  130.0683 12563.8 25
