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MassBank Record: EA280454

Candesartan; LC-ESI-ITFT; MS2; CE: 45%; R=7500; [M-H]-

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

ACCESSION: EA280454
RECORD_TITLE: Candesartan; LC-ESI-ITFT; MS2; CE: 45%; R=7500; [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 2804

CH$NAME: Candesartan
CH$NAME: 2-ethoxy-3-[4-[2-(2H-tetrazol-5-yl)phenyl]benzyl]benzimidazole-4-carboxylic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C24H20N6O3
CH$EXACT_MASS: 440.1597
CH$SMILES: c1(ccccc1c1ccc(Cn2c(nc3c2c(C(=O)O)ccc3)OCC)cc1)c1nnn[nH]1
CH$IUPAC: InChI=1S/C24H20N6O3/c1-2-33-24-25-20-9-5-8-19(23(31)32)21(20)30(24)14-15-10-12-16(13-11-15)17-6-3-4-7-18(17)22-26-28-29-27-22/h3-13H,2,14H2,1H3,(H,31,32)(H,26,27,28,29)
CH$LINK: CAS 139481-59-7
CH$LINK: CHEBI 3347
CH$LINK: KEGG C07468
CH$LINK: PUBCHEM CID:2541
CH$LINK: INCHIKEY HTQMVQVXFRQIKW-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 2445
CH$LINK: COMPTOX DTXSID0022725

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 HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 45 % (nominal)
AC$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 9.3 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 439.1519
MS$FOCUSED_ION: PRECURSOR_M/Z 439.1524
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$SPLASH: splash10-053r-0925000000-b2853a4d3ef881471918
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  117.046 C7H5N2- 1 117.0458 1.1
  132.033 C7H4N2O- 1 132.0329 0.9
  133.0408 C7H5N2O- 1 133.0407 0.48
  147.0199 C7H3N2O2- 1 147.02 -0.69
  161.0727 C9H9N2O- 1 161.072 3.81
  190.0667 C14H8N- 1 190.0662 2.3
  205.0616 C10H9N2O3- 1 205.0619 -1.39
  293.1083 C21H13N2- 1 293.1084 -0.31
  306.1039 C21H12N3- 2 306.1037 0.68
  309.1036 C21H13N2O- 1 309.1033 0.98
  324.115 C21H14N3O- 2 324.1142 2.2
PK$NUM_PEAK: 11
PK$PEAK: m/z int. rel.int.
  117.046 11008 91
  132.033 96711.5 800
  133.0408 95611.9 791
  147.0199 29061.8 240
  161.0727 31466.3 260
  190.0667 10353.3 85
  205.0616 9727.4 80
  293.1083 54153.8 448
  306.1039 28976 239
  309.1036 120624.9 999
  324.115 21421 177
//

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