MassBank Record: AU102804

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Difloxacin; LC-ESI-QTOF; MS2; CE: 40 eV; R=35000; [M+H]+
Mass Spectrum
Chemical Structure
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ACCESSION: AU102804
RECORD_TITLE: Difloxacin; LC-ESI-QTOF; MS2; CE: 40 eV; R=35000; [M+H]+
DATE: 2016.02.21
AUTHORS: Nikiforos Alygizakis, Reza Aalizadeh, Nikolaos Thomaidis, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2016 Department of Chemistry, University of Athens
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 1028

CH$NAME: Difloxacin CH$NAME: 6-fluoro-1-(4-fluorophenyl)-7-(4-methylpiperazin-1-yl)-4-oxoquinoline-3-carboxylic acid CH$NAME: 6-fluoro-1-(4-fluorophenyl)-7-(4-methylpiperazin-4-ium-1-yl)-4-oxoquinoline-3-carboxylate CH$COMPOUND_CLASS: N/A; Environmental Standard CH$FORMULA: C21H19F2N3O3 CH$EXACT_MASS: 399.1394479 CH$SMILES: CN1CCN(CC1)C2=C(C=C3C(=C2)N(C=C(C3=O)C(=O)O)C4=CC=C(C=C4)F)F CH$IUPAC: InChI=1S/C21H19F2N3O3/c1-24-6-8-25(9-7-24)19-11-18-15(10-17(19)23)20(27)16(21(28)29)12-26(18)14-4-2-13(22)3-5-14/h2-5,10-12H,6-9H2,1H3,(H,28,29) CH$LINK: CAS 98106-17-3 CH$LINK: CHEBI 4537 CH$LINK: CHEMSPIDER 50725 CH$LINK: COMPTOX DTXSID5048348 CH$LINK: INCHIKEY NOCJXYPHIIZEHN-UHFFFAOYSA-N CH$LINK: KEGG C11234 CH$LINK: PUBCHEM CID:56206
AC$INSTRUMENT: Bruker maXis Impact AC$INSTRUMENT_TYPE: LC-ESI-QTOF AC$MASS_SPECTROMETRY: MS_TYPE MS2 AC$MASS_SPECTROMETRY: ION_MODE POSITIVE AC$MASS_SPECTROMETRY: IONIZATION ESI AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40 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$CHROMATOGRAPHY: RETENTION_TIME 5.602 min AC$CHROMATOGRAPHY: SOLVENT A 90:10 water:methanol with 0.01% formic acid and 5mM ammonium formate AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.01% formic acid and 5mM ammonium formate
MS$FOCUSED_ION: BASE_PEAK 400.1496 MS$FOCUSED_ION: PRECURSOR_M/Z 400.1467 MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+ MS$DATA_PROCESSING: RECALIBRATE identity on assigned fragments and MS1 MS$DATA_PROCESSING: WHOLE RMassBank 1.99.10
PK$SPLASH: splash10-0udi-0037900000-24e9d598116abf61643a PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 149.0249 C11H3N+ 6 149.026 -7.41 185.1088 C9H14FN2O+ 4 185.1085 1.76 196.101 C10H13FN2O+ 5 196.1006 1.69 225.0806 C11H12FNO3+ 4 225.0796 4.46 227.0567 C13H9NO3+ 5 227.0577 -4.31 241.0762 C17H9N2+ 4 241.076 0.9 242.0745 C12H12F2O3+ 8 242.0749 -1.48 264.1032 C14H15FNO3+ 4 264.103 0.69 268.082 C16H10F2N2+ 8 268.0807 4.89 269.0917 C15H13N2O3+ 9 269.0921 -1.47 278.1108 C16H16F2O2+ 7 278.1113 -1.74 278.1259 C17H16N3O+ 7 278.1288 -10.35 279.0922 C17H12FN2O+ 6 279.0928 -2.04 280.1275 C16H18F2O2+ 8 280.1269 1.97 281.0882 C17H11F2N2+ 6 281.0885 -0.84 282.0567 C16H9FNO3+ 4 282.0561 2.15 285.0858 C16H11F2N2O+ 8 285.0834 8.41 291.1223 C19H17NO2+ 7 291.1254 -10.43 292.0927 C19H12F2N+ 8 292.0932 -1.84 297.0855 C17H11F2N2O+ 9 297.0834 7.13 299.1011 C17H13F2N2O+ 9 299.099 6.94 300.1045 C16[13]CH13F2N2O+ 1 300.1029 5.15 301.1099 C20H15NO2+ 5 301.1097 0.49 305.0771 C20H11F2O+ 7 305.0772 -0.5 305.1378 C18H19F2O2+ 7 305.1348 10.09 306.0717 C19H10F2NO+ 6 306.0725 -2.74 306.1055 C20H15FO2+ 8 306.1051 1.31 306.1426 C18H20F2O2+ 7 306.1426 0.05 307.108 C18H15N2O3+ 9 307.1077 0.75 307.1444 C19H19N2O2+ 6 307.1441 0.93 311.0872 C21H13NO2+ 6 311.0941 -22.27 311.0994 C21H13NO2+ 6 311.0941 16.96 313.1194 C20H15N3O+ 6 313.121 -5.03 324.0809 C19H12F2NO2+ 3 324.0831 -6.73 324.1176 C20H16F2NO+ 5 324.1194 -5.62 325.0784 C18H11F2N2O2+ 5 325.0783 0.3 326.1483 C21H20F2O+ 5 326.1477 2 329.0748 C20H9F2N3+ 4 329.0759 -3.38 334.1022 C21H14F2NO+ 4 334.1038 -4.83 334.1381 C19H20F2O3+ 5 334.1375 1.72 335.105 C19H14FN3O2+ 5 335.1065 -4.34 335.1375 C20H19N2O3+ 6 335.139 -4.44 336.1549 C17H20F2N3O2+ 3 336.1518 9.15 337.0982 C19H14FN2O3+ 4 337.0983 -0.28 338.1493 C19H20N3O3+ 4 338.1499 -1.68 339.0826 C20H13F2O3+ 4 339.0827 -0.46 339.1603 C20H19F2N3+ 1 339.1542 17.99 340.0865 C21H11FN3O+ 4 340.0881 -4.57 343.092 C21H11F2N3+ 4 343.0916 1.33 352.1111 C19H15FN3O3+ 2 352.1092 5.53 354.1084 C21H16F2O3+ 2 354.1062 6.12 354.1445 C20H18F2N3O+ 2 354.1412 9.14 355.1073 C19H15F2N3O2+ 3 355.1127 -15.28 356.1596 C20H20F2N3O+ 1 356.1569 7.68 362.1323 C18H18F2N3O3+ 2 362.1311 3.38 380.1449 C21H19FN3O3+ 1 380.1405 11.5 381.1473 C21H20FN3O3+ 1 381.1483 -2.76 382.1399 C21H18F2N3O2+ 1 382.1362 9.9 383.1453 C20[13]CH18F2N3O2+ 1 383.1401 13.58 384.1443 C21H20F2N3O2+ 1 384.1518 -19.45 400.1501 C21H20F2N3O3+ 1 400.1467 8.45 401.1519 C20[13]CH20F2N3O3+ 1 401.1506 3.18 PK$NUM_PEAK: 62 PK$PEAK: m/z int. rel.int. 149.0249 408 11 185.1088 884 25 196.101 356 10 225.0806 336 9 227.0567 352 10 241.0762 344 9 242.0745 560 16 264.1032 300 8 268.082 300 8 269.0917 304 8 278.1108 620 17 278.1259 344 9 279.0922 676 19 280.1275 320 9 281.0882 404 11 282.0567 568 16 285.0858 1156 33 291.1223 584 16 292.0927 324 9 297.0855 324 9 299.1011 11336 326 300.1045 2136 61 301.1099 352 10 305.0771 408 11 305.1378 468 13 306.0717 384 11 306.1055 1308 37 306.1426 4400 126 307.108 352 10 307.1444 952 27 311.0872 700 20 311.0994 488 14 313.1194 312 8 324.0809 444 12 324.1176 728 20 325.0784 492 14 326.1483 492 14 329.0748 400 11 334.1022 676 19 334.1381 1696 48 335.105 336 9 335.1375 440 12 336.1549 380 10 337.0982 384 11 338.1493 352 10 339.0826 1064 30 339.1603 316 9 340.0865 584 16 343.092 388 11 352.1111 900 25 354.1084 1864 53 354.1445 700 20 355.1073 556 16 356.1596 1008 29 362.1323 740 21 380.1449 1268 36 381.1473 368 10 382.1399 6980 201 383.1453 1944 56 384.1443 396 11 400.1501 34644 999 401.1519 10100 291 //