MassBank Record: AU202005

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N-Desmethyl Clarithromycin; LC-ESI-QTOF; MS2; CE: 50 eV; R=35000; [M+H]+
Mass Spectrum
Chemical Structure
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ACCESSION: AU202005
RECORD_TITLE: N-Desmethyl Clarithromycin; LC-ESI-QTOF; MS2; CE: 50 eV; R=35000; [M+H]+
DATE: 2015.12.03
AUTHORS: Nikiforos Alygizakis, Nikolaos Thomaidis, University of Athens
LICENSE: CC BY-SA
COPYRIGHT: Copyright (C) 2015 Department of Chemistry, University of Athens
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 2020

CH$NAME: N-Desmethyl Clarithromycin CH$NAME: 14-ethyl-12,13-dihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl)oxy-6-[3-hydroxy-6-methyl-4-(methylamino)oxan-2-yl]oxy-7-methoxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione CH$COMPOUND_CLASS: N/A; Environmental Standard CH$FORMULA: C37H67NO13 CH$EXACT_MASS: 733.4612412 CH$SMILES: CCC1OC(=O)C(C)C(OC2CC(C)(OC)C(O)C(C)O2)C(C)C(OC2OC(C)CC(NC)C2O)C(C)(CC(C)C(=O)C(C)C(O)C1(C)O)OC CH$IUPAC: InChI=1S/C37H67NO13/c1-14-25-37(10,44)30(41)20(4)27(39)18(2)16-36(9,46-13)32(51-34-28(40)24(38-11)15-19(3)47-34)21(5)29(22(6)33(43)49-25)50-26-17-35(8,45-12)31(42)23(7)48-26/h18-26,28-32,34,38,40-42,44H,14-17H2,1-13H3 CH$LINK: CAS 101666-68-6 CH$LINK: PUBCHEM CID:13923912 CH$LINK: INCHIKEY CIJTVUQEURKBDL-UHFFFAOYSA-N CH$LINK: CHEMSPIDER 19564792
AC$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 50 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$CHROMATOGRAPHY: RETENTION_TIME 9.1 min AC$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 429.2395 MS$FOCUSED_ION: PRECURSOR_M/Z 734.4685 MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+ MS$DATA_PROCESSING: RECALIBRATE identity on assigned fragments and MS1 MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included MS$DATA_PROCESSING: WHOLE RMassBank 2.0.3
PK$SPLASH: splash10-0006-0900000000-dc4bd2ae98021ab74544 PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 123.0794 C8H11O+ 1 123.0804 -8.48 126.091 C7H12NO+ 2 126.0913 -2.73 127.0746 C7H11O2+ 1 127.0754 -5.83 137.0946 C9H13O+ 1 137.0961 -10.76 144.1011 C7H14NO2+ 2 144.1019 -5.31 170.1168 C9H16NO2+ 2 170.1176 -4.45 183.1004 C10H15O3+ 1 183.1016 -6.63 193.1213 C12H17O2+ 1 193.1223 -5.08 195.1377 C12H19O2+ 1 195.138 -1.31 251.164 C15H23O3+ 3 251.1642 -0.65 289.1793 C3H31NO13+ 3 289.179 1.19 307.1901 C18H27O4+ 2 307.1904 -1.03 308.1916 C17[13]CH27O4+ 1 308.1943 -8.63 365.2313 C21H33O5+ 5 365.2323 -2.5 383.2438 C21H35O6+ 5 383.2428 2.62 PK$NUM_PEAK: 15 PK$PEAK: m/z int. rel.int. 123.0794 7216 31 126.091 1212 5 127.0746 7512 32 137.0946 1920 8 144.1011 230812 999 170.1168 6672 28 183.1004 2244 9 193.1213 2620 11 195.1377 1376 5 251.164 2324 10 289.1793 6408 27 307.1901 5356 23 308.1916 1208 5 365.2313 2764 11 383.2438 1280 5 //