ACCESSION: MSBNK-Athens_Univ-AU105201
RECORD_TITLE: Azithromycin; LC-ESI-QTOF; MS2; CE: 10 eV; R=35000; [M+H]+
DATE: 2019.05.30
AUTHORS: Nikiforos Alygizakis, Katerina Galani, Nikolaos Thomaidis, University of Athens
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2019 Department of Chemistry, University of Athens
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 1052

CH$NAME: Azithromycin
CH$NAME: MQTOSJVFKKJCRP-UHFFFAOYSA-N
CH$NAME: 11-[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-(5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl)oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₃₈H₇₂N₂O₁₂
CH$EXACT_MASS: 748.5085257
CH$SMILES: CCC1OC(=O)C(C)C(OC2CC(C)(OC)C(O)C(C)O2)C(C)C(OC2OC(C)CC(C2O)N(C)C)C(C)(O)CC(C)CN(C)C(C)C(O)C1(C)O
CH$IUPAC: InChI=1S/C38H72N2O12/c1-15-27-38(10,46)31(42)24(6)40(13)19-20(2)17-36(8,45)33(52-35-29(41)26(39(11)12)16-21(3)48-35)22(4)30(23(5)34(44)50-27)51-28-18-37(9,47-14)32(43)25(7)49-28/h20-33,35,41-43,45-46H,15-19H2,1-14H3
CH$LINK: CAS 83905-01-5
CH$LINK: PUBCHEM CID:2269
CH$LINK: INCHIKEY MQTOSJVFKKJCRP-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 2182

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$MASS_SPECTROMETRY: COLLISION_ENERGY 10 eV
AC$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 5.633 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$FOCUSED_ION: BASE_PEAK 375.2602
MS$FOCUSED_ION: PRECURSOR_M/Z 749.5158
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE identity on assigned fragments and MS1
MS$DATA_PROCESSING: WHOLE RMassBank 2.10.1

PK$SPLASH: splash10-0f6t-0000000900-f00beaf7ccf320fb9268
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  591.4262 C35H59O7+ 9 591.4255 1.19
  749.518 C38H73N2O12+ 1 749.5158 2.87
  750.5214 C37[13]CH73N2O12+ 1 750.5197 2.29
  751.526 C36[13]C2H73N2O12+ 1 751.5231 3.88
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  591.4262 444 9
  749.518 45284 999
  750.5214 21700 478
  751.526 4928 108
//