MassBank Record: EA019001



 Azithromycin; LC-ESI-ITFT; MS2; CE: 35%; R=7500; [M+H]+ 
Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk) \n

ACCESSION: EA019001
RECORD_TITLE: Azithromycin; LC-ESI-ITFT; MS2; CE: 35%; 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 190

CH$NAME: Azithromycin CH$NAME: (2R,3S,4R,5R,8R,10R,11R,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-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$EXACT_MASS: 748.5085 CH$SMILES: CC[C@H]1OC(=O)[C@H](C)[C@@H](O[C@H]2C[C@@](C)(OC)[C@@H](O)[C@H](C)O2)C(C)[C@@H](O[C@@H]3O[C@H](C)C[C@@H]([C@H]3O)N(C)C)[C@](C)(O)C[C@@H](C)CN(C)[C@H](C)[C@@H](O)[C@]1(C)O CH$IUPAC: InChI=1S/C38H72N2O12/c1-15-27-38(10,46)31(42)24(6)40(13)19-20(2)17-36(8,45)33(52-35-29(41)26(39(11)12)16-21(3)48-35)22(4)30(23(5)34(44)50-27)51-28-18-37(9,47-14)32(43)25(7)49-28/h20-33,35,41-43,45-46H,15-19H2,1-14H3/t20-,21-,22?,23-,24-,25+,26+,27-,28+,29-,30+,31-,32+,33-,35+,36-,37-,38-/m1/s1 CH$LINK: CAS 83905-01-5 CH$LINK: CHEBI 2955 CH$LINK: KEGG D07486 CH$LINK: LIPIDMAPS LMPK04000013 CH$LINK: PUBCHEM CID:55185 CH$LINK: INCHIKEY MQTOSJVFKKJCRP-OHJWJPDZSA-N CH$LINK: CHEMSPIDER 49833
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 CID AC$MASS_SPECTROMETRY: COLLISION_ENERGY 35 % (nominal) AC$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 5.9 min AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid
MS$FOCUSED_ION: BASE_PEAK 375.2626 MS$FOCUSED_ION: PRECURSOR_M/Z 749.5158 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: splash10-0006-0000090000-4a1262870aa8a3ab33b7 PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm) 375.2748 C20H39O6+ 1 375.2741 1.88 434.3103 C22H44NO7+ 1 434.3112 -2.05 573.4099 C30H57N2O8+ 2 573.4109 -1.75 591.4207 C30H59N2O9+ 1 591.4215 -1.35 592.4042 C30H58NO10+ 1 592.4055 -2.28 731.5018 C38H71N2O11+ 1 731.5052 -4.69 PK$NUM_PEAK: 6 PK$PEAK: m/z int. rel.int. 375.2748 6107.7 5 434.3103 53668 51 573.4099 78710.2 75 591.4207 1034994.5 999 592.4042 53054.8 51 731.5018 12759.8 12 //