ACCESSION: MSBNK-Eawag-EA019101
RECORD_TITLE: Clarithromycin; 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 191

CH$NAME: Clarithromycin
CH$NAME: 6-O-Methylerythromycin
CH$NAME: (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-[4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-14-ethyl-12,13-dihydroxy-4-(5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl)oxy-7-methoxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-quinone
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₃₈H₆₉NO₁₃
CH$EXACT_MASS: 747.4769
CH$SMILES: CC[C@H]1OC(=O)[C@H](C)[C@@H](OC2CC(C)(OC)C(O)C(C)O2)[C@H](C)[C@@H](OC3OC(C)CC(C3O)N(C)C)[C@@](C)(C[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@]1(C)O)OC
CH$IUPAC: InChI=1S/C38H69NO13/c1-15-26-38(10,45)31(42)21(4)28(40)19(2)17-37(9,47-14)33(52-35-29(41)25(39(11)12)16-20(3)48-35)22(5)30(23(6)34(44)50-26)51-27-18-36(8,46-13)32(43)24(7)49-27/h19-27,29-33,35,41-43,45H,15-18H2,1-14H3/t19-,20?,21+,22+,23-,24?,25?,26-,27?,29?,30+,31-,32?,33-,35?,36?,37-,38-/m1/s1
CH$LINK: CAS 81103-11-9
CH$LINK: KEGG C06912
CH$LINK: PUBCHEM CID:84029
CH$LINK: INCHIKEY AGOYDEPGAOXOCK-AVDMLEEESA-N
CH$LINK: CHEMSPIDER 10342604

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 35 % (nominal)
AC$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 9.7 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 748.4865
MS$FOCUSED_ION: PRECURSOR_M/Z 748.4842
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$SPLASH: splash10-0006-0000090000-fcc31270db1a31379161
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  316.2106 C16H30NO5+ 1 316.2118 -3.82
  540.3546 C29H50NO8+ 1 540.3531 2.88
  558.3627 C29H52NO9+ 2 558.3637 -1.65
  590.3894 C30H56NO10+ 1 590.3899 -0.78
  716.4559 C37H66NO12+ 1 716.458 -2.88
PK$NUM_PEAK: 5
PK$PEAK: m/z int. rel.int.
  316.2106 4514.4 9
  540.3546 10592.2 21
  558.3627 129282.2 267
  590.3894 482300.7 999
  716.4559 12568.6 26
//