ACCESSION: EA019112
RECORD_TITLE: Clarithromycin; LC-ESI-ITFT; MS2; 75%; R=15000; [M+H]+
DATE: 2012.11.21
AUTHORS: Stravs M, Schymanski E, Singer H, Department of Environmental Chemistry, Eawag
LICENSE: http://massbank.ufz.de/MassBank/files/license.html
COPYRIGHT: Copyright (C) 2011 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$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 75 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$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$DATA_PROCESSING: WHOLE RMassBank
PK$ANNOTATION: m/z num {formula mass error(ppm)}
  55.0542 1 C4H7+ 55.0542 -0.48
  57.0573 1 C3H7N+ 57.0573 0.87
  59.0492 1 C3H7O+ 59.0491 0.49
  70.0652 1 C4H8N+ 70.0651 0.35
  72.0808 1 C4H10N+ 72.0808 -0.22
  81.0699 1 C6H9+ 81.0699 0.04
  83.0491 1 C5H7O+ 83.0491 -0.14
  84.0808 1 C5H10N+ 84.0808 0.76
  88.0756 1 C4H10NO+ 88.0757 -0.57
  98.0964 1 C6H12N+ 98.0964 -0.36
  116.0705 1 C5H10NO2+ 116.0706 -0.99
  116.1069 1 C6H14NO+ 116.107 -0.78
  692.1265 1 C36H24N2O13+ 692.1273 -1.2
PK$NUM_PEAK: 13
PK$PEAK: m/z int. rel.int.
  55.0542 4733.3 26
  57.0573 2569.4 14
  59.0492 4384.4 24
  70.0652 2630.7 14
  72.0808 57999.6 321
  81.0699 8228.9 45
  83.0491 180246.3 999
  84.0808 7823.1 43
  88.0756 13376.5 74
  98.0964 38078.1 211
  116.0705 9625.6 53
  116.1069 9755.6 54
  692.1265 2255 12
