ACCESSION: MSBNK-BAFG-CSL23111014205
RECORD_TITLE: Rifaximin; LC-ESI-QTOF; MS2; 60 V
DATE: 2023.11.10
AUTHORS: Kevin S. Jewell; Björn Ehlig; Arne Wick
LICENSE: dl-de/by-2-0
COPYRIGHT: Copyright 2023 Federal Institute of Hydrology, Koblenz, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: Chromatography method: dx.doi.org/10.1016/j.chroma.2015.11.014
COMMENT: Acquisition method: 10.1002/rcm.8541

CH$NAME: Rifaximin
CH$COMPOUND_CLASS: Pharmaceutical
CH$FORMULA: C₄₃H₅₁N₃O₁₁
CH$EXACT_MASS: 785.3524
CH$SMILES: CC1C=CC=C(C(=O)NC2=C(C3=C(C4=C(C(=C3O)C)OC(C4=O)(OC=CC(C(C(C(C(C(C1O)C)O)C)OC(=O)C)C)OC)C)C5=C2N6C=CC(=CC6=N5)C)O)C
CH$IUPAC: InChI=1S/C43H51N3O11/c1-19-14-16-46-28(18-19)44-32-29-30-37(50)25(7)40-31(29)41(52)43(9,57-40)55-17-15-27(54-10)22(4)39(56-26(8)47)24(6)36(49)23(5)35(48)20(2)12-11-13-21(3)42(53)45-33(34(32)46)38(30)51/h11-18,20,22-24,27,35-36,39,48-51H,1-10H3,(H,45,53)
CH$LINK: CAS 80621-81-4
CH$LINK: INCHIKEY NZCRJKRKKOLAOJ-UHFFFAOYSA-N

AC$INSTRUMENT: TripleTOF 6600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 60
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME Zorbax Eclipse Plus C18 2.1 mm x 150 mm, 3.5 um, Agilent
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 °C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 0 min min 98% A, 1 min 98% A, 2 min 80% A, 16.5 min 2% A, 22 min 2% A, 22.1 min 98% A, 27 min 98% A
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 11.765 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 808.3416
MS$FOCUSED_ION: PRECURSOR_TYPE [M+Na]+
MS$DATA_PROCESSING: COMMENT Export with Spectra 1.9.12 MsBackendMassbank 1.7.4
MS$DATA_PROCESSING: WHOLE RMassBank 2.3.1

PK$SPLASH: splash10-02wa-0008013900-249645a37bb7b8693139
PK$NUM_PEAK: 18
PK$PEAK: m/z int. rel.int.
  347.1038 32.1 296
  369.0858 90.5 835
  383.0892 108.2 999
  384.0963 30.3 279
  385.1032 5.4 49
  477.1311 19.7 181
  506.1705 19.4 179
  507.1773 10.3 95
  534.1635 21.2 195
  535.1734 12.6 116
  662.2851 59.5 549
  663.2929 46.5 429
  716.2962 90.5 835
  722.3078 9.8 90
  748.3227 46.3 427
  749.329 43.4 400
  776.3182 100.2 925
  808.3427 28.5 263
//