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MassBank Record: MSBNK-UFZ-WANA222405070APH

Budesonide; LC-ESI-ITFT; MS2; CE: 30%; R=15000; [M+H]+

Mass Spectrum
Chemical Structure
Generated by the Chemistry Development Kit (http://github.com/cdk)

ACCESSION: MSBNK-UFZ-WANA222405070APH
RECORD_TITLE: Budesonide; LC-ESI-ITFT; MS2; CE: 30%; R=15000; [M+H]+
DATE: 2023.08.12
AUTHORS: Tobias Schulze, Martin Krauss, Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research - UFZ, Leipzig, Germany
LICENSE: CC0
COPYRIGHT: Copyright (C) 2023
COMMENT: CONFIDENCE Reference Standard (Level 1)

CH$NAME: Budesonide
CH$NAME: Dexbudesonide
CH$NAME: (1S,2S,4R,6R,8S,9S,11S,12S,13R)-11-hydroxy-8-(2-hydroxyacetyl)-9,13-dimethyl-6-propyl-5,7-dioxapentacyclo[10.8.0.02,9.04,8.013,18]icosa-14,17-dien-16-one
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C25H34O6
CH$EXACT_MASS: 430.235538808
CH$SMILES: [H][C@@]12C[C@@]3([H])[C@]4([H])CCC5=CC(=O)C=C[C@]5(C)[C@@]4([H])[C@@H](O)C[C@]3(C)[C@@]1(O[C@H](CCC)O2)C(=O)CO
CH$IUPAC: InChI=1S/C25H34O6/c1-4-5-21-30-20-11-17-16-7-6-14-10-15(27)8-9-23(14,2)22(16)18(28)12-24(17,3)25(20,31-21)19(29)13-26/h8-10,16-18,20-22,26,28H,4-7,11-13H2,1-3H3/t16-,17-,18-,20+,21+,22+,23-,24-,25+/m0/s1
CH$LINK: CAS 51372-29-3
CH$LINK: CHEBI 181323
CH$LINK: PUBCHEM CID:40000
CH$LINK: INCHIKEY VOVIALXJUBGFJZ-VXKMTNQYSA-N
CH$LINK: CHEMSPIDER 36566
CH$LINK: COMPTOX DTXSID401017799

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 HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 30 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-445
AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Evo C18 2.6 um 50 x 2.1 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 95/5 at 1 min, 0/100 at 13 min, 0/100 at 24 min, 95/5 at 24.3 min, 95/5 at 32 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 11.840 min

MS$FOCUSED_ION: BASE_PEAK 431.2429
MS$FOCUSED_ION: PRECURSOR_M/Z 431.2428
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 8363077
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 3.11.2

PK$SPLASH: splash10-074i-0049000000-037a80ff36d4853411d1
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  263.1443 C19H19O+ 1 263.143 4.86
  305.154 C21H21O2+ 1 305.1536 1.35
  323.1648 C21H23O3+ 1 323.1642 1.98
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  263.1443 1257.3 893
  305.154 1087.2 772
  323.1648 1406.1 999
//

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