ACCESSION: MSBNK-HBM4EU-HB002783
RECORD_TITLE: Ethambutol; LC-ESI-QFT; MS2; CE: CE45; R=17500; [M+H]+
DATE: 2019.09.23
AUTHORS: Kondic T, Singh R, Elapavalore A, Krier J, Mohammed Taha H, Narayanan M, Schymanski E
LICENSE: CC0
COPYRIGHT: Copyright (c) by Environmental Cheminformatics, LCSB, University of Luxembourg, Luxembourg
PUBLICATION: Oberacher H, Sasse M, Antignac J-P, Guitton Y, Debrauwer L, Jamin E L, Schulze T, Krauss M, Covaci A, Caballero-Casero N, Rosseau K, Damont A, Fenaille F, Lamoree M, Schymanski E, A European proposal for quality control and quality assurance of tandem mass spectral libraries, Environmental Sciences Europe, https://doi.org/10.1186/s12302-020-00314-9
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 4
COMMENT: HBM4EU - science and policy for a healthy future (https://www.hbm4eu.eu)

CH$NAME: Ethambutol
CH$NAME: Myambutol
CH$NAME: 2-[2-(1-hydroxybutan-2-ylamino)ethylamino]butan-1-ol
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₀H₂₄N₂O₂
CH$EXACT_MASS: 204.1838
CH$SMILES: CCC(CO)NCCNC(CC)CO
CH$IUPAC: InChI=1S/C10H24N2O2/c1-3-9(7-13)11-5-6-12-10(4-2)8-14/h9-14H,3-8H2,1-2H3
CH$LINK: CAS 74-55-5
CH$LINK: CHEBI 94436
CH$LINK: PUBCHEM CID:3279
CH$LINK: INCHIKEY AEUTYOVWOVBAKS-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 3164

AC$INSTRUMENT: Q Exactive Thermo Fisher Scientific
AC$INSTRUMENT_TYPE: LC-ESI-QFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE POSITIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY CE45
AC$MASS_SPECTROMETRY: RESOLUTION 17500
AC$CHROMATOGRAPHY: COLUMN_NAME Acquity UPLC BEH C18 1.7 um, 2.1 x 150 mm, Waters
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 90/10 at 2 min, 0/100 at 15 min, 0/100 at 20 min, 90/10 at 21 min, 90/10 at 30 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 4.505 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: BASE_PEAK 223.0629
MS$FOCUSED_ION: PRECURSOR_M/Z 205.1911
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$DATA_PROCESSING: RECALIBRATE loess on assigned fragments and MS1
MS$DATA_PROCESSING: REANALYZE Peaks with additional N2/O included
MS$DATA_PROCESSING: WHOLE RMassBank 2.11.3.1

PK$SPLASH: splash10-0a4i-9000000000-363e544a646ef020ed5d
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  55.0548 C4H7+ 1 55.0542 10.59
  56.0497 C3H6N+ 1 56.0495 4.52
PK$NUM_PEAK: 2
PK$PEAK: m/z int. rel.int.
  55.0548 23577.2 999
  56.0497 2129.6 90
//