ACCESSION: MSBNK-UFZ-WANA046303B085PH
RECORD_TITLE: ISO E Super; LC-ESI-ITFT; MS2; CE: 20%; 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$NAME: ISO E Super
CH$NAME: 1-(2,3,8,8-Tetramethyl-1,2,3,4,5,6,7,8-octahydronaphthalen-2-yl)ethanone
CH$NAME: 1-(2,3,8,8-tetramethyl-1,3,4,5,6,7-hexahydronaphthalen-2-yl)ethanone
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₆H₂₆O
CH$EXACT_MASS: 234.198365452
CH$SMILES: CC1CC2=C(CC1(C)C(C)=O)C(C)(C)CCC2
CH$IUPAC: InChI=1S/C16H26O/c1-11-9-13-7-6-8-15(3,4)14(13)10-16(11,5)12(2)17/h11H,6-10H2,1-5H3
CH$LINK: CAS 68155-67-9
CH$LINK: PUBCHEM CID:108242
CH$LINK: INCHIKEY FVUGZKDGWGKCFE-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 97308
CH$LINK: COMPTOX DTXSID7031290

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$MASS_SPECTROMETRY: COLLISION_ENERGY 20 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 50-250
AC$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 13.863 min

MS$FOCUSED_ION: BASE_PEAK 116.986
MS$FOCUSED_ION: PRECURSOR_M/Z 235.2056
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 277059.66
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$SPLASH: splash10-000i-0090000000-6b0d11b19bd514efa4e1
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  177.1643 C13H21+ 1 177.1638 2.93
  217.1955 C16H25+ 1 217.1951 1.99
  235.2059 C16H27O+ 1 235.2056 1.12
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  177.1643 1006 8
  217.1955 10512.5 92
  235.2059 113330.4 999
//