MassBank Record: LU087501

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3,3`,5,5`-Tetramethylbenzidine; LC-ESI-QFT; MS2; CE: 15; R=17500; [M+H]+

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

ACCESSION: LU087501
RECORD_TITLE: 3,3`,5,5`-Tetramethylbenzidine; LC-ESI-QFT; MS2; CE: 15; R=17500; [M+H]+
DATE: 2020.08.19
AUTHORS: Kondić, T.;Singh, R.;Elapavalore, A.;Schymanski, E.
LICENSE: CC0
COPYRIGHT: Copyright © 2019 by Environmental Cheminformatics, LCSB, University of Luxembourg, Luxembourg
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 875
COMMENT: DATASET 20200303_ENTACT_RP_MIX508
COMMENT: DATA_PROCESSING MERGING RMBmix ver. 0.2.7
COMMENT: DATA_PROCESSING PRESCREENING Shinyscreen ver. 0.8.0
COMMENT: ORIGINAL_ACQUISITION_NO 7072
COMMENT: ORIGINAL_PRECURSOR_SCAN_NO 7068

CH$NAME: 3,3',5,5'-Tetramethylbenzidine
CH$NAME: 4-(4-amino-3,5-dimethylphenyl)-2,6-dimethylaniline
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C16H20N2
CH$EXACT_MASS: 240.1626
CH$SMILES: CC1=CC(=CC(C)=C1N)C1=CC(C)=C(N)C(C)=C1
CH$IUPAC: InChI=1S/C16H20N2/c1-9-5-13(6-10(2)15(9)17)14-7-11(3)16(18)12(4)8-14/h5-8H,17-18H2,1-4H3
CH$LINK: CAS 54827-17-7
CH$LINK: PUBCHEM CID:41206
CH$LINK: INCHIKEY UAIUNKRWKOVEES-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 37605

AC$INSTRUMENT: Q Exactive Orbitrap (Thermo Scientific)
AC$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$MASS_SPECTROMETRY: COLLISION_ENERGY 15
AC$MASS_SPECTROMETRY: RESOLUTION 17500
AC$CHROMATOGRAPHY: COLUMN_NAME Acquity BEH C18 1.7um, 2.1x150mm (Waters)
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0-2 min, 0/100 at 15-20 min, 90/10 at 20.1-30 min
AC$CHROMATOGRAPHY: FLOW_RATE 0.20 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 13.421 min
AC$CHROMATOGRAPHY: SOLVENT A 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: BASE_PEAK 79.0211
MS$FOCUSED_ION: PRECURSOR_M/Z 241.1699
MS$FOCUSED_ION: PRECURSOR_TYPE [M+H]+
MS$FOCUSED_ION: PRECURSOR_INTENSITY 18330270.5
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 2.99.2

PK$SPLASH: splash10-0006-0090000000-d7250ae3abd6ab4fd5c1
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  224.1436 C16H18N+ 1 224.1434 1.15
  226.1463 C15H18N2+ 1 226.1464 -0.74
  240.1586 C16H20N2+ 1 240.1621 -14.7
  241.1664 C16H21N2+ 1 241.1699 -14.67
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  224.1436 6302 1
  226.1463 11067 3
  240.1586 3992 1
  241.1664 3492726.2 999
//