ACCESSION: MSBNK-UFZ-UF412404
RECORD_TITLE: Metformin; LC-ESI-ITFT; MS2; CE: 55; R=15000; [M+H]+
DATE: 2017.01.05
AUTHORS: Schulze T, Krauss M, Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research - UFZ GmbH, Leipzig, Germany
LICENSE: CC BY
COPYRIGHT: Copyright (C) 2017
COMMENT: CONFIDENCE standard compound
COMMENT: INTERNAL_ID 4124

CH$NAME: Metformin
CH$NAME: 3-(Diaminomethylidene)-1,1-dimethylguanidine
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₄H₁₁N₅
CH$EXACT_MASS: 129.1014
CH$SMILES: CN(C)C(=N)NC(N)=N
CH$IUPAC: InChI=1S/C4H11N5/c1-9(2)4(7)8-3(5)6/h1-2H3,(H5,5,6,7,8)
CH$LINK: CAS 657-24-9
CH$LINK: CHEBI 6801
CH$LINK: KEGG C07151
CH$LINK: PUBCHEM CID:4091
CH$LINK: INCHIKEY XZWYZXLIPXDOLR-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 3949
CH$LINK: COMPTOX DTXSID2023270

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 CID
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 55 (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 15000
AC$CHROMATOGRAPHY: COLUMN_NAME Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, 80/20 at 3.2 min, 5/95 at 17.8 min, 5/95 at 37.8 min, 90/10 at 37.9 min, 90/10 at 47 min
AC$CHROMATOGRAPHY: FLOW_RATE 200 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 2.136 min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.1% formic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% formic acid

MS$FOCUSED_ION: BASE_PEAK 149.0029
MS$FOCUSED_ION: PRECURSOR_M/Z 130.1087
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 2.2.1

PK$SPLASH: splash10-03di-9100000000-49305dce40b0f4453fc4
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  60.0557 CH6N3+ 1 60.0556 1.87
  71.0606 C3H7N2+ 1 71.0604 3.57
  85.0512 C2H5N4+ 1 85.0509 4.33
  88.0873 C3H10N3+ 1 88.0869 4.28
  113.0826 C4H9N4+ 1 113.0822 4.03
PK$NUM_PEAK: 5
PK$PEAK: m/z int. rel.int.
  60.0557 218976.4 999
  71.0606 7007.7 31
  85.0512 66278.8 302
  88.0873 31950.7 145
  113.0826 53095.1 242
//