ACCESSION: MSBNK-BAFG-CSL2311091982
RECORD_TITLE: Lamivudine carboxylic acid; LC-ESI-QTOF; MS2; 40 V
DATE: 2023.11.09
AUTHORS: Kevin S. Jewell; Björn Ehlig; Arne Wick
LICENSE: dl-de/by-2-0
COPYRIGHT: Copyright 2023 Federal Institute of Hydrology, Koblenz, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: Chromatography method: dx.doi.org/10.1016/j.chroma.2015.11.014
COMMENT: Acquisition method: 10.1002/rcm.8541

CH$NAME: Lamivudine carboxylic acid
CH$COMPOUND_CLASS: Pharmaceutical; Metabolite; Transformation_product
CH$FORMULA: C₈H₉N₃O₄S
CH$EXACT_MASS: 243.0314
CH$SMILES: O=C([C@@H]1O[C@H](N2C=CC(N)=NC2=O)CS1)O
CH$IUPAC: InChI=1S/C8H9N3O4S/c9-4-1-2-11(8(14)10-4)5-3-16-7(15-5)6(12)13/h1-2,5,7H,3H2,(H,12,13)(H2,9,10,14)/t5-,7+/m0/s1
CH$LINK: CAS 173829-09-9
CH$LINK: INCHIKEY PIIRVEZNDVLYQA-CAHLUQPWSA-N

AC$INSTRUMENT: TripleTOF 5600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME Zorbax Eclipse Plus C18 2.1 mm x 150 mm, 3.5 um, Agilent
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 °C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 0 min min 98% A, 1 min 98% A, 2 min 80% A, 16.5 min 2% A, 22 min 2% A, 22.1 min 98% A, 27 min 98% A
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 2.456 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 242.0241
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: COMMENT Export with Spectra 1.9.12 MsBackendMassbank 1.7.4
MS$DATA_PROCESSING: WHOLE RMassBank 2.3.1

PK$SPLASH: splash10-01p9-9400000000-1a69786aa7f92d4759d8
PK$NUM_PEAK: 13
PK$PEAK: m/z int. rel.int.
  41.9994 0.3 333
  44.9982 0.1 111
  60.978 0.8 888
  61.9887 0.1 111
  72.9908 0.1 111
  72.9974 0.2 222
  86.9777 0.9 999
  88.9863 0.1 111
  94.03 0.1 111
  110.0355 0.2 222
  121.0384 0.1 111
  130.9657 0.6 666
  136.9485 0.4 444
//