ACCESSION: MSBNK-BAFG-CSL2311091979
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$SPLASH: splash10-03ki-9700000000-b32ae0557ed95a513860
PK$NUM_PEAK: 13
PK$PEAK: m/z int. rel.int.
  42.0032 0.1 142
  60.9757 0.7 999
  67.0311 0.2 285
  72.9946 0.1 142
  86.9781 0.2 285
  87.0009 0.1 142
  88.9863 0.1 142
  94.0285 0.1 142
  110.0376 0.2 285
  125.0243 0.1 142
  130.9698 0.3 428
  136.9534 0.2 285
  174.9581 0.5 713
//