ACCESSION: MSBNK-MSSJ-MSJ01797
RECORD_TITLE: Acetaminophen; LC-ESI-QQ; MS2; ESI; NEGATIVE; CID; CE 20 V; [M-H]-
DATE: 2023.03.28
AUTHORS: Koji Yamaguchi, Department of Legal Medicine, Nippon Medical School, 1715 Kamagari, Inzai-shi, Chiba 270-1694, Japan.
LICENSE: CC BY
COPYRIGHT: Koji Yamaguchi, Department of Legal Medicine, Nippon Medical School, 1715 Kamagari, Inzai-shi, Chiba 270-1694, Japan.
COMMENT: Original data are in the 20230328-2.xlsx file.
COMMENT: This record was created by the financial support of MEXT/JSPS KAKENHI Grant Number 23HP8017 to the Mass Spectrometry Society of Japan.

CH$NAME: Acetaminophen
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C₈H₉NO₂
CH$EXACT_MASS: 151.063325
CH$SMILES: CC(=O)NC1=CC=C(C=C1)O
CH$IUPAC: InChI=1S/C8H9NO2/c1-6(10)9-7-2-4-8(11)5-3-7/h2-5,11H,1H3,(H,9,10)
CH$LINK: CAS 103-90-2
CH$LINK: CHEMSPIDER 1906
CH$LINK: INCHIKEY RZVAJINKPMORJF-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:1983

AC$INSTRUMENT: LCMS-8040 coupled to Nexera XR (Shimadzu, Kyoto, Japan).
AC$INSTRUMENT_TYPE: LC-ESI-QQ
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 20 V
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME InertSustain C18 ID 2.1 microm, 2.1 x 100 mm (GL Science, Tokyo, Japan).
AC$CHROMATOGRAPHY: FLOW_GRADIENT 90/10 at 0 min, linear gradient from 90/10 to 2/98 at 0-9 min, 2/98 at 9-12 min, linear gradient from 2/98 to 90/10 at 12-12.1 min, 90/10 at 12.1-15 min.
AC$CHROMATOGRAPHY: FLOW_RATE 200 microl/min
AC$CHROMATOGRAPHY: RETENTION_TIME 4.203 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: PRECURSOR_M/Z 150.056048
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-0zfr-0900000000-96835867a1407e00c5b8
PK$NUM_PEAK: 4
PK$PEAK: m/z int. rel.int.
  107.1 33840 876
  108.0 2659 69
  117.9 688 18
  150.0 38606 999
//