ACCESSION: MSBNK-MSSJ-MSJ01884
RECORD_TITLE: Ibuprofen; LC-ESI-QQ; MS2; ESI; NEGATIVE; CID; CE 50 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 20230328-4.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$NAME: Ibuprofen
CH$COMPOUND_CLASS: Non-natural product
CH$FORMULA: C₁₃H₁₈O₂
CH$EXACT_MASS: 206.13068
CH$SMILES: CC(C)CC1=CC=C(C=C1)C(C)C(=O)O
CH$IUPAC: InChI=1S/C13H18O2/c1-9(2)8-11-4-6-12(7-5-11)10(3)13(14)15/h4-7,9-10H,8H2,1-3H3,(H,14,15)
CH$LINK: CAS 15687-27-1
CH$LINK: CHEMSPIDER 3544
CH$LINK: INCHIKEY HEFNNWSXXWATRW-UHFFFAOYSA-N
CH$LINK: PUBCHEM CID:3672

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$MASS_SPECTROMETRY: COLLISION_ENERGY 50 V
AC$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$CHROMATOGRAPHY: RETENTION_TIME 9.586 min
AC$CHROMATOGRAPHY: SOLVENT A water with 10 mM ammonium formate
AC$CHROMATOGRAPHY: SOLVENT B methanol

MS$FOCUSED_ION: PRECURSOR_M/Z 205.123403
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-

PK$SPLASH: splash10-08fr-0940000000-6aaa13bb5ab2701d6d53
PK$NUM_PEAK: 2
PK$PEAK: m/z int. rel.int.
160.6 402 999
205.0 205 509
//