ACCESSION: MSBNK-HBM4EU-HB003338
RECORD_TITLE: Terrecyclic Acid; LC-ESI-ITFT; MS2; CE: 50%; R=7500; [M-H]-
DATE: 2021.10.11
AUTHORS: Laurent Debrauwer, Emilien L. Jamin, Research Centre in Food Toxicology (TOXALIM), INRAE, MetaboHUB-Metatoul platform, Toulouse, France
LICENSE: CC0
COPYRIGHT: Copyright (c) 2021 by Research Centre in Food Toxicology (TOXALIM), INRAE, MetaboHUB-Metatoul platform, Toulouse, France
COMMENT: HBM4EU - science and policy for a healthy future (https://www.hbm4eu.eu)
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: INTERNAL_ID 103

CH$NAME: Terrecyclic Acid
CH$NAME: 11,11-dimethyl-2-methylidene-3-oxotricyclo[4.3.2.01,5]undecane-9-carboxylic acid
CH$COMPOUND_CLASS: N/A; Environmental Standard
CH$FORMULA: C₁₅H₂₀O₃
CH$EXACT_MASS: 248.1412
CH$SMILES: CC1(CC23C(CCC1C2CC(=O)C3=C)C(=O)O)C
CH$IUPAC: InChI=1S/C15H20O3/c1-8-12(16)6-11-9-4-5-10(13(17)18)15(8,11)7-14(9,2)3/h9-11H,1,4-7H2,2-3H3,(H,17,18)
CH$LINK: CAS 83058-94-0
CH$LINK: PUBCHEM CID:5148579
CH$LINK: INCHIKEY SMAWCSOVJJHIOI-UHFFFAOYSA-N
CH$LINK: CHEMSPIDER 4321994

AC$INSTRUMENT: LTQ Orbitrap XL Thermo Scientific
AC$INSTRUMENT_TYPE: LC-ESI-ITFT
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE HCD
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 50 % (nominal)
AC$MASS_SPECTROMETRY: RESOLUTION 7500
AC$CHROMATOGRAPHY: COLUMN_NAME Hypersil GOLD C18 1.9 um 100 x 2.1 mm Thermo Fisher Scientific
AC$CHROMATOGRAPHY: FLOW_GRADIENT 100/0 at 0 min, 0/100 at 30 min, 0/100 at 35 min
AC$CHROMATOGRAPHY: FLOW_RATE 300 uL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 20.535 min
AC$CHROMATOGRAPHY: SOLVENT A water with 5% methanol and 0.1% acetic acid
AC$CHROMATOGRAPHY: SOLVENT B methanol with 0.1% acetic acid

MS$FOCUSED_ION: BASE_PEAK 247.1341
MS$FOCUSED_ION: PRECURSOR_M/Z 247.134
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$FOCUSED_ION: PRECURSOR_INTENSITY 10269263.89673
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 3.2.0

PK$SPLASH: splash10-0002-0090000000-df3589805861b46d5145
PK$ANNOTATION: m/z tentative_formula formula_count mass error(ppm)
  147.0813 C10H11O- 1 147.0815 -1.44
  203.1442 C14H19O- 1 203.1441 0.2
  247.1339 C15H19O3- 1 247.134 -0.42
PK$NUM_PEAK: 3
PK$PEAK: m/z int. rel.int.
  147.0813 4632.1 1
  203.1442 125887.7 27
  247.1339 4571087 999
//