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1,2,4,5-Benzenetetracarboxylic acid
SpectraBase Compound ID 9Z5Q21OORYq
InChI InChI=1S/C10H6O8/c11-7(12)3-1-4(8(13)14)6(10(17)18)2-5(3)9(15)16/h1-2H,(H,11,12)(H,13,14)(H,15,16)(H,17,18)
InChIKey CYIDZMCFTVVTJO-UHFFFAOYSA-N
Mol Weight 254.15 g/mol
Molecular Formula C10H6O8
Exact Mass 254.006267 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

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SpectraBase Spectrum ID 7eLNnLsxASn
Name Pyromellitic acid
CAS Registry Number 89-05-4
Collision Energy 15 eV
Copyright Copyright © 2012-2025 Herbert Oberacher. All Rights Reserved.
Exact Mass 254.006267145 u
Formula C10H6O8
InChI InChI=1S/C10H6O8/c11-7(12)3-1-4(8(13)14)6(10(17)18)2-5(3)9(15)16/h1-2H,(H,11,12)(H,13,14)(H,15,16)(H,17,18)
InChIKey CYIDZMCFTVVTJO-UHFFFAOYSA-N
Instrument Name QStar XL, AB Sciex
Ion Polarity N
Ionization Type ESI-
Molecular Weight 254.150 g/mol
Nominal Mass 254 u
Precursor Ion [M-H]-
Precursor m/z 252.999
SMILES OC(C=1C=C(C(C(O)=O)=CC1C(O)=O)C(O)=O)=O
Selected Ion Charge -1
Source of Spectrum Herbert Oberacher, Institute of Legal Medicine, Innsbruck/Austria
Spectrum Type ms2
Synonyms benzene-1,2,4,5-tetracarboxylic acid
Technique Q-TOF
Wiley ID MSforID_-_131.2