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Letrozole
SpectraBase Compound ID EMS4ybbwla9
InChI InChI=1S/C17H11N5/c18-9-13-1-5-15(6-2-13)17(22-12-20-11-21-22)16-7-3-14(10-19)4-8-16/h1-8,11-12,17H
InChIKey HPJKCIUCZWXJDR-UHFFFAOYSA-N
Mol Weight 285.31 g/mol
Molecular Formula C17H11N5
Exact Mass 285.101445 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

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SpectraBase Spectrum ID 7WlUU2PpQY
Name Letrozole
CAS Registry Number 112809-51-5
Collision Energy 10 eV
Copyright Copyright © 2012-2025 Herbert Oberacher. All Rights Reserved.
Exact Mass 285.101445374 u
Formula C17H11N5
InChI InChI=1S/C17H11N5/c18-9-13-1-5-15(6-2-13)17(22-12-20-11-21-22)16-7-3-14(10-19)4-8-16/h1-8,11-12,17H
InChIKey HPJKCIUCZWXJDR-UHFFFAOYSA-N
Instrument Name QStar XL, AB Sciex
Ion Polarity P
Ionization Type ESI+
Molecular Weight 285.310 g/mol
Nominal Mass 285 u
Precursor Ion [M+H]+
Precursor m/z 286.109
SMILES C1=NN(C=N1)C(C1=CC=C(C=C1)C#N)C1=CC=C(C=C1)C#N
Selected Ion Charge 1
Source of Spectrum Herbert Oberacher, Institute of Legal Medicine, Innsbruck/Austria
Spectrum Type ms2
Synonyms 4-[(4-cyanophenyl)-(1,2,4-triazol-1-yl)methyl]benzonitrile
Technique Q-TOF
Wiley ID MSforID_+_473.1