For citations & permissions, please see: Citations & Permissions - Wiley Science Solutions*

*Links on SpectraBase are not permalinks.
Sildenafil-M (nor-HO-piperazine) MS2
SpectraBase Compound ID 4wF8L7bPFIc
InChI InChI=1S/C21H28N6O5S/c1-4-6-15-18-19(26(3)25-15)21(29)24-20(23-18)14-11-13(7-8-16(14)32-5-2)33(30,31)27-10-9-22-17(28)12-27/h7-8,11,17,22,28H,4-6,9-10,12H2,1-3H3,(H,23,24,29)
InChIKey WDKKVIGLJAHWAC-UHFFFAOYSA-N
Mol Weight 476.55 g/mol
Molecular Formula C21H28N6O5S
Exact Mass 476.184189 g/mol

Mass Spectrum (LC)

Mass Spectrum (LC)

View the Full Spectrum for FREE!

The full spectrum can only be viewed using a FREE account.

SpectraBase Spectrum ID A5cRX3ynEWV
Name Sildenafil-M (nor-HO-piperazine)
Collision Gas N2
Comments FTMS + p ESI d Full ms2 [email protected] [50.00-505.00]
Copyright Copyright © 2018-2025 Wiley-VCH GmbH. All Rights Reserved.
Formula C21H28N6O5S
InChI InChI=1S/C21H28N6O5S/c1-4-6-15-18-19(26(3)25-15)21(29)24-20(23-18)14-11-13(7-8-16(14)32-5-2)33(30,31)27-10-9-22-17(28)12-27/h7-8,11,17,22,28H,4-6,9-10,12H2,1-3H3,(H,23,24,29)
InChIKey WDKKVIGLJAHWAC-UHFFFAOYSA-N
Inlet Type UHPLC
Instrument Name Thermo Fisher Q Exactive Orbitrap
Ion Polarity P
Ionization Type HESI
Precursor Ion [M+H]+
SMILES N1C(C=2N(N=C(C2N=C1C1=C(C=CC(S(N2CC(NCC2)O)(=O)=O)=C1)OCC)CCC)C)=O
Sample Comments The MMHW Reference Handbook is attached to Record #1, under the Attachments tab. Refer to this reference for the sample preparation procedure and abbreviations, as well as other relevant information pertaining to this database.
Selected Ion Charge 1
Source of Spectrum Maurer/Meyer/Helfer/Weber c/o Saarland University Homburg/Saar
Spectrum Type ms2
Technique HCD