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Cytosine
SpectraBase Compound ID HLiTPeTNca4
InChI InChI=1S/C4H5N3O/c5-3-1-2-6-4(8)7-3/h1-2H,(H3,5,6,7,8)
InChIKey OPTASPLRGRRNAP-UHFFFAOYSA-N
Mol Weight 111.1 g/mol
Molecular Formula C4H5N3O
Exact Mass 111.043262 g/mol
Copyright Copyright © 1991-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Tokyo Kasei Kogyo Company, Ltd., Tokyo, Japan
Solvent DMSO-d6; Reference=TMS; Temperature 297K
Copyright Database Compilation Copyright © 2021-2024 John Wiley & Sons, Inc. All Rights Reserved.
Copyright Copyright © 2009-2024 John Wiley & Sons, Inc. All Rights Reserved.
Solvent D2O/DCl
Copyright Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 142018
Solvent DMSO-d6
Copyright Database Compilation Copyright © 2021-2024 John Wiley & Sons, Inc. All Rights Reserved.
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich Chemical Company, Inc., Milwaukee, Wisconsin
Solvent Deuterium oxide/Deuterium chloride; Reference=Dioxane Spectrometer= Varian CFT-20
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Solvent Dimethyl sulfoxide-d6
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent D2O deuterium oxide
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent D2O
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent D2O
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent D2O
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Solvent DMSO-D6
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent D2O
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Copyright Copyright © 2016-2024 W. Robien, Inst. of Org. Chem., Univ. of Vienna. All Rights Reserved.
Solvent DMSO-D6
Copyright Copyright © 2021-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2021 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Sigma-Aldrich Co. LLC.
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 142018
Solvent DMSO-d6
Copyright Copyright © 2002-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Source of Spectrum Chemical Concepts, A Wiley Division, Weinheim, Germany
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum HE-1982-0-0
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum W5-1989-25326-0
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum PG-1982-99-0
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum W-16-433-1
Copyright Copyright © 2020-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Spectrum JZ-1992-617-0
Copyright Copyright © 2014-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Spectrochem Pvt. Ltd., India
Source of Spectrum Bio-Rad Laboratories
Catalog Number 103228
Copyright Copyright © 2017-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2017-2024 John Wiley & Sons, Inc. All Rights Reserved.
Catalog Number 142018
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich Chemical Company, Inc., Milwaukee, Wisconsin
Technique KBr WAFER
Copyright Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Spectrochem Pvt. Ltd.
Source of Spectrum Bio-Rad Laboratories, Inc.
Catalog Number 103228
Technique KBr1
Copyright Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Source of Spectrum Sigma-Aldrich Co. LLC.
Catalog Number 142018
Technique Mull
Copyright Copyright © 2014-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Spectrochem Pvt. Ltd.
Source of Spectrum Bio-Rad Laboratories, Inc.
Catalog Number 103228
Copyright Copyright © 2018-2024 Sigma-Aldrich Co. LLC. - Database Compilation Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Aldrich
Catalog Number 142018
Copyright Copyright © 2008-2024 John Wiley & Sons, Inc. All Rights Reserved.
Solvent Methanol
  • 4-Aminopyrimidin-2-(1H)-one
  • 4-Amino-2-hydroxypyrimidine, 4-Aminopyrimidin-2-(1H)-one
  • 4-Amino-2-hydroxypyrimidine
  • OPTASPLRGRRNAP-UHFFFAOYSA-N
  • PYRIMIDONE, 4-AMINO-2(1H)-,
  • 4-AMINO-2-OXO-1,2-DIHYDROPYRIMIDINE
  • 4-AMINO-2(1H)-PYRIMIDONE
  • 4-AMINO-1,2-DIHYDRO-1,3-DIAZIN-2-ONE
  • Cytosin
  • 2(1H)-Pyrimidinone, 4-amino-
Title Journal or Book Year
Isotopic Exchange of Hydrogen at C-5 in Pyrimidine Derivatives: Tautomers with an sp3-Hybridised C-5 Carbon Atom European Journal of Organic Chemistry 2009
3-Ureidoacrylonitriles: novel products from the photoisomerization of cytosine, 5-methylcytosine, and related compounds Journal of the American Chemical Society 1990

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