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Cytosine
SpectraBase Compound ID 9vcXTwDkwAJ
InChI InChI=1S/2C4H5N3O/c2*5-3-1-2-6-4(8)7-3/h2*1-2H,(H3,5,6,7,8)
InChIKey HQULDBYHEHYKRS-UHFFFAOYSA-N
Mol Weight 111.1 g/mol
Molecular Formula C4H5N3O
Exact Mass 111.043262 g/mol
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Source of Sample Tokyo Kasei Kogyo Company, Ltd., Tokyo, Japan
Solvent Dimethyl sulfoxide-d6; Reference=TMS Spectrometer= Bruker AC-300
  • PYRIMIDONE, 4-AMINO-2(1H)-,

This compound is available in the following databases:

KnowItAll IR Spectral Library

Author: Wiley

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KnowItAll Raman Spectral Library

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Wiley's KnowItAll Raman Spectral Library offers access to the world's largest collection of high-quality Raman spectra, including the renowned Sadtler databases. Learn more.

KnowItAll UV-Vis Spectral Library

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Wiley's KnowItAll UV-Vis Spectral Library offers access to the world's largest collection of high-quality UV-Vis Sadtler spectra. Learn more.

Sigma-Aldrich Library of Raman Spectra

Author: Wiley/Sigma-Aldrich

Wiley, on behalf of Merck KGaA Darmstadt, Germany, releases the Sigma-Aldrich Library of Raman Spectra, featuring over 6,480 high-quality Raman spectra. Learn more.

Sigma-Aldrich Library of ATR-IR Spectra

Author: Sigma Aldrich

The Sigma-Aldrich Library of ATR-IR Spectra is a comprehensive collection of ATR-IR spectra sourced from the laboratories of Sigma-Aldrich by Merck KGaA Darmstadt, Germany. Learn more.

Sigma-Aldrich Library of FT-IR Spectra

Author: Sigma Aldrich

The Sigma-Aldrich Library of FT-IR Spectra is a comprehensive collection of FT-IR spectra sourced from the laboratories of Sigma-Aldrich by Merck KGaA Darmstadt, Germany. Learn more.

Sigma Aldrich NMR Library

Author: Sigma Aldrich

The Sigma-Aldrich Library of NMR Spectra is a comprehensive collection of NMR spectra for organic compounds sourced from the laboratories of Sigma-Aldrich by Merck KGaA Darmstadt, Germany. Learn more.

KnowItAll NMR Spectral Library

Author: Wiley

The KnowItAll NMR Spectral Library offers a comprehensive collection of NMR reference spectra, including NMR, CNMR, and XNMR, and covers a wide range of compounds including organics, polymers, monomers, metabolites, and more. Learn more.

Unknown Identification

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