Guanine

• Formula: C₅H₅N₅O
• Molecular weight: 151.1261
• IUPAC Standard InChI: InChI=1S/C5H5N5O/c6-5-9-3-2(4(11)10-5)7-1-8-3/h1H,(H4,6,7,8,9,10,11) Copy

  
• IUPAC Standard InChIKey: UYTPUPDQBNUYGX-UHFFFAOYSA-N Copy
• CAS Registry Number: 73-40-5
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: 6H-Purin-6-one, 2-amino-1,7-dihydro-; C.I. Natural White 1; C.I. 75170; Dew Pearl; Guanin; Guanine enol; Hypoxanthine, 2-amino-; Mearlmaid; Natural Pearl Essence; Naturon; Pathocidin; Pearl Essence; Stella Polaris; 2-Amino-6-hydroxypurine; 2-Aminohypoxanthine; 2-Amino-1,7-dihydro-6H-purin-6-one; 6H-Purin-6-one, 2-amino-1,9-dihydro-; Natural White 1
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
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Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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Ion clustering data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = ( • )

By formula: K⁺ + C₅H₅N₅O = (K⁺ • C₅H₅N₅O)

 +  = ( • )

By formula: Na⁺ + C₅H₅N₅O = (Na⁺ • C₅H₅N₅O)

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Cerda and Wesdemiotis, 1996
Cerda, B.A.; Wesdemiotis, C., PAs of Peptides, J. Am. Chem. Soc., 1996, 118, 11884. [all data]

Notes

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• Symbols used in this document:
  

  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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