Guanine

CAS Registry Number®

73-40-5
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CAS Name

Guanine

Molecular Formula

C5H5N5O

Molecular Mass

151.13

Cite this Page

Guanine.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=73-40-5 (retrieved 2024-03-19) (CAS RN: 73-40-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    360 °C (decomp)

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

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)

InChIKey

InChIKey=UYTPUPDQBNUYGX-UHFFFAOYSA-N

SMILES

O=C1C2=C(NC(N)=N1)N=CN2

Canonical SMILES

O=C1N=C(N)NC=2N=CNC12

Other Names for this Substance

  • 6H-Purin-6-one, 2-amino-1,9-dihydro-
  • Guanine
  • 6H-Purin-6-one, 2-amino-1,7-dihydro-
  • 2-Amino-1,9-dihydro-6H-purin-6-one
  • C.I. 75170

Deleted or Replaced CAS Registry Numbers

492-33-1, 8039-79-0, 11006-44-3, 15986-36-4, 37432-34-1, 54435-87-9, 69257-39-2, 158475-99-1, 66224-64-4, 929247-29-0, 934585-79-2, 936902-27-1

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