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Guanine

CAS: 73-40-5 | C5H5N5O

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 73-40-5
Molecular Formula: C5H5N5O
Molecular Weight: 151.129 g/mol

Names and Synonyms:

Guanine
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
2-Aminohypoxanthine
C.I. Natural White 1
Hypoxanthine, 2-amino-
Pearl Essence
Stella Polaris
2-Amino-6-hydroxypurine
2-Amino-6-hydroxy-1H-purine
Guanine enol
Dew Pearl
Naturon
Guanin
Mearlmaid
Natural Pearl Essence
Natural White 1
Mearlmaid AA
9H-Guanine
2-Amino-6,7-dihydro-1H-purin-6-one
2-Imino-2,3-dihydro-1H-purin-6-ol
2-Amino-6,7-dihydro-3H-purin-6-one
2-Amino-1H-purin-6(7H)-one
2-Amino-9H-purin-6-ol
2-Amino-3,7-dihydropurin-6-one
2-Amino-6,9-dihydro-3H-purin-6-one
2-Amino-1,9-dihydro-purin-6-one
2-Amino-6,9-dihydro-1H-purin-6-one

Identifiers:

SMILES:
N=c1nc(O)c2nc[nH]c2[nH]1
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)

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Category Property Value Source
Physical Properties molecular_mass 151.13 g/mol Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/Guanine Legacy Database
cas-canonical-smile O=C1N=C(N)NC=2N=CNC12 Legacy Database
cas-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) Legacy Database
cas-inchi-key InChIKey=UYTPUPDQBNUYGX-UHFFFAOYSA-N Legacy Database
cas-melting-point 360 °C (decomp) Legacy Database
cas-name Guanine Legacy Database
wikipedia-name Guanine Legacy Database
LogP -0.5289300000000001 RDKit
Molecular Molecular Weight 151.129 g/mol RDKit
Exact Exact Molecular Weight 151.04940978 g/mol RDKit
Heavy Heavy Atom Count 11 count RDKit
Hydrogen Hydrogen Bond Acceptors 4 count RDKit
Hydrogen Bond Donors 4 count RDKit
Rotatable Rotatable Bonds 0 count RDKit
Aromatic Aromatic Ring Count 2 count RDKit
Topological Topological Polar Surface Area 101.44 Ų RDKit
Molar Molar Refractivity 35.7589 RDKit

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