Back to Search
5-Cyanouracil
CAS: 4425-56-3 | C5H3N3O2
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
4425-56-3
Molecular Formula:
C5H3N3O2
Molecular Weight:
137.09799999999998 g/mol
Names and Synonyms:
5-Cyanouracil
NSC 44192
NSC 667760
Uracil-5-carbonitrile
2,4-Dioxo-1H-pyrimidine-5-carbonitrile
2,4-Dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile
2,4-Dihydroxypyrimidine-5-carbonitrile
2-Hydroxy-4-oxo-1,4-dihydropyrimidine-5-carbonitrile
5-Pyrimidinecarbonitrile, 1,2,3,4-tetrahydro-2,4-dioxo-
1,2,3,4-Tetrahydro-2,4-dioxo-5-pyrimidinecarbonitrile
5-Cyanouracil
2,4(1H,3H)-Pyrimidinedione, 5-cyano-
NSC 12931
Identifiers:
SMILES:
N#Cc1c[nH]c(=O)nc1O
InChI:
InChI=1S/C5H3N3O2/c6-1-3-2-7-5(10)8-4(3)9/h2H,(H2,7,8,9,10)
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.
All Properties
Comprehensive physical and chemical properties
Physical Properties
| Property | Value | Source |
|---|---|---|
| molecular_mass | 137.10 g/mol | Legacy Database |
| cas-canonical-smile | N#CC1=CNC(=O)NC1=O None | Legacy Database |
| cas-inchi | InChI=1S/C5H3N3O2/c6-1-3-2-7-5(10)8-4(3)9/h2H,(H2,7,8,9,10) None | Legacy Database |
| cas-inchi-key | InChIKey=HAUXRJCZDHHADG-UHFFFAOYSA-N None | Legacy Database |
| cas-melting-point | 295 °C (decomp) None | Legacy Database |
| cas-name | 5-Cyanouracil None | Legacy Database |
| LogP | -0.6528200000000001 | RDKit |
Molecular
| Property | Value | Source |
|---|---|---|
| Molecular Weight | 137.09799999999998 g/mol | RDKit |
Exact
| Property | Value | Source |
|---|---|---|
| Exact Molecular Weight | 137.022526336 g/mol | RDKit |
Heavy
| Property | Value | Source |
|---|---|---|
| Heavy Atom Count | 10 count | RDKit |
Hydrogen
| Property | Value | Source |
|---|---|---|
| Hydrogen Bond Acceptors | 4 count | RDKit |
| Hydrogen Bond Donors | 2 count | RDKit |
Rotatable
| Property | Value | Source |
|---|---|---|
| Rotatable Bonds | 0 count | RDKit |
Aromatic
| Property | Value | Source |
|---|---|---|
| Aromatic Ring Count | 1 count | RDKit |
Topological
| Property | Value | Source |
|---|---|---|
| Topological Polar Surface Area | 89.77 Ų | RDKit |
Molar
| Property | Value | Source |
|---|---|---|
| Molar Refractivity | 31.237499999999994 | RDKit |
