Product Name6-Aminouracil
CAS873-83-6
Molecular FormulaC4H5N3O2
Molecular Weight127.1
InChIInChI=1S/C4H5N3O2/c5-2-1-3(8)7-4(9)6-2/h1H,(H4,5,6,7,8,9)
InChIKey LNDZXOWGUAIUBG-UHFFFAOYSA-N
SmilesC1(=O)NC(N)=CC(=O)N1

Mass
MS-NW-5026 6-aminouracil C4H5N3O2 (Mass of molecular ion: 127)
Source Temperature: 190 °C Sample Temperature: 260 °C Direct, 75 eV
12.0 1.4
13.0 1.1
14.0 2.0
16.0 1.6
17.0 2.9
18.0 10.2
26.0 5.1
27.0 31.1
28.0 42.9
29.0 5.8
38.0 4.6
39.0 9.0
40.0 14.2
41.0 20.4
42.0 22.2
43.0 44.4
44.0 6.7
53.0 1.7
55.0 5.1
56.0 4.3
66.0 7.6
67.0 8.2
68.0 36.7
69.0 2.5
70.0 1.5
71.0 1.0
84.0 24.8
85.0 5.3
99.0 12.6
100.0 2.0
111.0 1.3
127.0 100.0
128.0 6.0
400 MHz in DMSO-d6

| 1H NMR | 399.65 MHz |
| C4 H5 N3 O2 | 0.038 g : 0.5 ml DMSO-d6 |
| 6-aminouracil | |
![]() |
Assign. Shift(ppm) |
Hz ppm Int.
3962.25 9.915 33 2460.94 6.158 351 1769.10 4.427 1000
in DMSO-d6

KBr disc

nujol mull


6-Aminouracil (873-83-6) Raman Atlas of Related Products