5-Amino-2,4,6(1H,3H,5H)-pyrimidinetrione

C4H5N3O3CAS 118-78-5143.10 g/mol

ONHONHOH2N
AmideLactamPrimary amineUrea

Properties

Molecular formula
C4H5N3O3
Molar mass
143.10 g/mol
Exact mass
143.0331 Da
Melting point
above 400 °C
logP
-2.32Crippen estimate
Polar surface area
101.3 Ų
H-bond donors / acceptors
3 / 4
Rotatable bonds
0

Hazards

Warning
Irritant (GHS07)

Aggregated from 40 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
118-78-5
SMILES
C1(C(=O)NC(=O)NC1=O)N
InChIKey
PSQZLWHRJMYZHD-UHFFFAOYSA-N
InChI
InChI=1S/C4H5N3O3/c5-1-2(8)6-4(10)7-3(1)9/h1H,5H2,(H2,6,7,8,9,10)
Characterization data

Calculated from the structure, in the form journals print them.

¹H NMR
Predicted ¹H NMR (400 MHz, CDCl₃) δ 8.50 (br s, 2H), 5.07 (s, 1H), 1.20 (br s, 2H).
¹³C NMR
Predicted ¹³C NMR (101 MHz, CDCl₃) δ 170.6, 158.6, 57.1.
[M + H]+
[M + H]+ Calcd for C4H6N3O3 144.0404
[M + Na]+
[M + Na]+ Calcd for C4H5N3NaO3 166.0223
[M − H]−
[M − H]− Calcd for C4H4N3O3 142.0258
Elemental analysis
Anal. Calcd for C4H5N3O3: C, 33.57; H, 3.52; N, 29.36.

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

13 names · show all
  • 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-amino-
  • Barbituric acid, 5-amino-
  • Uramil
  • 2,4,6-Pyrimidinetriol, 5-amino-
  • 5-Aminobarbituric acid
  • Dialuramide
  • 5-Amino-2,4,6-pyrimidinetriol
  • Murexan
  • 5-Amino-2,4,6-trihydroxypyrimidine
  • 5-Amino-6-hydroxy-2,4(1H,3H)-pyrimidinedione
  • Aminobarbituric acid
  • NSC 264287
  • NSC 3971

Reactions

Work with 5-Amino-2,4,6(1H,3H,5H)-pyrimidinetrione

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere