Ácido úrico: Diferenzas entre revisións
Contido eliminado Contido engadido
Sen resumo de edición |
de en:Uric acid |
||
Liña 1:
{{Chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 476995734
| ImageFileL1 = Harnsäure_Ketoform.svg
| ImageFileL1_Ref =
| ImageFileR1 = Uric_acid3D.png
| ImageFileR1_Ref =
| ImageFile2 = Fluorescent uric acid.JPG
| ImageFile2_Ref = Cristais de urato vistos con luz polarizada
| ImageSize2 = 180px
| SystematicName = 7,9-Dihidro-1''H''-purina-2,6,8(3''H'')-triona
| OtherNames = 2,6,8-Trioxipurina; 2,6,8-Trihidroxipurina; 2,6,8-Trioxopurina; 1''H''-Purina-2,6,8-triol
| Section1 = {{Chembox Identifiers
| CASNo = 69-93-2
| CASNo_Ref =
| PubChem = 1175
| PubChem_Ref =
| ChemSpiderID = 1142
| ChemSpiderID_Ref =
| UNII = 268B43MJ25
| UNII_Ref =
| EINECS = 200-720-7
| DrugBank = DB01696
| DrugBank_Ref =
| KEGG = C00366
| KEGG_Ref =
| MeSHName = Uric+Acid
| ChEBI = 27226
| ChEBI_Ref =
| ChEMBL = 792
| ChEMBL_Ref =
| SMILES = OC1Nc2nc(=O)nc2C(=O)N1
| SMILES1 = OC1NC2=NC(=O)N=C2C(=O)N1
| Beilstein = 156158
| 3DMet = B00094
| StdInChI = 1S/C5H4N4O3/c10-3-1-2(7-4(11)6-1)8-5(12)9-3/h5,12H,(H,9,10)(H,7,8,11)
| StdInChI_Ref =
| InChI = 1/C5H4N4O3/c10-3-1-2(7-4(11)6-1)8-5(12)9-3/h(H4,6,7,8,9,10,11,12)/f/h6-9H
| StdInChIKey = DZGSAURIFGGOJK-UHFFFAOYSA-N
| StdInChIKey_Ref =
| InChIKey = LEHOTFFKMJEONL-UHFFFAOYAN
}}
| Section2 = {{Chembox Properties
| C = 5 | H = 4 | N = 4 | O = 3
| ExactMass = 168,028340014 g mol<sup>−1</sup>
| Appearance = Cristais brancos
| Solubility = 60 mg dm<sup>−3</sup> (at 20 °C)
| MeltingPtC = 300
| LogP = -1.107
| pKa = 5,6
| pKb = 8,4
}}
| Section3 = {{Chembox Thermochemistry
| DeltaHf = -619,69–617,93 kJ mol<sup>−1</sup>
| DeltaHc = -1,9212–1,91956 MJ mol<sup>−1</sup>
| Entropy = 173.2 J K<sup>−1</sup> mol<sup>−1</sup>
| HeatCapacity = 166,15 J K<sup>−1</sup> mol<sup>−1</sup> (at 24.0 °C)
}}
}}
[[Ficheiro:Harnsäure_Ketoform.svg|miniatura|Ácido úrico na forma tautomérica ceto.]]
[[Ficheiro:Harnsäure Enolform.svg|miniatura|Ácido úrico na forma tautomérica [[enol]].]]
| |||