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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2006-05-22 15:12:12 UTC
Update Date2023-02-21 17:16:28 UTC
HMDB IDHMDB0002818
Secondary Accession Numbers
  • HMDB02818
Metabolite Identification
Common NameAlloxan
DescriptionAlloxan or mesoxalylurea is an organic compound based on a pyrimidine heterocyclic skeleton. This compound has a high affinity for water and therefore exists as the monohydrate. The compound was discovered by Justus von Liebig and Friedrich Wohler following the discovery of urea in 1828 and is one of the oldest named organic compounds that exist. The name is derived from allantoin, a product of uric acid excreted by the fetus into the allantois and oxaluric acid derived from oxalic acid and urea, found in urine. The original recipe for Alloxan was by oxidation of uric acid by nitric acid. Alloxan is a strong oxidizing agent and it forms a hemiacetal with its reduced reaction product dialuric acid (in which a carbonyl group is reduced to a hydroxyl group) which is called alloxantin. -- Wikipedia ; Alloxane is a raw material for the production of the purple dye Murexide. Carl Wilhelm Scheele discovered the dye in 1776. Murexide is the product of the complex in-situ multistep reaction of alloxantin and gaseous ammonia. Murexide results from the condensation of the unisolated intermdiate uramil with alloxan, liberated during the course of the reaction. Scheele sourced uric acid from human calculi (such as kidney stones) and called the compound lithic acid. William Prout investigated the compound in 1818 and he used boa constrictor excrement with up to 90% ammonium acid urate. Liebig and Wohler in the nineteenth century coined the name murexide for the dye after the Trunculus Murex which is the source of the Tyrian purple of antiquity. Primo Levi in his world famous novel The Periodic Table in chapter Nitrogen considers pythons as a source for alloxane on behalf of a lipstick producer but he is turned down by the director of the Turin zoo because the zoo already has lucrative contracts with cosmetics companies (his attempts with chicken dung end in misery). -- Wikipedia .
Structure
Thumb
Synonyms
Chemical FormulaC4H2N2O4
Average Molecular Weight142.0697
Monoisotopic Molecular Weight142.001456562
IUPAC Name1,3-diazinane-2,4,5,6-tetrone
Traditional Namealloxan
CAS Registry Number50-71-5
SMILES
O=C1NC(=O)C(=O)C(=O)N1
InChI Identifier
InChI=1S/C4H2N2O4/c7-1-2(8)5-4(10)6-3(1)9/h(H2,5,6,8,9,10)
InChI KeyHIMXGTXNXJYFGB-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as pyrimidones. Pyrimidones are compounds that contain a pyrimidine ring, which bears a ketone. Pyrimidine is a 6-membered ring consisting of four carbon atoms and two nitrogen centers at the 1- and 3- ring positions.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassDiazines
Sub ClassPyrimidines and pyrimidine derivatives
Direct ParentPyrimidones
Alternative Parents
Substituents
  • Pyrimidone
  • Hydropyrimidine
  • 2,5-dihydropyrimidine
  • Ketone
  • Carbonic acid derivative
  • Cyclic ketone
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Azacycle
  • Organic nitrogen compound
  • Organopnictogen compound
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point256 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogP-1.84BIOBYTE (1995)
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Cytoplasm (predicted from logP)
Biospecimen LocationsNot Available
Tissue Locations
  • Epidermis
  • Pancreas
  • Platelet
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB023068
KNApSAcK IDC00019778
Chemspider ID5577
KEGG Compound IDC07599
BioCyc IDCPD-3684
BiGG IDNot Available
Wikipedia LinkAlloxan
METLIN ID252
PubChem Compound5781
PDB IDNot Available
ChEBI ID76451
Food Biomarker OntologyNot Available
VMH IDCE0074
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References