Pteridine

Pteridine
	Skeletal formula of pteridine
C=black, H=white, N=blue	C=black, H=white, N=blue
Names
	Preferred IUPAC name Pteridine
Identifiers
CAS Number	91-18-9 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:27601 ;
ChemSpider	1014 ;
KEGG	C07581 ;
PubChem CID	1043;
UNII	6EZF26XQ81 ;
CompTox Dashboard (EPA)	DTXSID60238347 ;
	InChI InChI=1S/C6H4N4/c1-2-9-6-5(8-1)3-7-4-10-6/h1-4H Key: CPNGPNLZQNNVQM-UHFFFAOYSA-N ; InChI=1/C6H4N4/c1-2-9-6-5(8-1)3-7-4-10-6/h1-4H Key: CPNGPNLZQNNVQM-UHFFFAOYAU;
	SMILES C1=CN=C2C(=N1)C=NC=N2;
Properties
Chemical formula	C6H4N4
Molar mass	132.126 g·mol−1
Melting point	139.5 °C (283.1 °F; 412.6 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

A pteridine is a bicyclic heterocyclic system with two nitrogen atoms at positions 1 and 4 in ring A, and two nitrogen atoms at positions 1 and 3 in ring B. Pteridines constitute a large group of heterocyclic compounds containing a wide variety of substituents on this parent structure. Pterins and flavins are classes of substituted pteridines that have diverse biological roles.^[2]

Thumb — Synthesis of pteridine from 4,5-diaminopyrimidine and glyoxal

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Pteridine

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