Topic summary
Pteridine

Pteridine
3D model (JSmol)
PubChemCID
CompTox Dashboard(EPA)
- InChI=1S/C6H4N4/c1-2-9-6-5(8-1)3-7-4-10-6/h1-4HKey: CPNGPNLZQNNVQM-UHFFFAOYSA-N
- InChI=1/C6H4N4/c1-2-9-6-5(8-1)3-7-4-10-6/h1-4HKey: CPNGPNLZQNNVQM-UHFFFAOYAU
- C1=CN=C2C(=N1)C=NC=N2
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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.