Purine

Names
IUPAC name 9H-purine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Purines include two of the bases in DNA and RNA.

A purine is a heterocyclic aromatic organic compound. It is a pyrimidine ring fused to an imidazole ring. Purines are the most widely occurring nitrogen-containing heterocycles in nature.^[1]

Purines and pyrimidines are the two groups of nitrogenous bases, and the two groups of nucleotide bases.

• Adenine
• Guanine
• Hypoxanthine
• Xanthine

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