Purines are adenine (A) and guanine (G) and are two-carbon nitrogen ring bases.
Differences with pyrimidines.
- A heterocyclic aromatic organic compound composed of a pyrimidine ring fused with imidazole ring
- Comprise adenine and guanine as nucleobases
- Consists of two hydrogen-carbon rings and four nitrogen atoms
- The melting point is 214 °C
- Catabolism results in the produce of uric acid