Pyrimidine

Pyrimidines include three of the bases in DNA and RNA.

Pyrimidine

Names
IUPAC name Pyrimidine
Other names 1,3-Diazine, m-Diazine
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

A pyrimidine is an aromatic heterocyclic organic compound, similar to purine.^[1] It has nitrogens at positions 1 and 3 in the ring.^[2][3]

Pyrimidines

The pyrimidine ring system occurs widely in nature.^[4]

• Cytosine (C),
• Thymine (T),
• Uracil (U).
• Thiamine (vitamin B1)

It is also found in many synthetic compounds such as barbiturates and the HIV drug, zidovudine. Uric acid is a pyrimidine derivative.