Pyrimidine - definition from

[(Science: biochemistry) A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They are planar and aromatic in character and include several nucleic acid constituents (cytosine, thymine, and uracil, the smaller nucleotide bases) and form the basic structure of the barbiturates. It is the parent compound of the pyrimidine bases of nucleic acid.

MediLexicon pyrimidine - Medical Dictionary Definition for Term 'pyrimidine'

[1. a heterocyclic substance, the formal parent of several “bases” present in nucleic acids (uracil, thymine, cytosine) as well as of the barbiturates.

Molecular Formula: C4H4N2

InChI: InChI=1/C4H4N2/c1-2-5-4-6-3-1/h1-4H

SMILES: c1cncnc1

CAS number 289-95-2

    Pyrimidine base

    PubChem CID 9260
    Beilstein =103894
    CAS 289-95-2 (from NIST)
    ChEBI 16898
    Gmelin 49324
    Kegg C00396
    PubChem ID 10362089
    PubChem ID 3686