Pyrimidine bases  purine.gif (1323 bytes)

Cytosine (C)
Download chime

 

 2-hydroxy, 4 Amino-pyrimidyne
Formula: C4H5N30
Molecular Weight: 111.1 g/mol
cytosine.gif (1427 bytes)

Thymine(T)
Download chime

 

 2,4-dihydroxy-5-methyl pyrimidine
Formula: C5H6N2O2
Molecular Weight: 126.1 g/mol
adenine.gif (1306 bytes)

Uracil (U)

 Replace thymine in RNA

Download chime

 2,4-dihydroxy pyrimidine
Formula: C4H4N2O2
Molecular Weight: 112.1 g/mol
adenine.gif (1306 bytes)
The University of Southern California does not screen or control the content on this website and thus does not guarantee the accuracy, integrity, or quality of such content. All content on this website is provided by and is the sole responsibility of the person from which such content originated, and such content does not necessarily reflect the opinions of the University administration or the Board of Trustees