Science Fair Project Encyclopedia
Uracil
| Uracil | |
|---|---|
| Chemical name | Pyrimidine-2,4(1H,3H)-dione |
| Chemical formula | C4H4N2O2 |
| Molecular mass | 112.09 g/mol |
| Melting point | 335 °C |
| CAS number | 66-22-8 |
| SMILES | O=C(N1)NC=CC1=O |
Uracil is one of the four RNA nucleobases, replacing thymine as found in DNA. Just like thymine, uracil can form a base pair with adenine via two hydrogen bonds, but it lacks the methyl group present in thymine. Uracil, in comparison to thymine, will more readily degenerate into cytosine.
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


