Thymine
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Thymine | |
---|---|
IUPAC name | 5-Methylpyrimidine-2,4(1H,3H)-dione |
Identifiers | |
CAS number | |
MeSH | |
SMILES | CC1=CNC(=O)NC1=O |
Properties | |
Molecular formula | C5H6N2O2 |
Molar mass | 126.11334 g/mol |
Melting point |
316 - 317 °C |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
Thymine, also known as 5-methyluracil, is found in the nucleic acid DNA.
In RNA thymine is replaced with uracil in most cases. In DNA, thymine(T) binds to adenine (A) via two hydrogen bonds to assist in stabilizing the nucleic acid structures.