Thymine

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Thymine
Chemical name 5-Methylpyrimidine-2,4(1H,3H)-dione
Chemical formula C5H6N2O2
Molecular mass 126.11 g/mol
Melting point 316 - 317 C
CAS number 65-71-4
SMILES CC1=CNC(NC1=O)=O
Missing image
Thymine_chemical_structure.png
Chemical structure of thymine

Thymine, also known as 5-methyluracil, is a pyrimidine nucleobase. It is found in the nucleic acid DNA. In RNA thymine is replaced with uracil. Thymine can base pair with adenine.

Thymine combined with deoxyribose creates the nucleoside thymidine. Thymidine can be phosphorylated with one, two or three phosphoric acid groups, creating respectively TMP, TDP or TTP (thymidine mono- di- or triphosphate).

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