Cambridge Encyclopedia :: Cambridge Encyclopedia Vol. 75

thymine

C₅H₆N₂O₂, 5-methyluracil. One of the pyrimidine bases in DNA, usually paired with adenine.

Thymine
Chemical name	5-Methylpyrimidine-2,4(1H,3H)-dione
Chemical formula	C5H6N2O2
Molecular mass	126.11334 g/mol
Melting point	316 - 317 °C
CAS number	65-71-4
SMILES	CC1=CNC(NC1=O)=O

Thymine, also known as 5-methyluracil, is a pyrimidine nucleobase.

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