Timina

C₅H₆N₂O₂

IUPAC: 5-Methylpyrimidine-2,4(1H,3H)-dione

CAS: 65-71-4

Descripción general

Thymine is a pyrimidine nucleobase found exclusively in DNA, where it pairs with adenine through two hydrogen bonds. It is distinguished from uracil (found in RNA) by having a methyl group at the 5 position. This methylation helps DNA repair enzymes distinguish DNA from RNA.

Composición

Elemento Símbolo Átomos Masa atómica
Hidrógeno H 6 1,0080
Carbono C 5 12,0110
Nitrógeno N 2 14,0070
Oxígeno O 2 15,9990

Composición elemental

Usos

  • DNA component
  • Genetic research
  • Molecular biology
  • UV mutation studies

Datos curiosos

  • UV light can cause adjacent thymine bases to fuse into thymine dimers, a primary cause of skin cancer

Seguridad

  • ⚠ Low toxicity

Estructura

SMILES

CC1=CNC(=O)NC1=O

Propiedades

Tipo
organic
Estado
solid
Masa molar
126,12 g/mol
Densidad
1,2230 g/cm³
Punto de fusión
316,0 °C
Punto de ebullición
335,0 °C
Solubilidad
4.0 g/L at 25°C

Descriptores moleculares

Masa exacta
126,0429
XLogP
-0,6
TPSA
58,2 Ų
Donadores de enlace de hidrógeno
2
Aceptores de enlace de hidrógeno
2
Enlaces rotables
0
Átomos pesados
9
Complejidad
195,0

También conocido como

5-Methyluracil

Frequently Asked Questions

What is Timina?
Timina (C₅H₆N₂O₂) is a organic compound with the IUPAC name 5-Methylpyrimidine-2,4(1H,3H)-dione.
What is the molecular weight of Timina?
Timina has a molar mass of 126.115 g/mol.
What state is Timina at room temperature?
Timina is a solid at room temperature.
Is Timina organic or inorganic?
Timina is classified as an organic compound.
What elements make up Timina?
Timina (C₅H₆N₂O₂) is composed of Hidrógeno (H), Carbono (C), Nitrógeno (N), Oxígeno (O).