2-(Methylthio)-1H-pyrimidin-4-one

2-(Methylthio)-1H-pyrimidin-4-one, also known as 2-methylthiouracil, is an aryl sulfide compound commonly used as a research reagent in pyrimidine chemistry. It features a heterocyclic aromatic ring and is characterized by a methylthio substituent on the pyrimidine core.