4-[(5-Bromo-4,6-dichloro-2-pyrimidinyl)amino]benzonitrile-13C3

4-[(5-Bromo-4,6-dichloro-2-pyrimidinyl)amino]benzonitrile-13C3 is a labeled analog of the active ingredient in the herbicide, pyriminobac-methyl. It is used as a reference standard in analytical chemistry and biochemistry research. This compound is a highly selective herbicide that is used to control weeds in a variety of crops, including corn, soybeans, and wheat. It acts by inhibiting the growth of weeds by blocking the biosynthesis of amino acids, which are essential for plant growth. The chemical formula of this compound is C13H5BrCl2N4 and it has a molecular weight of 370.02 g/mol. It is a crystalline solid that is soluble in organic solvents such as methanol, ethanol, and acetone. The labeled compound, 4-[(5-Bromo-4,6-dichloro-2-pyrimidinyl)amino]benzonitrile-13C3, contains three carbon-13 isotopes, which are used for isotopic labeling studies. In addition to its use as a reference standard, 4-[(5-Bromo-4,6-dichloro-2-pyrimidinyl)amino]benzonitrile-13C3 is also used for analytical purposes such as mass spectrometry and nuclear magnetic resonance spectroscopy. Its unique isotopic labeling pattern allows researchers to track the movement and metabolism of the herbicide in living organisms and the environment. Overall, this compound is an important tool for understanding the mechanisms of herbicide action and the fate of these chemicals in the environment.