What regulatory guidelines apply to 2-(2-Butyl-4-methyl-6-oxo-1-{[2'-(1-trityl-1H-tetrazol-5-yl)-4-biphenylyl]methyl}-1,6-dihydro-5-pyrimidinyl)-N,N-dimethylacetamide (CAS: 503155-67-7)?

This compound falls under the scope of the REACH regulation in the European Union, which requires registration for substances above one tonne per year. In the United States, it would be regulated under the Toxic Substances Control Act (TSCA) by the EPA. Additionally, the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) will apply for hazard communication purposes, including the provision of safety data sheets (SDS) and appropriate hazard pictograms and signal words.