What regulatory guidelines apply to N,1,4,4-Tetramethyl-8-{[4-(4-methyl-1-piperazinyl)phenyl]amino}-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide (CAS: 802539-81-7)?

N,1,4,4-Tetramethyl-8-{[4-(4-methyl-1-piperazinyl)phenyl]amino}-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide (CAS: 802539-81-7) falls under the purview of GHS (Globally Harmonized System of Classification and Labelling of Chemicals) for classification and labelling. It is also regulated by REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) in the EU, requiring manufacturers and importers to register substances above a threshold of 1 tonne per year. FDA and EPA guidelines may apply based on its intended use, such as in pharmaceuticals or environmental applications.