What regulatory guidelines apply to 4-{[(2,5-Dioxo-1-pyrrolidinyl)oxy]carbonyl}-2-(2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-pyrido[3,2,1-ij]quinolizino[1',9':6,7,8]chromeno[2,3-f]quinolin-4-ium-9-yl)benzoate (CAS: 216699-36-4)?

This compound falls under the scope of the REACH regulation in the European Union, requiring manufacturers and importers to register it if the annual tonnage exceeds one ton. Additionally, it may be subject to classification and labeling under the GHS system, which includes categories such as flammable solids and skin corrosion/irritation. In the U.S., the EPA and FDA may also require specific registration and handling guidelines due to its chemical structure and potential applications.