What regulatory guidelines apply to (2R,3R)-6,8-Dihydroxy-3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-9-(4-hydroxyphenyl)-2,3-dihydro-7H-[1,4]dioxino[2,3-h]chromen-7-one (CAS: 86831-53-0)?

The compound is subject to the REACH regulations in the EU, which require registration for substances above one tonne per year. It also falls under the purview of the GHS (Globally Harmonized System of Classification and Labelling of Chemicals) for classification and labeling. In the US, the FDA may regulate its use in pharmaceutical applications, and the EPA may oversee environmental impacts. Local regulations should also be considered.