What regulatory guidelines apply to (2,4-Diaminopteridin-6-yl)methanol hydrochloride hydrate (CAS: 73978-41-3)?

This compound is subject to regulations under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS), REACH in the EU, and FDA and EPA guidelines in the US. It is classified as a hazardous substance due to its corrosive properties, requiring appropriate labeling and handling. Detailed information on safety data sheets (SDS) and registration under REACH is essential for manufacturers and users.