What regulatory guidelines apply to 5H-Chromeno[2,3-b]pyridine (CAS: 261-27-8)?

5H-Chromeno[2,3-b]pyridine (CAS: 261-27-8) falls under the scope of the REACH regulations in Europe and requires registration and evaluation by authorities. In the U.S., it must comply with the FDA and EPA regulations regarding manufacturing, handling, and disposal. It is important to note that it should be classified and labeled according to the Globally Harmonized System (GHS), which includes appropriate hazard communication labels and safety data sheets (SDS).