What regulatory guidelines apply to 7,9-dimethyl-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one (CAS: 886367-24-4)?

7,9-dimethyl-3,4-dihydro-1H-benzo[b]azepin-5(2H)-one (CAS: 886367-24-4) falls under various regulatory guidelines. It is classified according to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) as a category 4 sensitiser. Additionally, it is subject to the European Union’s Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) regulation, which requires registration for substances above a certain tonnage threshold. The U.S. Environmental Protection Agency (EPA) and the Food and Drug Administration (FDA) may also regulate its use in specific applications, such as pharmaceuticals and cosmetics.