Simplify the following text for a Grade 9 native English-speaking person.
Original: Bromine monochloride , also called bromine ( I ) chloride , bromochloride , and bromine chloride , is an interhalogen inorganic compound with chemical formula BrCl .
Simplified: Bromine monochloride , also known as bromine ( I ) chloride , bromochloride , or bromine chloride , is a chemical compound . Its chemical formula is BrCl .