The molecule is a 1,3-oxazole compound having a phenyl substituent at the 2-position, an ethoxymethylene group at the 4-position, and an oxo group at the 5-position. It is a chemical allergen used for immunological experiments, particularly for experiments on delayed type hypersensitivity. It has a role as an allergen. It is a member of 1,3-oxazoles and a gamma-lactone.
(4E)-4-(ethoxymethylidene)-2-phenyl-1,3-oxazol-5-one