This product is 2-(4-tert-Butylphenyl-5-(4-biphenyl)-1,3,4 oxadiazole, scintillation grade 25mg, with the CAS code 15970-62-4. It is also commonly known as 2-tert-Butyl-5-biphenyl-1,3,4-oxadiazole and 9,10-bis(phenylmethyl)-9,10-dihydroanthracene-2-carbonitrile. It has an aromatic chemical structure with two phenyl rings connected by an oxadiazole ring.