👉 Methylcholanthrene is a chemical compound that belongs to the family of polychlorinated biphenyls (PCBs). It was first synthesized by the German chemist Hans von Wörld in 1925. PCBS are a class of highly toxic organic compounds used as solvents, preservatives, and dyes. The term "methylcholanthrene" is commonly used to refer to the chemical compound because it shares some of its structural features with