👉 Pseudophenanthrene is a chemical compound with the formula CH3CH2CH=CH-CH2-CH=CH-CH=CH-CH2-CH=CH-CH2-CH=CH-CH2-CH=CH-CH2-CH=CH. It is a very small molecule, with a molecular weight of 402.79 g/mol. It is a type of heterocyclic compound that is often used in the production of