4-Chlorobutyryl Chloride is suited for the production of agrochemicals and pharmaceuticals. This is a pyrazinamide intermediate, which is used in the preparation of mitosene analogs. This is an antitumor antibiotic, used to make the medicines of the same kind. 4-Chlorobutyryl Chloride is functional as an organic compound, suited for the manufacturing of esters. It is used at other industrial sites as well. This is accessible with the molecular weight of 140.99 Grams (g).