The chemical Methoprene has a designated molecular formula of C19H34O3 and a molecular weight of 310.478 g/mol. Synonyms may include: Altosid, Altosid IGR, Altosid SR 10, Apex (pesticide), Caswell No. 028AAA, Diacon, Dianex, (E,E)-1-Methylethyl 11-methoxy-3,7,11-trimethyl-2,4-dodecadienoate, EINECS 254-993-2, ENT 70460, EPA Pesticide Chemical Code 105401, Isopropyl (EE)-(RS)-11-Methoxy-3,7,11-trimethyldodeca-2,4-dienoate (ChemID).