Sub Group: All Aliphatics Catalog Number: 9263 Formula: C4H6Cl2 CAS Number: 1476-11-5 Molecular Weight: 125 Synonyms: (2Z)-1,4-Dichloro-2-butene(Z)-1,4-Dichlorobutene1,4-Dichloro-cis-2-butenecis-1,2-Bis(chloromethyl)ethenecis-1,4-Dichloro-2-butene