Methylium, (4-chlorophenyl)oxo- is a chemical compound registered under CAS number 20122-41-2, with the molecular formula C7H4ClO and a molecular weight of about 139.56 g/mol. ProvideChemicals supplies Methylium, (4-chlorophenyl)oxo- for laboratory research and bulk production; product code 2071724. Send an inquiry for purity, packaging, price and lead time.