Synonyms5-amino-4-chloropyridazin-3(2H)-one; 5-Amino-4-chloro-3(2H)-pyridazinone; 5-Amino-4-chloro-3-pyridazinone; NSC 38293; Desphenyl Chloridazon Close 5-amino-4-chloropyridazin-3(2H)-one; 5-Amino-4-chloro-3(2H)-pyridazinone; 5-Amino-4-chloro-3-pyridazinone; NSC 38293; Desphenyl Chloridazon Related products Chloridazon M.F. M.W. 221.65 CAT# AR-C02426 CAS# 1698-60-8 Desphenyl Chloridazon M.F. M.W. 145.55 CAT# AR-C02427 CAS# 6339-19-1 Methyldesphenylchloridazon M.F. M.W. 159.58 CAT# AR-C02428 CAS# 17254-80-7 Methyldesphenylchloridazon-D3 M.F. M.W. 162.59 CAT# AR-C02429 CAS# NA