4-Chlorophthalazin-1(2H)-one CAS No.:2257-69-4 Molecular Formula:C8H5ClN2O Molecular Weight:180.591 Melting Point:273 °C Flash Point:452.7 °C at 760 mmHg Sent E-mail INQUIRY ←[Previous:3-Methoxy-6-methyl-2-nitropyridine] [Next:2,6-Dihydroxy-4-(trifluoromethyl)nicotinonitrile]→