[1,2,4]triazolo[4,3-a]pyrimidin-3(2H)-one CAS No.:63206-77-9 Molecular Formula:C5H4N4O Molecular Weight:136.111 Melting Point: Flash Point: Sent E-mail INQUIRY ←[Previous:5-Hydroxyisoxazole-3-carboxylic acid] [Next:3,5-Diiodopyridin-4-ol]→