 
                Phthalazine
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                
                 57531-19-8
                                phenyl,phthalazine,carboxylic,57531-19-8
            2025-10-24  Discover 4-oxo-3-phenyl-phthalazine-1-carboxylic acid (CAS No: 57531-19-8) and related compounds. Ideal for advanced chemical applications. Competitive pricing, fast delivery, and expert support worldwide.