Thiophene
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                
                 197957-65-6
                                thiophene,ethynediyl,197957-65-6
            2025-10-28  Discover Thiophene, 3,3'-(1,2-ethynediyl)bis- (CAS No: 197957-65-6) and related compounds. Ideal for advanced chemical applications. Competitive pricing, fast delivery, and expert support worldwide.