116954-12-2 Thiophene, 2,5-diethynyl-3-methyl- Thiophene, 2,5-diethynyl-3-methyl- Catalog No.: 1813492 Name: Thiophene, 2,5-diethynyl-3-methyl- CAS: 116954-12-2 Formula: C9H6S Inquire about this product →