86958-26-1 3H-Pyrazole, 5-ethynyl-3,3-dimethyl- 3H-Pyrazole, 5-ethynyl-3,3-dimethyl- Catalog No.: 762263 Name: 3H-Pyrazole, 5-ethynyl-3,3-dimethyl- CAS: 86958-26-1 Formula: C7H8N2 Inquire about this product →