![5-ethynyl-1H-pyrazole AldrichCPR](/deepweb/assets/sigmaaldrich/product/structures/232/742/d5bdb32b-3766-4e0f-9d0e-01751259f327/640/d5bdb32b-3766-4e0f-9d0e-01751259f327.png)
5-ethynyl-1H-pyrazole
![5-ethynyl-1H-pyrazole AldrichCPR](/deepweb/assets/sigmaaldrich/product/structures/232/742/d5bdb32b-3766-4e0f-9d0e-01751259f327/640/d5bdb32b-3766-4e0f-9d0e-01751259f327.png)
Empirical Formula (Hill Notation):
C5H4N2
CAS Number:
Molecular Weight:
92.10
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