But-2-yne

          cas no 503-17-3 is But-2-yne      
Cas No|Cas Number|CAS Registry Number:503-17-3 .
Chemical Name|Molecular Name:But-2-yne
Formulanor:C4H6
Synonyms:2-Butyne, Dimethyl acetylene, 1,2-dimethylvinylene, Dimethylacetylene, UN1144, MFCD00009275, EINECS 207-962-2, Crotonylene, 1-methyl-1-propynyl
Molecular Weight:54.09
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