alpha-Methylstyrene 118.07825 118.176 InChI=1S/C9H10/c1-8(2)9-6-4-3-5-7-9/h3-7H,1H2,2H3 chebi_ontology CAS:98-83-9 0 KEGG:C14395 HMDB:HMDB0059899 2-Phenylpropene 1-Methyl-1-phenylethylene CC(=C)c1ccccc1 XYLMUPLGERFSHI-UHFFFAOYSA-N C9H10 alpha-Methylstyrene CHEBI:35060 olefinic compound