CAS: 140-10-3 Molecular Formula: C9 H8 O2 Molecular Weight (g/mol): 148.16 Synonym: 2-Propenoic acid, 3-phenyl-, (2E)- (9CI, ACI),(2E)-3-Phenyl-2-propenoic acid (ACI),2-Propenoic acid, 3-phenyl-, (E)- (ZCI),Cinnamic acid, (E)- (8CI),(2E)-2-Phenyl-2-propenoic acid,(2E)-3-Phenylprop-2-enoic acid,(2E)-Cinnamic acid,(E)-3-Phenyl-2-propenoic acid,(E)-3-Phenylacrylic acid,(E)-3-Phenylacrylic acid,(E)-3-Phenylprop-2-enoic acid,(E)-Cinnamic acid,3-Phenyl-(E)-2-propenoic acid,NSC 44010,trans-3-Phenyl-2-propenoic acid,trans-3-Phenylacrylic acid,trans-Cinnamic acid,trans-Cinnamic acid,trans-β-Carboxystyrene IUPAC Name: (E)-3-phenylprop-2-enoic acid SMILES: OC(=O)\C=C\c1ccccc1