Methyl phenylpropiolate

• CAT Number: L045834
• CAS Number: 4891-38-7
• Molecular Formula: C10H8O2
• Molecular Weight: 160.17
• Purity: ≥95%
• IUPAC Name: methyl 3-phenylprop-2-ynoate
• InChI: InChI=1S/C10H8O2/c1-12-10(11)8-7-9-5-3-2-4-6-9/h2-6H,1H3
• InChIKey: JFGWPXKGINUNDH-UHFFFAOYSA-N
• SMILES: COC(=O)C#CC1=CC=CC=C1

Methyl phenylpropiolate（Cat No.:L045834）is an aromatic ester with the molecular structure C₆H₅C≡CCO₂CH₃, consisting of a phenyl group attached to a propiolic acid methyl ester. It appears as a colorless to pale yellow liquid and is moderately soluble in organic solvents. This compound contains a reactive alkyne group conjugated with an ester, making it a useful building block in organic synthesis, especially in cycloaddition, cross-coupling, and click chemistry reactions. Methyl phenylpropiolate is commonly employed in pharmaceutical research, material science, and the preparation of heterocyclic and biologically active compounds. Proper storage avoids degradation by light or moisture.