Product Description: 5-Phenyl-1-pentyne (Pent-4-ynylbenzene) is a compound with antibacterial and antitumor activity, which can effectively inhibit the growth of certain cancer cells. 5-Phenyl-1-pentyne is often used as a reaction intermediate in organic synthesis to promote a variety of chemical reactions. 5-Phenyl-1-pentyne is also used in the synthesis of new compounds to improve the bioavailability and inhibitory effect of the compounds.