CAS Registry Number

CAS 536-74-3 — Phenylacetylene

Phenylacetylene is an organic compound featuring a terminal alkyne group attached to a benzene ring, widely used as a building block in pharmaceutical synthesis, polymer chemistry, and advanced materials research. Its reactivity makes it valuable for creating complex molecules, including natural product derivatives and liquid crystal polymers. Phenylacetylene has a CAS number of 536-74-3, a molecular formula of C6H5CCH, and a molecular weight of 102.13 g/mol. It must be stored between 2 to 8°C and carries a **Danger** signal word due to its hazardous properties. Molekula supplies Phenylacetylene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.