CAS Registry Number

CAS 3623-15-2 — 1-Phenyl-2-propyn-1-one

1-Phenyl-2-propyn-1-one is an aromatic ketone with a terminal alkyne group, widely used as a building block in organic synthesis, pharmaceutical intermediates, and as a photoinitiator in UV-curable coatings. It is a white to pale yellow crystalline solid with a distinct odor. CAS 3623-15-2, molecular formula C9H6O, molecular weight 130.14 g/mol. Store between 2 to 8 °C in a cool, dry place, away from incompatible substances. Signal word: Warning. Molekula supplies 1-Phenyl-2-propyn-1-one from research to bulk quantities with full documentation and ISO 9001:2015 traceability.