CAS Registry Number

CAS 930-30-3 — 2-Cyclopenten-1-one

2-Cyclopenten-1-one is an unsaturated cyclic ketone widely used as a synthetic intermediate in organic chemistry, pharmaceuticals, and fragrance production. It serves as a key building block in the synthesis of complex molecules, including pheromones and biologically active compounds. CAS 930-30-3, molecular formula C5H6O, molecular weight 82.10 g/mol. Store at 2–8 °C. Signal word: Warning. Molekula supplies 2-Cyclopenten-1-one from research to bulk quantities with full documentation and ISO 9001:2015 traceability.