CAS Registry Number

CAS 28920-43-6 — Fmoc-Cl (9-Fluorenylmethyl chloroformate)

Fmoc-Cl (9-Fluorenylmethyl chloroformate) is a highly reactive reagent used primarily in peptide synthesis to introduce the Fmoc protecting group, enabling controlled chain elongation. It is also employed in organic synthesis for selective functionalization. This chemical has a CAS number of 28920-43-6, a molecular formula of C15H11ClO2, and a molecular weight of 258.70. It must be stored between 2 to 8°C and carries a **Danger** signal word due to its hazardous nature. Molekula supplies Fmoc-Cl from research to bulk quantities with full documentation and ISO 9001:2015 traceability.