CAS： 82911-69-1
MF： C19H15NO5
Appearance： White powder
N-(9-Fluorenylmethoxycarbonyloxy)succinimide, commonly known as Fmoc-OSu, is a white powder with the molecular formula C19H15NO5 and a molecular weight of 337.33. Its IUPAC name is 2,5-dioxopyrrolidin-1-yl (9H-fluoren-9-yl)methyl carbonate, and it has a melting point range of 147–155°C. Fmoc-OSu is widely used in various fields, including medicine for analyzing amino acids, in the chemical industry, as a biochemical reagent in life science research, and as a mixed carbamate reagent to prepare N-(9-fluorenylmethoxycarbonyl) derivatives. It is also utilized in dyes and biologically active applications. The compound is poorly soluble in water but demonstrates solubility in ethanol-rich solutions, with ethanol and water selectively solvating it depending on the solvent composition. Fmoc-OSu is hazardous, posing risks such as toxicity to aquatic life, allergic skin reactions, and harm if ingested. Safety precautions include using protective equipment, avoiding inhalation of dust or vapors, and preventing environmental release.
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