Fmoc-Arg(Pbf)-OH

Description

Product Name: Fmoc-Arg(Pbf)-OH Synonyms: Nα-Fmoc-Nω-(2, 2, 4, 6, *-pentamethyldihydrobenzofuran**-sulfonyl)-L-arginine Molecular Formula: C*4H*0N4O7S Molecular Weight: **8.*7 CAS No.: **********9 Test Items Standard Appearance White to off-white powder IR Spectrum In accordance with structure Solubility 1 mmole in 2 ml DMF clearly soluble Specific Rotation [*5/D] *5.0 ± 1.0 Degree (c=1 in DMF) Melting Point *4 to *8 Celsius Degree Water (Karl Fischer) Not more than 2.0% Free Amino Acid Not more than 0.1% Related impurity (HPLC) Not more than 0.2%, Fmoc Amino Acid derivatives Not more than 0.2%, Dipeptide Enantiomer Not more than 0.3%, D-Enantiomer Residual Solvents (GC) Not more than 7.0%, Specify last solvent used Assay Not less than *2% Purity (HPLC) Not less than *8.5%