Synonyms: L-Arg(Tos)-OH Purity Limit: ≥ 98% (HPLC) CAS No.: 4353-32-6 Molecular Formula: C13H20N4O4S Molecular Weight: 328.39 MDL No.: MFCD00077167 Appearance: White to off-white powder Optical Rotation: [a]D20 = +5.3 ± 0.5º (C=3 in DMF) Storage Temperature: Store at 0-8 °C