| Solubility (10mg/ml, 2N NH4): Colorless, clear, complete Specific Rotation (alpha)D24, 1% HCl): +74 to +76 Enantiomer Content Identity (TLC): methanol/chloroform/ammonia 17%: 2/2/1 (v/v/v) isopropanol/ammonia conc. 1/1 (v/v) n-butanol/acetic acid/H2O 4/2/3 (v/v/v) detected by UV, ninhydrin, chlorine-tolidine plate: silicagel 60 F254 Contaminant: 99% L-homo-Cystine 0.2% D-enantiomer 0.2%meso-homo-Cystine Water Content (KF): ~0.1% Elemental Analysis: 99.8% (Nth 10.44%, Nfd 10.42%) Storage and Stability: May be stored at 4C. Stable for 6 months. Moisture sensitive. |