| Non-essential amino acid for human development. Has an optimal pH of 5.0-6.5. Synonyms: NPHN, NPHS1, Cystin, (CYS)2, Nephrin,h-(cys), L-cystin, Cystine, 1-cystine, (R,R)-3,3'-Dithiobis(2-aminopropionicacid) CAS No: 56-89-3 Molecular Formula: C6H12N2O4S2 Molecular Weight: 240.30 Purity: 98.5% Appearance: White crystalline powder Melting Point: >240C (dec.) (lit.) pH: 5.0-6.5 Specific Rotation [a]D20: -215 to -225 Loss on Drying: 0.2% Residue on Ignition: 0.1% Chloride: 0.02% Sulfate: 0.02% Iron: 0.001% Arsenic: 0.0001% Heavy Metals (Pb): 0.001% Endotoxin: 0.5EU/mg Storage and Stability: May be stored at RT for short-term only. Long-term storage is recommended at 4C. Stable for 12 months after receipt. |
