L-Cystine by bioPLUS $386.58 1 kg - $386.58 100 g - $63.21 250 g - $107.66 500 g - $177.65 1 kg 100 g 250 g 500 g Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Specifications Documents Technical Specifications Synonyms: (R,R)-3,3 -Dithiobis(2-aminopropionic Acid) CAS#: 56-89-3 Molecular Weight: 240.3 Molecular Formula: C6H12N2O4S2 Ship Temperature: RT Storage Temperature: RT Composition Technical Documentation