L-Cysteine by bioPLUS $426.35 1 kg - $426.35 100 g - $69.27 1 kg 100 g Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Description Specifications Documents Technical Specifications Synonyms: L-Cysteine CAS#: 52-90-4 Molecular Weight: 121.16 Molecular Formula: C3H7NO2S Ship Temperature: RT Storage Temperature: RT Composition Technical Documentation