L-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. L-Cysteine is commonly used as a precursor in the food and pharmaceutical industries. L-Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavors. Synonyms: L-Cys-OH, (R)-2-Amino-3-mercaptopropanoic Acid, (R)-Cysteine, 2-Amino-3-mercaptopropionic Acid, Cystein, Cysteine, E 920, Half-cystine, L-(+)-Cysteine, 3-Mercapto-L-alanine, L-Cys, NSC 8746, Thioserine, beta-Mercaptoalanine CAS No: 52-90-4 Molecular Formula: C3H7NO2S Molecular Weight: 121.16 MDL No: MFCD00064306 Purity: 98% Appearance: White crystalline powder Solubility (277g/L H2O): Colorless, clear, complete pH: 5-7 Sulfate: 0.03% Chloride 0.2% Ammonium: <0.02% Arsenic: 0.0001% Iron: 0.001% Heavy Metals (Pb): 0.001% Melting Point: 220C (dec) (lit) Optical Rotation: [a]D20 = +7.0 to + 9.5 Loss on Drying: 0.5% Residue On Ignition: 0.1% Endotoxin: 0.5EU/mg Storage and Stability: Store at 4C. Stable for 6 months after receipt.
Molekulargewicht:
121.16
CAS Nummer:
[52-90-4]
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