85-1335-71　L-Cysteine Hydrochloride Anhydrous 2.5Kg　CAS No:52-89-1　C9005

特徴

• 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:R)-2-Amino-3-mercaptopropanoic Acid Hydrochloride; (R)-Cysteine Hydrochloride; 2-Amino-3-mercaptopropionic Acid Hydrochloride; NSC 8746 Hydrochloride; Thioserine Hydrochloride; β-Mercaptoalanine Hydrochloride
• Molecular Formula:C3H7NO2S•HCl
• Molecular Weight:157.62
• Purity:≥99%
• Appearance:White, crystalline powder
• Specific Rotation (C=8, 1N HCl):+5.6° to +8.9°
• Loss on Drying:≤2%
• Residue on Ignition:≤0.4%
• Heavy Metals (Pb):≤0.001%
• pH:1.5-2.0
• Chloride:22.3-22.6%
• Ammonium:≤0.02%
• Sulfate:≤0.02%
• Iron:≤0.001%
• Arsenic:≤0.0001%
• Endotoxin:≤2EU/mg
• Storage and Stability:Lyophilized powder may be stored at 4°C. Stable for 12 months at 4°C.