85-3116-85　L-Cysteine, Anhydrous 99+% 2.5Kg　CAS No:52-90-4　267763

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: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; β-Mercaptoalanine
• Molecular Formula:C₃H₇NO₂S
• Molecular Weight:121.16
• MDL No:MFCD00064306
• Appearance:White crystalline powder
• Purity:≥99% (Titration: anhydrous basis)
• Melting Point:220°C (dec) (lit)
• Optical Rotation:[a]D20 = +8.3 to + 9.5º
• Storage and Stability:Powder is stable for 12months after receipt at 4ºC.
• Important Note:This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
• Toxicity and Hazards: All products should be handled by qualified personnel only, trained in laboratory procedures.