एसिटाइल- एल-सिस्टीन

उत्पाद वर्णन

LC189 N-Acetyl-L-cysteine for biochemistry Order number Packaging Quantity Price AC27189 Plastic bottle 25 g 17.37 AC27189 Plastic bottle 100 g 58.5 AC27189 Plastic bottle 1 kg 440.10 AC27189 Plastic bottle 10 kg inquire Product information Synonyms 2-Acetamido-3-mercaptopropionic acid Hill Formula C5H9NO3S HS Code 2930 90 16 EC number 210-498-3 Molar mass 163.19g/mol CAS number 616-91-1 Chemical and physical data Solubility 200g/l (20C) Melting point 108-110C Molar mass 163.19g/mol Bulk density 730kg/m3 pH value 1.5-2.5 (100g/l, H2O, 20C) Safety information Storage class 10 - 13 Other liquids and solids WGK WGK 2 water endangering Disposal 3Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. Toxicological data LD 50 oral LD50 rat 5050 mg/kg Specifications Assay(iodometric) 99.0% Identity(IR-spectrum) passes test Appearance white to almost white, crystalline powder or colorless crystals Appearance of solution(1mol/l, water) clear and colorless Spec. rotation( 20/D, 50g/l, bufferpH 7.0) +21.0 to +27.0 Heavy metals(as Pb) 0.001% NH4 (Ammonium) 0.01% L-cysteine(HPLC) 0.02% Other ninhydrine positive substances 0.1%