N- Acetyl -DL-tryptophan

About N- Acetyl -DL-tryptophan

LC208 N-Acetyl-DL-tryptophan suitable for biopharmaceutical production bio Ph Eur,BP Order number Packaging Quantity Price AC27208 Plastic bottle 1 kg inquire AC27208 Plastic bottle 25 kg inquire Product information Grade Ph Eur,BP Hill Formula C13H14N2O3 HS Code 2933 99 80 EC number 201-739-3 Molar mass 246.26g/mol CAS number 87-32-1 Chemical and physical data Solubility 0.51g/l (20C) Melting point 205-206Cdecomposes Molar mass 246.26g/mol Bulk density 370kg/m3 pH value (0.5g/l, H2O, 20C) Safety information Storage class 10 - 13 Other liquids and solids WGK NWG not 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. Specifications Assay(alkalimetric, calculated on dried substance) 99.0 - 101.0% Identity(IR-spectrum) passes test Appearance white to almost white, crystalline powder or colorless crystals Appearance of solution(10g/l; sodium hydroxide solution 1mol/l) clear and not more intense in color than reference solution Y7 or GY7 Spec. rotation( 20/D; 100g/l; sodium hydroxide solution 1mol/l) -0.1 to +0.1 Heavy metals(as Pb) 0.001% Fe (Iron) 0.001% NH4 (Ammonium) 0.02% Residual solvents (Ph.Eur./ICH) excluded by manufacturing process Related substances (HPLC) - largest single impurity 0.25% - Sum of all impurities 0.5% Sulfated ash(600C) 0.1% Loss on drying(105C) 0.5% Bacterial endotoxins 50I.U./g Residues of metal catalysts or metal reagents acc. to EMEA/CHMP/SWP/4446/2000 are not likely to be present. Corresponds to Ph.Eur., BP