L-Glutamine, Pharmpur®, USP

- Synonyms: L-Glutamic acid-5-amide - C5H10N2O3 - M = 146,15 g/mol - CAS [56-85-9] - EINECS-No.: 200-292-1 - Solub. in water: (18 ºC): 26 g/l - Melting point: 185 - 186 ºC - LD 50 (oral, rat): 7500 mg/kg - Tariff number: 2924 19 00 90 - Applications: in biochemistry, analytical chemistry, for pharmaceutical use, synthesis of organic products, in pharma industry. SPECIFICATIONS assay (titratrion with HClO4, referred to dried sample): 98,5 - 101,5 % identity (IR-spectrum): passes test specific rotation ([a]20°/ D, c = 4, H2O): + 6,3 º - + 7,3 º chlorides (Cl): max. 0,05 % sulfates (SO4): max. 0,03 % iron (Fe): max. 30 ppm residue on ignition (as SO4): max. 0,3 % loss on drying (105 ºC, 3 h): max. 0,3 % related substances (TLC): max. 0,5 %