Cell Culture substitute for Glutamine, offering greater thermal stability with lowered ammonia build-up. L-Alanyl-L-glutamine is a stable synthetic glutamine dipeptide. This dipeptide is used as an alternative source of amino acids in cell culture medium.||Synonyms:|N2-L-Alanyl-glutamine; N2-L-Alanyl-L-glutamine; 72: PN: US20070066537 PAGE: 17 claimed protein; 96: PN: WO2011146121 PAGE: 115 claimed sequence; Alanyl-glutamine; Dipeptamin; Dipeptiven; GlutaMAX; Glutamax I; L-Ala-L-Gln; Sustamine||Form:|Sterile-filled liquid in 200mM L-alanyl-L-glutamine dipeptide in 0.85% sodium chloride.||Storage and Stability:|May be stored at RT for short-term only. Long-term storage is recommended at 4°C. Stable for 24 months after receipt.||Product Raw Material specifications, L-Alanyl-L-Glutamine:||Purity:|99.7%||pH:|As reported ||Related Substances:|L-Alanine-L-lactamic acid & L-pyroglutamic acid & N(2)-D-alanyl-L-glutamine: None Detected |Cyclo-(L-alanyl-L-glutamine): 0.004%|L-alanyl-L-glutaminic acid: 0.03%|Other unknown max impurity: 0.02%|Sum of other unknown impurities: 0.02%||