CAS 70753-61-6 appears in our catalog under these names: L-Threonic Acid Calcium Salt, L-Threonic Acid Calcium Salt, >95% (HPLC), Calcium L-Threonate/ 98%, Calcium L-threonate, 98% , Calcium L-threonate. Offered by: Chemat Brand, TRC, TargetMol, Thermo Scientific (Alfa Aesar), Biosynth. Available pack sizes: on request, 100g, 25g, 5g, 1g, 500g, 0,25kg, 0,1kg.