CAS 6035-45-6 appears in our catalog under these names: Leucovorin Calcium Salt Pentahydrate, >95% (HPLC), Folinic Acid Calcium Salt Pentahydrate, Leucovorin Calcium, Folinic acid, calcium salt pentahydrate, 95.0-105.0%, Folinic acid calcium salt pentahydrate 98%. Offered by: TRC, TargetMol, GLPBio, Thermo Scientific (Acros), Ambeed. Available pack sizes: 100mg, 1g, 5g, 500mg, 25mg, 10mM (in 1ml dmso), 250MG, 25g.