CAS 28319-77-9 appears in our catalog under these names: L-alpha-Glycerophosphorylcholine, GPC- glycerophosphorylcholine, >95% (HPLC), sn-Glycero-3-phosphocholine, >95% (HPLC), sn-Glycero-3-phosphocholine/ 98.53% (existing batch purity), sn–Glycero–3–phosphocholine. Offered by: Chemat Brand, TRC, TargetMol, GLPBio, Biosynth. Available pack sizes: on request, 100mg, 1g, 5g, 0,05kg, 0,1kg, 25g, 0,25kg.