CAS 4773-29-9 appears in our catalog under these names: N-Acetyl-d-mannosamine, 95%, rel-N-Acetyl-D-mannosamine, 98%, N-Acetyl-beta-D-mannosamine. Offered by: Combi-blocks, Chemat Brand, Biosynth. Available pack sizes: 10g, 25g, 1g, 100g, 5g, on request, 2g.