CAS 31281-59-1 appears in our catalog under these names: N-ACETYL-ALPHA-D-GLUCOSAMINE 1-PHOS&, N–Acetyl–α–D–glucosamine 1–phosphate disodium, N-Acetyl-a-D-glucosamine-1-phosphate disodium salt, N-Acetyl-α-D-glucosamine 1-phosphate disodium 95%, N-Acetyl-α-D-glucosamine 1-phosphate disodium salt, 95%, 95%. Offered by: Sigma-Aldrich, GLPBio, Biosynth, Ambeed, Chemat. Available pack sizes: 25MG, 5MG, 10mg, 50mg, 100mg, 1mg, 250mg, 1g.