CAS 7283-09-2 appears in our catalog under these names: b-D-Allopyranose, 97.00%, b-D-Allopyranose 98% （mixture of α,β ）, BETA-D-ALLOSE, RARE ALDOHEXOSE SUGAR, β-D-Allose, 98% （mixture of α,β ）, 98% （mixture of α,β ）, b-D-Allopyranose, 5 g. Offered by: Chemat, Ambeed, Sigma-Aldrich, Roth. Available pack sizes: 1g, 250mg, 50mg, 100mg, 5g, 10g, 25g.