CAS 102910-26-9 appears in our catalog under these names: N2-T-Boc-N6-(biotinamido-6-N-caproylamido)lysine, 97%, Biotin Impurity 21, N2-t-Boc-N6-(biotinamido-6-N-caproylamido)lysine. Offered by: Chemat Brand, Hubei YoungXin, TRC. Available pack sizes: on request, 10mg, 25mg, 50mg, 100mg, 200mg.