CAS 82518-79-4 appears in our catalog under these names: Boc-5-aminopentanoic NHS ester 98%, 2,5-Dioxopyrrolidin-1-yl 5-((tert-butoxycarbonyl)amino)pentanoate, 98%, 98%, Boc-5-aminopentanoic NHS ester. Offered by: Ambeed, Chemat, MedChemExpress. Available pack sizes: 25mg, 50mg, 100mg, 250mg, 1g, 50 mg, 250 mg, 25 mg.