CAS 228272-52-4 appears in our catalog under these names: Cy3B NHS ester, Cy3B NHS ester 95%, Cy3B NHS ester, 95%, 95%, Cy3B NHS ester, 97.75%. Offered by: GLPBio, Ambeed, Chemat, MedChemExpress. Available pack sizes: 1mg, 5mg, 10mg, 25mg, 100mg, 10 mg, 25 mg, 50 mg.