CAS 117491-83-5 appears in our catalog under these names: ROX NHS ester, pure 6– isomer, ROX NHS ester, 6-isomer, ROX NHS ester, 6– isomer, ROX NHS ester, 6- isomer, 95%. Offered by: GLPBio, MedChemExpress, Lumiprobe. Available pack sizes: 5mg, 25mg, Get quote, 1mg, 50mg, 100mg.