CAS 211236-68-9 appears in our catalog under these names: 11-Maleimidoundecanoic Acid Sulfo-N-Succinimidyl Ester (~90%), Sulfo–KMUS(N–(κ–maleimidoundecanoyloxy) sulfosuccinimide ester), Sulfo-KMUS, >98.0%(HPLC), 1H-Pyrrole-1-undecanoic acid, 2,5-dihydro-2,5-dioxo-, 2,5-dioxo-3-sulfo-1-pyrrolidinyl ester, sodium salt (1:1), 98.0%, 98.0%, Sulfo-KMUS (sodium salt), 98.29%. Offered by: TRC, GLPBio, TCI, Chemat, MedChemExpress. Available pack sizes: 100mg, 1g, 250mg, 20mg, 100 mg, 50 mg, 25 mg.