MES sodium salt, >-98.5% (after ion exchange), C6H12NNaO4S, CAS Number-71119-23-8, 500g, 0.03 max. (10% in water) 1 cm cell vs water at 280nm, 0.05 max. (10% in water) 1 cm cell vs water at 260nm, 99%, CHEBI:62955, White, 217.22, 10ppm max.
HEPES sodium salt, >-99%, C8H17N2NaO4S, CAS Number-75277-39-3, 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid sodium salt, 500g, 0.02 max. at 280nm, 0.04 max. at 260nm, (0.1 M in H2O), (0.1 M in H2O) at 0nm, (0.1M in H2O), 99%, CHE