HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) ≥99.5%
Supplier: VWR Chemicals
441476LEA
683
EUR
441476L
HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid) ≥99.5%
HEPES (2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanesulphonic acid)
Hepes is a widely used buffer in biological studies. In cell culture media, it is employed as a substitute for the bicarbonate buffer at a concentration of 25 mM or as a supplement to the bicarbonate buffer (concentration 10 to 15 mM).
Specification Test Results
Assay | Min. 99.5 % |
Cl (Chloride) | Max. 0.05 % |
SO4 (Sulphate) | Max. 0.05 % |
Heavy metals (as Pb) | Max. 10 ppm |
pH (25°C; 1 %) | 4.7 - 6.0 |
Water | Max. 0.5 % |
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