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HEPES (Acide 4-(2-hydroxyéthyl)pipérazine-1-yléthanesulfonique), powder acid_free, Corning®

Fournisseur: Corning

Synonyms: HEPES free acid, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulphonic acid), 4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid, N-2-Hydroxyethylpiperazine-N′-2-ethanesulphonic acid, 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulphonic acid

61-034-RR 61-034-RO 61-034-RM
MDTC61-034-RREA 607.86 EUR
MDTC61-034-RR MDTC61-034-RO MDTC61-034-RM
HEPES (Acide 4-(2-hydroxyéthyl)pipérazine-1-yléthanesulfonique), powder acid_free, Corning®
HEPES (Acide 4-(2-hydroxyéthyl)pipérazine-1-yléthanesulfonique)

HEPES (N-2-hydroxyethylpiperazine-N’-2-ethanesulphonic acid) provides an alternative to the use of bicarbonate for buffering because it does not require elevated levels of CO2


Unlike the low pKa of bicarbonate, HEPES has a pKa of 7.66 making it a much stronger buffer in the pH 7.2-7.6 range than bicarbonate buffer. Potential disadvantages of HEPES include toxicity over 100 mM and lack of nutritive value to the cell.

Formule: C₈H₁₈N₂O₄S
MW: 238.31 g/mol
Température de stockage: Température ambiante
Numéro MDL: MFCD00006158
Numéro CAS: 7365-45-9
Merck Index: 13,04672
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