HEPES-2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid free acid ≥99% (by alkalimetry), Molecular Biology Grade, Calbiochem®
Supplier: MilliporeSigma
Synonyms:
4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic acid
, 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulfonic acid
, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)
, 2-(4-(2-Hydroxyethyl)piperazin-1-yl)ethanesulphonic acid
, N-2-Hydroxyethylpiperazine-N′-2-ethanesulfonic acid
, 4-(2-Hydroxyethyl)piperazin-1-ylethanesulfonic acid
, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulphonic acid)
, N-2-Hydroxyethylpiperazine-N′-2-ethanesulphonic acid
, HEPES free acid
A zwitterionice N-substituted aminosulfonic acid buffer.
- Useful in the pH 6.8 to 8.2 range
- Has a pKa of 7.48 at 25 °C
Formula:
C₈H₁₈N₂O₄S MW: 238.31 g/mol Storage Temperature: Ambient |
MDL Number:
MFCD00006158 CAS Number: 7365-45-9 |
Specification Test Results
Purity ( by alkalimetric assay) | ≥99% |
DNase, RNase, and protease | None detected |
Heavy metals | ≤0.0005% |
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