HEPES-2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid free acid ≥99% (by alkalimetry), Molecular Biology Grade, Calbiochem®

Supplier: EMD MILLIPORE (BIOSCIENCES)

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391340-25GM 391340-250GM

80502-686EA 76.37 USD

80502-686 80502-684

HEPES-2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid free acid ≥99% (by alkalimetry), Molecular Biology Grade, Calbiochem®

HEPES (4-(2-Hydroxyethyl)piperazin-1-ylethanesulphonic 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
Storage Temperature: Ambient

MDL Number: MFCD00006158
CAS Number: 7365-45-9

https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=4cdc09c866676149941b93b2cac8d453175059a2&vid=2209af1f39056d621b3c53488e816f5332a603f5&prid=web&clid=SAPDAM

https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=cc04763bdb604a22b88a12360e93b1d1b17277e0&vid=72fcc850bfa92eaa75b004604d5e1dc9e7144633&prid=web&clid=SAPDAM

Specification Test Results

Purity ( by alkalimetric assay)	≥99%
DNase, RNase, and protease	None detected
Heavy metals	≤0.0005%

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