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HEPES


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137270 HEPES

EMPROVE® EVOLVE

137264 HEPES

EMPROVE® EVOLVE
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391340 HEPES, Free Acid, Molecular Biology Grade - CAS 7365-45-9 - Calbiochem

A zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.
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391338 HEPES, Free Acid, ULTROL® Grade - CAS 7365-45-9 - Calbiochem

A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C. Absorbance (1.0 M, H2O, 260 nm):≤0.05.
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391333 HEPES, Sodium Salt, ULTROL® Grade - CAS 75277-39-3 - Calbiochem

A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.55 at 25°C. Absorbance (1.0 mM, H2O, 260 nm):0.10.

137265 HEPES sodium salt

EMPROVE® EVOLVE

5310-OP OmniPur® HEPES, Free Acid - CAS 7365-45-9 - Calbiochem

HEPES free acid, CAS 7365-45-9, is one of the most widely used Good's buffers.
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L1613-BC 1 M HEPES Buffer (50x)

A 1 M solution of HEPES that provides good buffering in the pH range of 7.2 to 7.6.