Multi purpose buffer used in biological research.
|Storage||Store at RT|
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
|Solvent||Max Conc. mg/mL||Max Conc. mM|
Preparing Stock Solutions
The following data is based on the product molecular weight 238.3. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.
|Concentration / Solvent Volume / Mass||1 mg||5 mg||10 mg|
|1 mM||4.2 mL||20.98 mL||41.96 mL|
|5 mM||0.84 mL||4.2 mL||8.39 mL|
|10 mM||0.42 mL||2.1 mL||4.2 mL|
|50 mM||0.08 mL||0.42 mL||0.84 mL|
References are publications that support the products' biological activity.
Good et al (1966) Hydrogen ion buffers for biological research. Biochemistry 5 467 PMID: 5942950
Medzon and Gedies (1971) Substitution of 4-(2-hydroxyethyl)-1-piperazineethane sulfonic acid (HEPES) for bicarbonate in protein-free animal cell culture medium: application to vaccinia virus quantitation and fluorogenic acetylesterase assay in living LM cells. Canadian J.Microbiol. 17 651 PMID:
If you know of a relevant reference for HEPES, please let us know.
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