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Merck

RDD035

Sigma-Aldrich

HEPES Natriumsalz

≥99.5% (titration), free-flowing, Redi-Dri

Synonym(e):

4-(2-Hydroxyethyl)piperazin-1-ethanesulfonsäure Natriumsalz, N-(2-Hydroxyethyl)-piperazin-N′-(2-ethansulfonsäure) Natriumsalz

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About This Item

Empirische Formel (Hill-System):
C8H17N2NaO4S
CAS-Nummer:
Molekulargewicht:
260.29
MDL-Nummer:
UNSPSC-Code:
12161700
NACRES:
NA.25

Produktlinie

Redi-Dri

Qualitätsniveau

Assay

≥99.5% (titration)

Qualität

free-flowing

Nützlicher pH-Bereich

6.8-8.2

pKa (25 °C)

7.5

Anwendung(en)

diagnostic assay manufacturing

SMILES String

[Na+].OCCN1CCN(CC1)CCS([O-])(=O)=O

InChI

1S/C8H18N2O4S.Na/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1

InChIKey

RDZTWEVXRGYCFV-UHFFFAOYSA-M

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Allgemeine Beschreibung

HEPES sodium salt is essential to prepare HEPES buffer that is commonly used for cell culture and protein applications. It is useful for maintaining homeostasis when working with cells outside of the incubator by balancing CO2. HEPES buffering capacity exceeds most buffers, with a pKa of 7.5, making it optimal for maintaining pH in biological systems. In solution, it is non-toxic, zwitterion with a physiological buffering range of pH 6.8 - 8.2. It has a low metal binding capacity and is safe to use in research for metal-binding proteins.

Anwendung

HEPES sodium salt can be used:
  • as a protein precipitation buffer
  • in cell culture media
  • as a binding buffer

Leistungsmerkmale und Vorteile

  • Redi-Dri eliminates clumping for hygroscopic chemicals
  • powder remains free-flowing and easy to use
  • Safer to handle and weigh out for standard use in lab
  • Eliminates clumps, maintains product moisture, quality, and characteristics

Physikalische Form

Lyophilized, spray dried, or crystallized material.

Sonstige Hinweise

For additional information on our range of Biochemicals, please complete this form.

Rechtliche Hinweise

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Vergleichbares Produkt

Produkt-Nr.
Beschreibung
Preisangaben

Lagerklassenschlüssel

13 - Non Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable


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Nishant Mehta et al.
Cell reports, 28(10), 2509-2516 (2019-09-05)
V-domain immunoglobulin (Ig) suppressor of T cell activation (VISTA) is an immune checkpoint protein that inhibits the T cell response against cancer. Similar to PD-1 and CTLA-4, a blockade of VISTA promotes tumor clearance by the immune system. Here, we report a
Åsa Birna Birgisdottir et al.
Autophagy, 15(8), 1333-1355 (2019-02-16)
Autophagosome formation depends on a carefully orchestrated interplay between membrane-associated protein complexes. Initiation of macroautophagy/autophagy is mediated by the ULK1 (unc-51 like autophagy activating kinase 1) protein kinase complex and the autophagy-specific class III phosphatidylinositol 3-kinase complex I (PtdIns3K-C1). The
Peng Yang
Macromolecular bioscience, 12(8), 1053-1059 (2012-06-19)
When lysozyme is dissolved in a neutral HEPES buffer solution (pH = 7.4) with 0.001-0.050 M TCEP added, a fast phase transition process occurs and the resulting novel fiber-like hierarchical supramolecular assemblies made by primary spherical-particle aggregation can function as a "superglue"
S Hugel et al.
British journal of pharmacology, 166(8), 2402-2416 (2012-03-29)
Artificial buffers such as HEPES are extensively used to control extracellular pH (pH(e) ) to investigate the effect of H(+) ions on GABA(A) receptor function. In neurones cultured from spinal cord dorsal horn (DH), dorsal root ganglia (DRG) and cerebellar
Jihye Park et al.
The Analyst, 137(19), 4411-4414 (2012-08-07)
We have developed a quickly responsive, and specific fluorescent assay for the detection of Au(III) on the basis of the formation of gold nanoparticles in the presence of HEPES, which cleave the C-I bond of I-BODIPY 1 to yield the

Artikel

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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