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Merck

RDD035

HEPES sodium salt

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

Sinónimos:

HEPES Sodium, HEPES hemisodium salt, Sodium HEPES, 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid sodium salt, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid) sodium salt

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About This Item

Fórmula empírica (notación de Hill):
C8H17N2NaO4S
Número CAS:
75277-39-3
Peso molecular:
260.29
UNSPSC Code:
12161700
NACRES:
NA.25
MDL number:
MFCD00036463

Nombre del producto

HEPES sodium salt, ≥99.5% (titration), free-flowing, Redi-Dri™

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

SMILES string

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

InChI key

RDZTWEVXRGYCFV-UHFFFAOYSA-M

product line

Redi-Dri™

assay

≥99.5% (titration)

quality

free-flowing

useful pH range

6.8-8.2

pKa (25 °C)

7.5

application(s)

diagnostic assay manufacturing

Quality Level

100

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Application

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

Features and Benefits

  • 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

General description

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.

Other Notes

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

Physical form

Lyophilized, spray dried, or crystallized material.

Legal Information

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

Clase de almacenamiento

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
0000506533
0000314581
SLCF3906

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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
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
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
J R Eidet et al.
Experimental eye research, 94(1), 109-116 (2011-12-14)
The use of amniotic membrane (AM) represents one of the major developments in ocular surface reconstruction. However, in a study on patients with primary pterygium, transplantation of AM with ex vivo expanded human conjunctival epithelial cells (HCjE) promoted earlier epithelialization
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
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