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Merck

PHR1428

Supelco

HEPES

certified reference material,pharmaceutical secondary standard

Sinónimos:

Ácido 4-(2-hidroxietil)piperacina-1-etanosulfónico, Ácido N-(2-hidroxietil)piperacina-N′-(2-etanosulfónico)

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About This Item

Fórmula empírica (notación de Hill):
C8H18N2O4S
Número de CAS:
Peso molecular:
238.30
Beilstein:
883043
Número CE:
Número MDL:
Código UNSPSC:
41116107
ID de la sustancia en PubChem:
NACRES:
NA.24

Nombre del producto

HEPES, Pharmaceutical Secondary Standard; Certified Reference Material

grado

certified reference material
pharmaceutical secondary standard

Nivel de calidad

familia API

hepes

CofA

current certificate can be downloaded

técnicas

HPLC: suitable
gas chromatography (GC): suitable

pH

5.0-6.5 (25 °C, 238 g/L)

intervalo de pH útil

6.8-8.2

pKa (25 °C)

7.5

aplicaciones

pharmaceutical (small molecule)

Formato

neat

temp. de almacenamiento

2-30°C

cadena SMILES

OCCN1CCN(CC1)CCS(O)(=O)=O

InChI

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

Clave InChI

JKMHFZQWWAIEOD-UHFFFAOYSA-N

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Descripción general

HEPES has been described as one of the best all-purpose buffers available for biological research. At biological pH, the molecule is zwitterionic and is effective as a buffer at pH 6.8 to 8.2.


Pharmaceutical secondary standards for application in quality control, provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

Aplicación

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.
  • HEPES has been used in a wide variety of applications, including tissue culture.
  • It is used to buffer cell culture media in air.
  • Finds its usage in invitro experiments on Mg.
  • Recognized as one of Dr.Good′s recommended buffers, used in some cell culture media as a buffering agent and also in various biochemical reactions.
  • Recently, in the production of radiopharmaceuticals, it is the buffer of choice for scientific labeling.

HEPES may also be used as:
  • Component of homogenization buffer to homogenize adipose tissue for liquid chromatography/mass spectrometry and in HN buffer for dissolving viral stock titer after dot blot hybridization.
  • Pharmaceutical reference standard for the determination of the analyte in bulk drug and pharmaceutical formulations by high performance liquid chromatography.

Nota de análisis

These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available.

Otras notas

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

Nota al pie de página

To see an example of a Certificate of Analysis for this material enter LRAC3253 in the slot below. This is an example certificate only and may not be the lot that you receive.

Código de clase de almacenamiento

13 - Non Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 1

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


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Certificados de análisis (COA)

Lot/Batch Number

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Simple and reliable chromatographic technique for the determination of HEPES in Ga-68-labeled pharmaceuticals
Maus S, et al.
Journal of Nuclear Medicine, 56(3), 1168- 1168 (2015)
Determination of HEPES in 68 Ga-labeled peptide solutions
Sasson R, et al.
J. Radioanal. Nucl. Chem., 283(3), 753- 756 (2010)
Assessing the corrosion of biodegradable magnesium implants: a critical review of current methodologies and their limitations.
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