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PHR1428 Supelco

HEPES

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid, HEPES, N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

  • CAS Number 7365-45-9

  • Empirical Formula (Hill Notation) C8H18N2O4S

  • Molecular Weight 238.30

  •  Beilstein/REAXYS Number 883043

  •  EC Number 230-907-9

  •  MDL number MFCD00006158

  •  PubChem Substance ID 329822594

  •  NACRES NA.24

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Properties

Related Categories Analytical Standards, Analytical/Chromatography, E-J, Pharmaceutical Secondary Standards, Pharmacopeia & Metrological Institutes Standards More...
Quality Level   300
grade   certified reference material
  pharmaceutical secondary standard
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
pH   5.0-6.5 (25 °C, 238 g/L)
useful pH range   6.8 - 8.2
pKa (25 °C)   7.5
Featured Industry   Pharmaceutical (small molecule)
format   neat
SMILES string   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)
InChI key   JKMHFZQWWAIEOD-UHFFFAOYSA-N

Description

Analysis Note

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

Other Notes

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.

Footnote

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.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 1
RTECS 
TL6809000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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