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C2885

Sigma-Aldrich

CHES

≥99.0% (titration)

Synonym(s):
2-(Cyclohexylamino)ethanesulfonic acid
Empirical Formula (Hill Notation):
C8H17NO3S
CAS Number:
Molecular Weight:
207.29
Beilstein:
2967601
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.25

Quality Level

assay

≥99.0% (titration)

form

crystalline

pH

3.0-5.0 (103.6 g/L)

useful pH range

8.6-10.0

pKa (25 °C)

9.3

solubility

water: 0.6 g/25 mL, clear, colorless

application(s)

diagnostic assay manufacturing

SMILES string

OS(=O)(=O)CCNC1CCCCC1

InChI

1S/C8H17NO3S/c10-13(11,12)7-6-9-8-4-2-1-3-5-8/h8-9H,1-7H2,(H,10,11,12)

InChI key

MKWKNSIESPFAQN-UHFFFAOYSA-N

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General description

CHES (2-(N-cyclohexylamino)ethanesulphonic acid) is regarded as Good′s buffers for its self-buffering and biocompatible feature. It is used in protein stabilization and does not interact with metals.

Application

CHES has been used:
  • as a buffer in mannanase activity assay of antarctic fungal isolates
  • as a buffer for DNA digestion and labeling of 2′-deoxyadenosine 3′-monophosphate
  • as a component of Wilson and Horne extraction buffer for characterization of rat plasma enzymes

Packaging

25, 100, 250 g in poly bottle
1 kg in poly bottle

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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