CHES (buffer)

N-Cyclohexyl-2-aminoethanesulfonic acid
Names
	IUPAC name 2-(Cyclohexylamino)ethanesulfonic acid
	Other names N-Cyclohexyltaurine, CHES
Identifiers
CAS Number	103-47-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	60260 ;
DrugBank	DB03309 ;
ECHA InfoCard	100.002.832
MeSH	2-(N-cyclohexylamino)ethanesulfonic+acid
PubChem CID	66898;
UNII	[https://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=71X53V3RZ1 it is organic compound formed by the mixture of weak acid and thesalt of base of same acid 71X53V3RZ1 it is organic compound formed by the mixture of weak acid and thesalt of base of same acid] ;
	InChI 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) Key: MKWKNSIESPFAQN-UHFFFAOYSA-N ; InChI=1/C8H17NO3S/c10-13(11,12)7-6-9-8-4-2-1-3-5-8/h8-9H,1-7H2,(H,10,11,12) Key: MKWKNSIESPFAQN-UHFFFAOYAH;
	SMILES O=S(=O)(O)CCNC1CCCCC1;
Properties
Chemical formula	C8H17NO3S
Molar mass	207.287 g/mol
Acidity (pKa)	9.3
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

N-Cyclohexyl-2-aminoethanesulfonic acid, also known as CHES, is a buffering agent.

Typically appears as a white crystalline powder.

CHES buffers have a useful range of pH 8.6–10.

External links

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