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CAPS (buffer)

From HandWiki - Reading time: 2 min

CAPS[1]
CAPS buffer.png
Names
Preferred IUPAC name
3-(Cyclohexylamino)propane-1-sulfonic acid
Identifiers
3D model (JSmol)
ChemSpider
DrugBank
EC Number
  • 214-492-1
UNII
Properties
C9H19NO3S
Molar mass 221.32 g/mol
Melting point >300 °C
Acidity (pKa) 10.4[2]
Hazards
GHS pictograms GHS07: Harmful
GHS Signal word Warning
H302, H315, H319, H335
P261, P264, P270, P271, P280, P301+312, P302+352, P304+340, P305+351+338, P312, P321, P330, P332+313, P337+313, P362, P403+233, P405, P501
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

CAPS is the common name for N-cyclohexyl-3-aminopropanesulfonic acid, a chemical used as buffering agent in biochemistry. The similar substance N-cyclohexyl-2-hydroxyl-3-aminopropanesulfonic acid (CAPSO) is also used as buffering agent in biochemistry. Its useful pH range is 9.7-11.1.

See also

References

  1. CAPS at Sigma-Aldrich
  2. Esplin, Taran L.; Cable, Morgan L.; Gray, Harry B.; Ponce, Adrian (2010). "Terbium-Macrocycle Complexes as Chemical Sensors: Detection of an Aspirin Metabolite in Urine Using a Salicylurate-Specific Receptor Site". Inorganic Chemistry 49 (10): 4643–4647. doi:10.1021/ic1003066. 
    Tabata, Masaaki; Habib, Ahsan; Watanabe, Keiichi (2005). "DNA Cleavage by Good’s Buffers in the Presence of Au(III)". Bulletin of the Chemical Society of Japan 78 (7): 1263–1269. doi:10.1246/bcsj.78.1263. 





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