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C2278
CAPSO
≥99% anhydrous basis (titration)
Synonym(s):
3-(Cyclohexylamino)-2-hydroxy-1-propanesulfonic acid, CAPSO Free Acid
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25 G
CLP 51,200
100 G
CLP 148,000
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CLP 476,000
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CLP 804,000
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25 G
CLP 51,200
100 G
CLP 148,000
500 G
CLP 476,000
1 KG
CLP 804,000
About This Item
Empirical Formula (Hill Notation):
C9H19NO4S
CAS Number:
Molecular Weight:
237.32
Beilstein:
5939234
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25
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Quality Level
Assay
≥99% anhydrous basis (titration)
form
crystalline powder
pH
2.5-4.0
useful pH range
8.9-10.3
pKa (25 °C)
9.6
solubility
water: 0.111 g/mL, clear, colorless
application(s)
diagnostic assay manufacturing
SMILES string
OC(CNC1CCCCC1)CS(O)(=O)=O
InChI
1S/C9H19NO4S/c11-9(7-15(12,13)14)6-10-8-4-2-1-3-5-8/h8-11H,1-7H2,(H,12,13,14)
InChI key
INEWUCPYEUEQTN-UHFFFAOYSA-N
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General description
CAPSO is a useful secondary standard buffer. Second dissociation constant pK2 value of CAPSO has been measured.[1] Useful pH range for CAPSO is 8.9 - 10.3.
Application
CAPSO was used as biological buffer in the following studies:
- To maintain pH 9 during water leach test for the analysis of high-carbon coal fly ash-soil mixtures.[2]
- Chemiluminescent in situ hybridization using soybean peroxidase-labeled peptide nucleic acid (PNA) probes.[3] I
- Preparation of planar bilayer lipid membranes.[4]
Storage Class Code
11 - 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
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Customers Also Viewed
H Stender et al.
Applied and environmental microbiology, 67(1), 142-147 (2001-01-03)
A new chemiluminescent in situ hybridization (CISH) method provides simultaneous detection, identification, and enumeration of culturable Escherichia coli cells in 100 ml of municipal water within one working day. Following filtration and 5 h of growth on tryptic soy agar
Evaluation of leaching protocols for testing of high-carbon coal fly ash-soil mixtures.
Becker J, et al.
Journal of Environmental Engineering (New York, N.Y.), 139(5), 642-653 (2012)
P I Bauer et al.
The Biochemical journal, 270(1), 17-26 (1990-08-15)
The macromolecular self-association of ADP-ribosyltransferase protein in solution was studied by several experimental techniques: quantitative gel filtration, electrophoretic analyses in non-denaturing gels, and cross-linking the enzyme protein with glutaraldehyde, dimethyl pimelimidate, dimethyl suberimidate, dimethyl 3,3'-dithiobisproprionimidate and tetranitromethane. The self-association of
Second dissociation constants of 3-(cyclohexylamino)-1-propanesulfonic acid (CAPS) and 3-(cyclohexylamino)-2-hydroxy-1-propanesulfonic acid (CAPSO) from the temperatures 278.15 K to 328.15 K.
Roy RN, et al.
The Journal of Chemical Thermodynamics, 29(7), 749-756 (1997)
Andreas Missner et al.
The Journal of biological chemistry, 283(37), 25340-25347 (2008-07-12)
Several membrane channels, like aquaporin-1 (AQP1) and the RhAG protein of the rhesus complex, were hypothesized to be of physiological relevance for CO(2) transport. However, the underlying assumption that the lipid matrix imposes a significant barrier to CO(2) diffusion was
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