239782
CAPS
ULTROL® Grade, ≥99% (HPLC), zwitterionic buffer useful in pH range 7.9-11.1
Synonym(s):
CAPS, ULTROL® Grade, 3-(Cyclohexylamino)propanesulfonic Acid
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About This Item
Empirical Formula (Hill Notation):
C9H19NO3S
CAS Number:
Molecular Weight:
221.32
UNSPSC Code:
12161703
NACRES:
NA.25
MDL number:
description
Merck USA index - 14, 1767
Quality Level
assay
≥99% (HPLC)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
color
white
pKa (25 °C)
10.0-10.6
solubility
water: 20 mg/mL
cation traces
heavy metals: ≤1 ppm
shipped in
ambient
storage temp.
15-25°C
SMILES string
[S](=O)(=O)([O-])CCC[N+H2]C1CCCCC1
InChI
1S/C9H19NO3S/c11-14(12,13)8-4-7-10-9-5-2-1-3-6-9/h9-10H,1-8H2,(H,11,12,13)
InChI key
PJWWRFATQTVXHA-UHFFFAOYSA-N
General description
A zwitterionic buffer that is useful in the pH 7.9-11.1 range. Has a pKa of 10.0-10.6 at 25°C.
Absorbance (100 mM, 260 nm):≤0.05.
Biological buffer (absorbance: <0.05 at 260 nm, 100 mM; pKa: 10.0-10.6 at 25°C).
Preparation Note
Following reconstitution, store at room temperature (20°C). Stock solutions are stable for up to 6 months at room temperature.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
ULTROL is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Standard Handling (A)
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Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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