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Merck
CN

29325

CAPSO

≥99.0% (T)

Synonym(s):

3-(Cyclohexylamino)-2-hydroxy-1-propanesulfonic acid, CAPSO Free Acid

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About This Item

Empirical Formula (Hill Notation):
C9H19NO4S
CAS Number:
73463-39-5
Molecular Weight:
237.32
UNSPSC Code:
12161700
Beilstein/REAXYS Number:
5939234
MDL number:
MFCD00041778

Key Documents

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assay

≥99.0% (T)

impurities

≤1% water

pH

2.5-4.0 (1 g/10 mL in H2O)

useful pH range

8.9-10.3

pKa (25 °C)

9.6

solubility

H2O: 0.1 g/mL, clear, colorless

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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Other Notes

Efficient blotting of strongly basic proteins from SDS-polyacrylamide gels to nitrocellulose

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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B Szewczyk et al.
Analytical biochemistry, 150(2), 403-407 (1985-11-01)
An improved procedure for the electrophoretic transfer of strongly basic proteins from sodium dodecyl sulfate-polyacrylamide gels to nitrocellulose is described. The use of more alkaline transfer buffers and the omission of an equilibration step before the transfer allow for the

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