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29337

Sigma-Aldrich

CAPS

BioUltra, ≥99.0% (TLC)

Synonym(s):

3-(Cyclohexylamino)-1-propanesulfonic acid

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About This Item

Linear Formula:
C6H11NH(CH2)3SO3H
CAS Number:
Molecular Weight:
221.32
Beilstein:
2835588
EC Number:
MDL number:
UNSPSC Code:
12161700
PubChem Substance ID:
NACRES:
NA.25

product line

BioUltra

Assay

≥99.0% (TLC)

form

powder

impurities

insoluble matter, passes filter test

ign. residue

≤0.1%

loss

≤1% loss on drying, 110 °C

pH

3.5-6.0 (0.5 M in H2O)

pKa 

10.4

mp

>300 °C (lit.)

solubility

H2O: 0.5 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤150 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.5 M in H2O

UV absorption

λ: 260 nm Amax: ≤0.04
λ: 280 nm Amax: ≤0.04

SMILES string

OS(=O)(=O)CCCNC1CCCCC1

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

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Other Notes

Buffer for studying pH-dependent processes in enzymology; Eluent buffer component in the separation of basic drugs by HPLC

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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R.M. Smith et al.
Journal of Chromatography A, 514, 97-97 (1990)
Frances E Lock et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(34), E3534-E3543 (2014-08-13)
Remnants of ancient transposable elements (TEs) are abundant in mammalian genomes. These sequences harbor multiple regulatory motifs and hence are capable of influencing expression of host genes. In response to environmental changes, TEs are known to be released from epigenetic
Buffers of constant ionic strength for studying pH-dependent processes.
K J Ellis et al.
Methods in enzymology, 87, 405-426 (1982-01-01)
Yi-Hsun Chang et al.
The Journal of biological chemistry, 282(47), 34306-34314 (2007-09-26)
3alpha-hydroxysteroid dehydrogenase/carbonyl reductase from Comamonas testosteroni catalyzes the oxidation of androsterone with NAD(+) to form androstanedione and NADH with a concomitant releasing of protons to bulk solvent. To probe the proton transfer during the enzyme reaction, we used mutagenesis, chemical
Els P M van Meijel et al.
BMC psychiatry, 15, 113-113 (2015-05-13)
Children and their parents are at risk of posttraumatic stress disorder (PTSD) following injury due to pediatric accidental trauma. Screening could help predict those at greatest risk and provide an opportunity for monitoring so that early intervention may be provided.

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