3-[(3-Cholamidopropyl)dimethylammonio]-1-propansulfonat (CHAPS) ≥98%, weißes Pulver

Lieferant: MP Biomedicals
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Synonyme: 3-[(3-Cholamidopropyl)dimethylammonio]-1-propanesulphonate, CHAPS

0219031901 0219031905 0219031925 0219031980
ICNA0219031901EA 70 EUR
ICNA0219031901 ICNA0219031905 ICNA0219031925 ICNA0219031980
3-[(3-Cholamidopropyl)dimethylammonio]-1-propansulfonat (CHAPS) ≥98%, weißes Pulver
3-[(3-Cholamidopropyl)dimethylammonio]-1-propansulfonat (CHAPS)

CHAPS is a nondenaturing zwitterionic detergent for solubilizing membrane proteins and breaking protein-protein interactions. Combines the useful properties of both the sulfobetaine-type and the bile salt detergents.


  • pH: 4.0 - 7.0 (10% aq soln)
  • Aggregation Number: 4-14 (0-0.1 M Na+)
  • Critical Micelle Concentration (CMC): 6-10 mM


CHAPS is commonly used for protein solubilization in isoelectric focusing and two-dimensional electrophoresis especially for non-denaturing (without urea) isoelectric focusing. CHAPS has been shown to give excellent resolution of some subcellular preparations and plant proteins. Its small micellar molecular weight (6150) and high CMC (6-10 mM) allow it to be removed from samples by dialysis. Can be used as a non-toxic stabilizing agent for growth factors.


Soluble in water (100 mg/ml - clear, colorless to slightly yellow solution).


Bitte beachten Research Use Only (RUO).

Formel: C₃₂H₅₈N₂O₇S
Molekulargewicht: 614.89 g/mol
Schmelzpunkt: 265 °C (Lit.)
Lagerungstemperatur: Raumtemperatur
MDL Number: MFCD00081083
CAS-Nummer: 75621-03-3
Merck Index: 13,02052

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Spezifikation Testergebnisse

Identity Test Passes
Purity ≥98%
FTIR Conforms to Standard
OD400 (5% aq soln) Report Result
OD290 (5% aq soln) Report Result


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