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Protein purification | Protein separation | Protein solubilization
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Assay (titr.): ≥ 98% | CAS No: 75621-03-3 | Molecular formula: C32H58N2O7S

Hopax is a manufacturer and supplier of CHAPS (CAS 75621-03-3), a zwitterionic detergent widely used for protein preparation, solubilization and separation.

Uses of CHAPS detergent:

  • CHAPS is a non-denaturing detergent for the solubilization of membrane proteins and breaking protein-protein interactions. The structure of this surfactant combines the useful properties of both the sulfobetaine-type and the bile salt detergents.
  • Suitable for protein solubilization for isoelectric focusing (IEF).
  • Commonly used for non-denaturing IEF.
  • Used in two-dimensional electrophoresis.
  • Works as a non-toxic stabilizing agent for growth factors.


  • Concentrations between 2-4% (w/v) are typically used in an IEF gel.
  • With the characteristics of small micellar molecular weight and high critical micelle concentration (6-10 mM), CHAPS can be removed from the samples by dialysis.


  • Store at room temperature
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Thông tin cơ bản


Assay (titration)

≥ 98%


White powder

Molecular formula


Molecular weight

614.89 g/mol

Cloud point

> 100°C


6 mM (20-25°C)

Customized specifications are available for bulk requests. Contact us to discuss your requirements.

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Synonyms / Similar names:

  • 3-[(3-Cholamidopropyl)dimethylammonio]-1-propanesulfonate hydrate
  • 3-[(3-cholamidopropyl)dimethyl-ammonio]-1-propane sulfonate
  • zwitterionic, 3-[(3-cholamidopropyl)dimethyl-ammonio]-1-propane sulfonate

What we offer:

  • Worldwide shipping
  • Certificate of Analysis (CoA)
  • Safety Data Sheet (SDS)
  • Analytical tests (DNase, RNase, protease activity, heavy metals and others upon request)

Lead time:

  • 15 business days after order confirmation

Related products:
Hopax is also a manufacturer of CHAPSO.