Date published: 2025-10-19

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CHAPS (CAS 75621-03-3)

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Alternate Names:
3-[(3-cholamidopropyl)dimethylammonio]-2-hydroxy-1-propanesulfonate; 3-[(3-Cholamidopropyl)dimethylammonio]-1-propanesulphonate
Application:
CHAPS is a non-denaturing, zwitterionic detergent for membrane proteins
CAS Number:
75621-03-3
Purity:
≥99%
Molecular Weight:
614.87
Molecular Formula:
C32H58N2O7S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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CHAPS is a non-denaturing, zwitterionic detergent derived from cholic acid. It is often used as a detergent in the solubilization and purification of membrane proteins for several advantageous reasons. CHAPS detergent is non-denaturing to membrane proteins, can solubilize proteins, disaggregates protein-protein interactions, and is electrically neutral. CHAPS is also useful in ion exchange chromatography and isoelectric focusing as it is zwitterionic and does not exhibit a net charge between pH 2 to 12. The critical micelle concentration of CHAPS is 6-10mM.


CHAPS (CAS 75621-03-3) References

  1. Characterization of solubilized opioid receptors: reconstitution and uncoupling of guanine nucleotide-sensitive agonist binding.  |  Ofri, D., et al. 1992. J Neurochem. 58: 628-35. PMID: 1309566
  2. Verification of surfactant CHAPS effect using AFM for making biomemory device consisting of recombinant azurin monolayer.  |  Lee, T., et al. 2010. Ultramicroscopy. 110: 712-7. PMID: 20206446
  3. The CHAPS, SIFTER, and TAPS-R as predictors of (C)AP skills and (C)APD.  |  Wilson, WJ., et al. 2011. J Speech Lang Hear Res. 54: 278-91. PMID: 20689023
  4. Behavior of the amphiphile CHAPS alone and in combination with the biopolymer inulin in water and isopropanol-water media.  |  Naskar, B., et al. 2011. Langmuir. 27: 9148-59. PMID: 21667919
  5. The complex interactions of Chs5p, the ChAPs, and the cargo Chs3p.  |  Rockenbauch, U., et al. 2012. Mol Biol Cell. 23: 4402-15. PMID: 23015758
  6. Comparative study of the interaction of CHAPS and Triton X-100 with the erythrocyte membrane.  |  Rodi, PM., et al. 2014. Biochim Biophys Acta. 1838: 859-66. PMID: 24239862
  7. CHAPS solubilization of a G-protein sensitive 5-HT1A receptor from bovine hippocampus.  |  Kline, T., et al. 1989. Life Sci. 45: 1997-2005. PMID: 2532283
  8. Solid phase extraction of the zwitterionic detergent chaps.  |  Hall, SW. and VandenBerg, SR. 1989. Prep Biochem. 19: 1-11. PMID: 2740288
  9. Crystal structure of the EnvZ periplasmic domain with CHAPS.  |  Hwang, E., et al. 2017. FEBS Lett. 591: 1419-1428. PMID: 28423182
  10. The Fluidity of Phosphocholine and Maltoside Micelles and the Effect of CHAPS.  |  Kieber, M., et al. 2019. Biophys J. 117: 2240. PMID: 31735325
  11. A comprehensive hospital agile preparedness (CHAPs) tool for pandemic preparedness, based on the COVID-19 experience.  |  Adelaja, I., et al. 2020. Future Healthc J. 7: 165-168. PMID: 32550286
  12. Quality and extent of implementation of a nurse-led care management intervention: care coordination for health promotion and activities in Parkinson's disease (CHAPS).  |  Connor, KI., et al. 2020. BMC Health Serv Res. 20: 732. PMID: 32778083
  13. Stakeholder perceptions of components of a Parkinson disease care management intervention, care coordination for health promotion and activities in Parkinson's disease (CHAPS).  |  Connor, KI., et al. 2020. BMC Neurol. 20: 437. PMID: 33267827
  14. Compression Hosiery to Avoid Post-Thrombotic Syndrome (CHAPS) Trial.  |  Lawton, R., et al. 2022. Eur J Vasc Endovasc Surg. 64: 431-432. PMID: 35961624
  15. A nondenaturing zwitterionic detergent for membrane biochemistry: design and synthesis.  |  Hjelmeland, LM. 1980. Proc Natl Acad Sci U S A. 77: 6368-70. PMID: 6935651

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

CHAPS, 10 g

sc-29088
10 g
$219.00

CHAPS, 25 g

sc-29088A
25 g
$420.00

CHAPS, 50 g

sc-29088B
50 g
$663.00

Hello, is CHAPS products ( sc-29088) animal origin free? Thank you,

Asked by: Plamena Garvin
Thank you for your question. This is not animal origin free. Please contact our Technical Service Department to request additional information about the native source for a specific or recent lot.
Answered by: Technical Support
Date published: 2019-05-28
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Rated 5 out of 5 by from BarnadasBarnadas-Rodr guez R; et al. (PubMed ID: 26244704)CHAPS is a zwitterionic surfactant derived from bile salts, most commonly used in protein purification. -SCBT Publication Review
Date published: 2015-06-05
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CHAPS is rated 5.0 out of 5 by 1.
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