CHAPS detergent

CHAPS detergent
Names
	IUPAC name 3-{Dimethyl[3-(3α,7α,12α-trihydroxy-5β-cholan-24-amido)propyl]azaniumyl}propane-1-sulfonate
	Systematic IUPAC name 3-[Dimethyl(3-{(4R)-4-[(1'R,3aS,3bR,4R,5aS,7R,9aS,9bS,11S,11aR)-4,7,11-trihydroxy-9a,11a-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]pentanamido}propyl)azaniumyl]propane-1-sulfonate
	Other names 3-[(3-Cholamidopropyl)dimethylammonio]-1-propanesulfonate
Identifiers
CAS Number	75621-03-3 ;
3D model (JSmol)	Interactive image; Interactive image;
Abbreviations	CHAPS
ChEMBL	ChEMBL450950 ;
ChemSpider	96843 ;
KEGG	C11321 ;
MeSH	3-((3-Cholamidopropyl)dimethylammonium)-1-propanesulfonate
PubChem CID	107670; 24883538 (),(5R,7S,; 16S); 10371606 (),(1S,5R,11S,; 16S); 25244640 (4R),(2S,5R,7S,; 15R,16S); 18397788 (4R),(2S,5R,; 14R,15R,16S); 9895216 (4S),; (2S,5R,14R,15S,16S);
UNII	QBP25342AG ;
	InChI InChI=1S/C32H58N2O7S/c1-21(8-11-29(38)33-14-6-15-34(4,5)16-7-17-42(39,40)41)24-9-10-25-30-26(20-28(37)32(24,25)3)31(2)13-12-23(35)18-22(31)19-27(30)36/h21-28,30,35-37H,6-20H2,1-5H3,(H-,33,38,39,40,41) Key: UMCMPZBLKLEWAF-UHFFFAOYSA-N ; InChI=1/C32H58N2O7S/c1-21(8-11-29(38)33-14-6-15-34(4,5)16-7-17-42(39,40)41)24-9-10-25-30-26(20-28(37)32(24,25)3)31(2)13-12-23(35)18-22(31)19-27(30)36/h21-28,30,35-37H,6-20H2,1-5H3,(H-,33,38,39,40,41)/t21-,22+,23-,24-,25+,26+,27-,28+,30+,31+,32-/m1/s1 Key: UMCMPZBLKLEWAF-BCTGSCMUBQ; InChI=1S/C32H58N2O7S/c1-21(8-11-29(38)33-14-6-15-34(4,5)16-7-17-42(39,40)41)24-9-10-25-30-26(20-28(37)32(24,25)3)31(2)13-12-23(35)18-22(31)19-27(30)36/h21-28,30,35-37H,6-20H2,1-5H3,(H-,33,38,39,40,41)/t21-,22+,23-,24-,25+,26+,27-,28+,30+,31+,32-/m1/s1 Key: UMCMPZBLKLEWAF-BCTGSCMUSA-N;
	SMILES CC(CCC(=O)NCCC[N+](C)(C)CCCS([O-])(=O)=O)C1CCC2C3C(O)CC4CC(O)CCC4(C)C3CC(O)C12C; [O-]S(=O)(=O)CCC[N+](C)(C)CCCNC(=O)CC[C@@H](C)[C@H]4CC[C@H]3[C@H]2[C@@H]([C@@]1([C@@H](C[C@H](O)CC1)C[C@H]2O)C)C[C@H](O)[C@@]34C;
Properties
Chemical formula	C32H58N2O7S
Molar mass	614.88 g·mol−1
log P	−4.32 (predicted)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Template:Chembox CMC HLB (set)

CHAPS is a zwitterionic surfactant used in the laboratory to solubilize biological macromolecules such as proteins. It may be synthesized from cholic acid^[1] and is zwitterionic due to its quaternary ammonium and sulfonate groups; it is structurally similar to certain bile acids, such as taurodeoxycholic acid and taurochenodeoxycholic acid. It is used as a non-denaturing detergent in the process of protein purification and is especially useful in purifying membrane proteins, which are often sparingly soluble or insoluble in aqueous solution due to their native hydrophobicity.^[2]

CHAPS is an abbreviation for 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate. A related detergent, called CHAPSO, has the same basic chemical structure with an additional hydroxyl functional group; its full chemical name is 3-[(3-cholamidopropyl)dimethylammonio]-2-hydroxy-1-propanesulfonate. Both detergents have low light absorbance in the ultraviolet region of the electromagnetic spectrum, which is useful for monitoring ongoing chemical reactions or protein-protein binding with UV/Vis spectroscopy.

References

↑ Hjelmeland, LM (November 1980). "A nondenaturing zwitterionic detergent for membrane biochemistry: design and synthesis.". Proceedings of the National Academy of Sciences of the United States of America 77 (11): 6368–70. doi:10.1073/pnas.77.11.6368. PMID 6935651. Bibcode: 1980PNAS...77.6368H.
↑ Cladera, Josep; Ricaud, Jean-Louis; Verde, Joaquim Villa; DuNach, Mireia (1997). "Liposome Solubilization and Membrane Protein Reconstitution Using Chaps and Chapso". European Journal of Biochemistry 243 (3): 798–804. doi:10.1111/j.1432-1033.1997.00798.x. PMID 9057848.

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[1] Hjelmeland, LM (November 1980). "A nondenaturing zwitterionic detergent for membrane biochemistry: design and synthesis.". Proceedings of the National Academy of Sciences of the United States of America 77 (11): 6368–70. doi:10.1073/pnas.77.11.6368. PMID 6935651. Bibcode: 1980PNAS...77.6368H.

[CladeraRicaud1997-2] Cladera, Josep; Ricaud, Jean-Louis; Verde, Joaquim Villa; DuNach, Mireia (1997). "Liposome Solubilization and Membrane Protein Reconstitution Using Chaps and Chapso". European Journal of Biochemistry 243 (3): 798–804. doi:10.1111/j.1432-1033.1997.00798.x. PMID 9057848.

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CHAPS detergent

Topic: Chemistry

See also

References