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CHAPS

Cat No.:V29423 Purity: ≥98%
CHAPS, an analogue of Cholic acid, is a zwitterionic detergent that solubilizes membrane proteins.
CHAPS
CHAPS Chemical Structure CAS No.: 75621-03-3
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
Size Price Stock Qty
5g
Other Sizes

Other Forms of CHAPS:

  • CHAPS hydrate
Official Supplier of:
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Top Publications Citing lnvivochem Products
Purity & Quality Control Documentation

Purity: =98.50%

Product Description
CHAPS, an analogue of Cholic acid, is a zwitterionic detergent that solubilizes membrane proteins. CHAPS are used to stabilize a variety of protein-DNA complexes and can preserve the biochemical activity of proteins in solution.
CHAPS (CAS# 75621-03-3), or 3-[(3-cholamidopropyl)dimethylammonio]-1-propanesulfonate, is a zwitterionic detergent that is non-denaturing and widely used for solubilizing membrane proteins. It has a molecular weight of 614.88 and a molecular formula of C₃₂H₅₈N₂O₇S. CHAPS is used for denaturing cell lysis, extracting RNA and DNA, and solubilizing membrane proteins while preserving their native structure and function.
Biological Activity I Assay Protocols (From Reference)
Targets
CHAPS does not have a specific pharmacological target. It is a biochemical reagent used to solubilize membrane proteins and disrupt protein-protein interactions. Its mechanism of action is based on its detergent properties, which allow it to interact with hydrophobic regions of membrane proteins and lipids, forming micelles that solubilize membrane components.
ln Vitro
CHAPS (0.5 %) can maintain the complex between DNA and DNA-binding factors (such as AP-1, SPI, GATA-1 and alpha regulatory factor ISGF3) and retain its biological activity [2]. CHAPS suppresses mononucleosome dissociation at subnanomolar doses of cytokines [2].
In vitro, CHAPS is used as a non-denaturing zwitterionic detergent for the solubilization of membrane proteins. It is effective at disrupting cell membranes and solubilizing membrane proteins while preserving their native conformation and activity. It is also used for denaturing cell lysis and extracting RNA and DNA. Its mild, non-denaturing properties make it suitable for sensitive biochemical assays.
ln Vivo
In vivo, CHAPS is not administered as a therapeutic agent. Its utility is limited to in vitro applications such as protein solubilization, cell lysis, and biochemical assays. It is not used in vivo for pharmacological purposes.
Enzyme Assay
In vitro assays with CHAPS involve the solubilization of membrane proteins from cell membranes or tissue homogenates. Samples are incubated with CHAPS at concentrations typically ranging from 0.1% to 2% (w/v) in buffer. The detergent disrupts lipid bilayers and solubilizes membrane proteins, which can then be analyzed by SDS-PAGE, Western blotting, or used in functional assays such as enzyme activity measurements or receptor binding studies.
Cell Assay
CHAPS is used in cell lysis buffers for the extraction of proteins, RNA, and DNA from cultured cells. Cells are harvested and lysed in buffer containing CHAPS at concentrations of 0.5-2% (w/v) along with protease and nuclease inhibitors. The lysate is centrifuged, and the supernatant containing solubilized proteins, RNA, or DNA is collected for downstream applications such as immunoprecipitation, Western blotting, or PCR.
Animal Protocol
CHAPS is not used in in vivo animal studies as a therapeutic agent. It may be used in ex vivo applications for the solubilization of proteins from tissues harvested from animal studies.
ADME/Pharmacokinetics
CHAPS is a biochemical reagent and does not have pharmacokinetic properties as a drug. It is not administered systemically.
Toxicity/Toxicokinetics
CHAPS is a biochemical reagent and is not intended for human consumption. It may cause skin and eye irritation. Standard laboratory safety precautions should be followed.
References

[1]. Thermodynamic characterization of 3-[(3-cholamidopropyl)-dimethylammonium]-1-propanesulfonate (CHAPS) micellization using isothermal titration calorimetry: temperature, salt, and pH dependence. Langmuir. 2012 Jul 17;28(28):10363-71.

[2]. Nucleosomes structure and dynamics: effect of CHAPS. Int J Biochem Mol Biol. 2011;2(2):129-137.

Additional Infomation
3-[(3-cholamidopropyl)dimethylammonium]propane-1-sulfonate is an ammonium betaine. It is functionally related to cholic acid. It is the conjugate base of 3-[(cholamidopropyl)dimethylammonium]-1-propanesulfonate.
CHAPS is a non-denaturing zwitterionic detergent used for solubilizing membrane proteins. It has a molecular weight of 614.88 and formula C₃₂H₅₈N₂O₇S. It is not a drug and has no clinical approval.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C32H58N2O7S
Molecular Weight
614.8771
Exact Mass
614.396
CAS #
75621-03-3
Related CAS #
CHAPS hydrate;331717-45-4
PubChem CID
107670
Appearance
White to off-white solid powder
Density
1.01 g/mL at 20ºC
Melting Point
156-158ºC
Index of Refraction
1.6900 (estimate)
LogP
-4.32
Hydrogen Bond Donor Count
4
Hydrogen Bond Acceptor Count
7
Rotatable Bond Count
11
Heavy Atom Count
42
Complexity
1030
Defined Atom Stereocenter Count
11
SMILES
C[C@H](CCC(=O)NCCC[N+](C)(C)CCCS(=O)(=O)[O-])[C@H]1CC[C@@H]2[C@@]1([C@H](C[C@H]3[C@H]2[C@@H](C[C@H]4[C@@]3(CC[C@H](C4)O)C)O)O)C
InChi Key
UMCMPZBLKLEWAF-BCTGSCMUSA-N
InChi Code
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
Chemical Name
3-[dimethyl-[3-[[(4R)-4-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-trihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoyl]amino]propyl]azaniumyl]propane-1-sulfonate
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
H2O : ~83.33 mg/mL (~135.52 mM)
Solubility (In Vivo)
Solubility in Formulation 1: 10 mg/mL (16.26 mM) in PBS (add these co-solvents sequentially from left to right, and one by one), clear solution; with sonication.

 (Please use freshly prepared in vivo formulations for optimal results.)
Preparing Stock Solutions 1 mg 5 mg 10 mg
1 mM 1.6263 mL 8.1317 mL 16.2633 mL
5 mM 0.3253 mL 1.6263 mL 3.2527 mL
10 mM 0.1626 mL 0.8132 mL 1.6263 mL

*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
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  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
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  • Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.
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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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Calculation results

Working concentration mg/mL;

Method for preparing DMSO stock solution mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.

Method for preparing in vivo formulation:Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O,mix and clarify.

(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
             (2) Be sure to add the solvent(s) in order.

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