Methyl-β-cyclodextrin

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Methyl-β-cyclodextrin
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Size Price Stock
25g$1003-6 Days
50g$1503-6 Days
100g$2503-6 Days
200g$4503-6 Days

Cat #: V33326 CAS #: 128446-36-6 Purity ≥ 99%

Description: Methyl-β-cyclodextrin, the randomly methylated form of β-cyclodextrin, is a cyclic heptasaccharide used to improve the water solubility of non-polar compounds such as fatty acids, lipids, vitamins and cholesterol for use in cell culture applications and to extract cholesterol from lipid membranes. As a cyclic heptasaccharide, it can also be used to deliver hydrophobic drugs based on its property of solubilizing non-polar substances. Methyl-β-cyclodextrin is also extensively used as a cholesterol-depleting reagent. Methyl-β-cyclodextrin strongly reduces clathrin-dependent endocytosis.

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Molecular Weight (MW)1303.303
Molecular FormulaC54H94O35 
CAS No.128446-36-6
ProtocolIn VitroCyclodextrins are a family of cyclic oligosaccharides with a hydrophilic outer surface and a lipophilic central cavity. Cyclodextrins molecules are relatively large with a number of hydrogen donors and acceptors and, thus in general, they do not permeate lipophilic membranes. In the pharmaceutical industry, cyclodextrins have mainly been used as complexing agents to increase aqueous solubility of poorly soluble drugs and to increase their bioavailability and stability. Cyclodextrins are used in pharmaceutical applications for numerous purposes, including improving the bioavailability of drugs[2]. Methyl-β-cyclodextrin quickly induces caspase-dependent apoptosis in PEL cells via cholesterol depletion from the plasma membrane. Methyl-β-cyclodextrin inhibits the growth of all PEL cell lines in a dose-dependent manner. The IC50 is 3.33-4.23 mM in each cell line[1]. Methyl-b-cyclodextrin is a highly water soluble cyclic heptasaccharide consisting of a β-glucopyranose unit, has been reported as the most effective agent for the depletion of cholesterol from cells among the various cholesterol-depleting agents[1].
In VivoIn a PEL xenograft mouse model, methyl-b-cyclodextrin significantly inhibits the growth and invasion of PEL cells without apparent adverse effects. Methyl-b-cyclodextrin-treated mice appears to be healthy, whereas non-treated mice has a distended abdominal region. The body weights of control are significantly higher than those of M-b-CyD treated mice. Methyl-b-cyclodextrin-treated mice has a significantly lower volume of ascites than that of non-treated mice[1]. Studies in both humans and animals have shown that cyclodextrins can be used to improve drug delivery from almost any type of drug formulation. Currently, there are approximately 30 different pharmaceutical products worldwide containing drug/cyclodextrins complexes in the market[2].
These protocols are for reference only. InvivoChem does not independently validate these methods.
Preparing Stock Solutions
Solvent volume to be added Mass (the weight of a compound)
Mother liquor concentration 1mg5mg10mg20mg
1mM0.7673 mL3.8364 mL7.6728 mL15.3456 mL
5mM0.1535 mL0.7673 mL1.5346 mL3.0691 mL
10mM0.0767 mL0.3836 mL0.7673 mL1.5346 mL
20mM0.0384 mL0.1918 mL0.3836 mL0.7673 mL
The molarity calculator equation
Mass(g) = Concentration(mol/L) × Volume(L) × Molecular Weight(g/mol)
Mass
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Concentration
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Volume
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Molecular Weight*
The dilution calculator equation
Concentration(start) × Volume(start) = Concentration(final) × Volume(final)

This equation is commonly abbreviated as: C1 V1 = C2 V2

Concentration(start)
C1
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Volume(start)
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=
Concentration(final)
C2
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Volume(final)
V2
Step One: Enter information below
Dosage mg/kg Average weight of animals g Dosing volume per animal µL Number of animals
Step Two: Enter the in vivo formulation
%DMSO + % + %Tween 80 + %ddH2O

Calculation Results:
Working concentration: mg/ml;
Method for preparing DMSO master liquid: mg drug pre-dissolved in µL DMSO(Master liquid 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 master liquid, next add µL PEG300, mix and clarify, next add µL Tween 80,mix and clarify, next add µL ddH2O,mix and clarify.
Note:
  • (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.