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Cat. No. M4837
Captisol Structure


Size Price Availability Quantity
1g USD 80 In stock
5g USD 155 In stock
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Quality Control
Biological Activity

Captisol is a unique reproducible mixture of polyanionic β-cyclodextrin derivatives in which a sodium sulfonate salt is tethered to the lipophilic cyclodextrin cavity by a butyl ether group, or sulfobutylether (SBE). The sulfobutyl ether (SBE) substituent is introduced at the 2, 3, and 6 positions in one or more of the glucopyranose units in the cyclodextrin structure. 

Cell Experiment
Cell lines Caco-2 cells
Preparation method The cells were then preincubated for 30 min without Nos solution+permeation enhancer CH or CP and then incubated for 120 min at 37 ℃ with the Nos solution (50 mg/ml)+permeation enhancer CH or CP.
Concentrations 50 mg/ml
Incubation time 2 h
Animal Experiment
Animal models pig
Formulation 10-mL solution composed of 25% water and 75% PEG400
Dosages 5 mg/kg
Administration bolus infusions
Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Chemical Information
Molecular Weight 1451.29
Formula C50H84Na2O41S2
CAS Number 182410-00-0
Purity >99%
Solubility Water > 100 mg/ml
Storage at -20°C
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Abmole Inhibitor Catalog 2017

Keywords: Captisol, SBE-β-CD;Sulfobutylether-β-Cyclodextrin supplier, inhibitors

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