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Merck
모든 사진(3)

문서

H0513

Sigma-Aldrich

Heptakis(2,6-di-O-methyl)-β-cyclodextrin

동의어(들):

DM-β-CD, DM‐β‐CyD, heptakis-(2,6-O-Dimethyl)-β-cyclodextrin, 2,6-Di-O-methyl-β-cyclodextrin, Dimethyl β-cyclodextrin

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About This Item

실험식(Hill 표기법):
C56H98O35
CAS Number:
Molecular Weight:
1331.36
Beilstein:
1679144
MDL number:
UNSPSC 코드:
12352005
PubChem Substance ID:
NACRES:
NA.22

생물학적 소스

synthetic

형태

powder

SMILES string

COC[C@H]1O[C@@H]2O[C@H]3[C@H](O)[C@@H](OC)[C@H](O[C@@H]3COC)O[C@H]4[C@H](O)[C@@H](OC)[C@H](O[C@@H]4COC)O[C@H]5[C@H](O)[C@@H](OC)[C@H](O[C@@H]5COC)O[C@H]6[C@H](O)[C@@H](OC)[C@H](O[C@@H]6COC)O[C@H]7[C@H](O)[C@@H](OC)[C@H](O[C@@H]7COC)O[C@H]8[C@H](O)[C@@H](OC)[C@H](O[C@@H]8COC)O[C@H]1[C@H](O)[C@H]2OC

InChI

1S/C56H98O35/c1-64-15-22-36-29(57)43(71-8)50(78-22)86-37-23(16-65-2)80-52(45(73-10)30(37)58)88-39-25(18-67-4)82-54(47(75-12)32(39)60)90-41-27(20-69-6)84-56(49(77-14)34(41)62)91-42-28(21-70-7)83-55(48(76-13)35(42)63)89-40-26(19-68-5)81-53(46(74-11)33(40)61)87-38-24(17-66-3)79-51(85-36)44(72-9)31(38)59/h22-63H,15-21H2,1-14H3/t22-,23-,24-,25-,26-,27-,28-,29+,30+,31+,32+,33+,34+,35+,36-,37-,38-,39-,40-,41-,42-,43-,44-,45-,46-,47-,48-,49-,50-,51-,52-,53-,54-,55-,56-/m1/s1

InChI key

QGKBSGBYSPTPKJ-UZMKXNTCSA-N

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일반 설명

Heptakis(2,6-di-O-methyl)-β-cyclodextrin is a hydrophilic derivative of cyclodextrin that possesses the ability to effectively dissolve lipophilic drugs like steroid hormones, vitamins A, E, and K, etc. It can be utilized to increase the dissolution and bioavailability of weakly water-soluble pharmaceutical compounds.

애플리케이션

Heptakis(2,6-di-O-methyl)-β-cyclodextrin may be used:
  • To measure the equilibrium constant of its complexes with various enantiomeric pairs of chiral nitroxides by electron paramagnetic resonance (EPR) spectroscopy.
  • To study the crystal structure of its complex with n-butyl acrylate and isobornyl acrylate using X-ray diffraction (XRD).
  • As a chiral selector to resolve amphetamine related drugs by capillary zone electrophoresis.

Reactant involved in:
  • Physicochemical studies of inclusion complexes
  • Probing diffusion and single molecule interactions with reconstituted membrane proteins
  • Interactions with micelles causing micellar rupture
  • Studying cellular transport, used as a cell penetration enhancer
  • Physicochemical and biopharmaceutical improvement of drugs particularly with solubilization and stability
  • Interactions with cholesterol

품질

Impurities are over-methylated homologs, primarily hexakis(2,6-di-O-methyl)-(2,3,6-tri-O-methyl)-β-cyclodextrin.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


시험 성적서(COA)

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이미 열람한 고객

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1 of 1

Z Aigner et al.
Journal of pharmaceutical and biomedical analysis, 57, 62-67 (2011-09-17)
The steps of formation of an inclusion complex produced by the co-grinding of gemfibrozil and dimethyl-β-cyclodextrin were investigated by differential scanning calorimetry (DSC), X-ray powder diffractometry (XRPD) and Fourier transform infrared (FTIR) spectroscopy with curve-fitting analysis. The endothermic peak at
Fernanda Pérez-Cruz et al.
Bioorganic & medicinal chemistry, 17(13), 4604-4611 (2009-05-26)
Four different 5-nitroindazole derivatives (1-4) and its inclusion with Heptakis(2,6-di-O-methyl)-beta-cyclodextrin (DMbetaCD) were investigated. The stoichiometric ratios and stability constants describing the extent of formation of the complexes were determined by phase-solubility measurements obtaining in all cases a type-A(L) diagram. Also
F Hirayama et al.
Journal of pharmaceutical sciences, 88(10), 970-975 (1999-10-09)
Acetyl groups were introduced to the hydroxyl groups of heptakis(2, 6-di-O-methyl)-beta-cyclodextrin (DM-beta-CyD), and the resulting heptakis(2,6-di-O-methyl-3-O-acetyl)-beta-CyD (DMA-beta-CyD) was evaluated for the inclusion property and hemolytic activity. It was confirmed by means of NMR and mass spectroscopies that in the DMA-beta-CyD
Paola Franchi et al.
Journal of the American Chemical Society, 126(13), 4343-4354 (2004-04-01)
EPR spectroscopy has been employed to investigate the formation of complexes between heptakis-(2,6-O-dimethyl)-beta-cyclodextrin (DM-beta-CD) and different enantiomeric pairs of chiral nitroxides of general structure PhCH2NO.CH(R)R'. Accurate equilibrium measurements of the concentrations of free and included radicals afforded the binding constant
Enantiomeric separation of amphetamine related drugs by capillary zone electrophoresis using native and derivatized beta-cyclodextrin as chiral additives
Cladrowa-Runge S, et al.
Journal of Chromatography A, 710(2), 339-345 (1995)

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