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Key Documents

H4645

Sigma-Aldrich

Heptakis(2,3,6-tri-O-methyl)-β-cyclodextrin

≥90%

Sinonimo/i:

2,3,6-Tri-O-methyl-β-cyclodextrin, Trimethyl-β-cyclodextrin

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About This Item

Formula empirica (notazione di Hill):
C63H112O35
Numero CAS:
Peso molecolare:
1429.54
Beilstein:
78748
Numero MDL:
Codice UNSPSC:
12352005
ID PubChem:
NACRES:
NA.22

Saggio

≥90%

Forma fisica

powder

tecniche

electrophoresis: suitable

Punto di fusione

170-178 °C (lit.)

Temperatura di conservazione

2-8°C

Stringa SMILE

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

InChI

1S/C63H112O35/c1-64-22-29-36-43(71-8)50(78-15)57(85-29)93-37-30(23-65-2)87-59(52(80-17)44(37)72-9)95-39-32(25-67-4)89-61(54(82-19)46(39)74-11)97-41-34(27-69-6)91-63(56(84-21)48(41)76-13)98-42-35(28-70-7)90-62(55(83-20)49(42)77-14)96-40-33(26-68-5)88-60(53(81-18)47(40)75-12)94-38-31(24-66-3)86-58(92-36)51(79-16)45(38)73-10/h29-63H,22-28H2,1-21H3/t29-,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-,57-,58-,59-,60-,61-,62-,63-/m1/s1
DSDAICPXUXPBCC-MWDJDSKUSA-N

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Descrizione generale

Heptakis(2,3,6-tri-O-methyl)-β-cyclodextrin is a β-cyclodextrin derivative that finds potential use in pharmaceutical, food and cosmetic applications. Its attractive features include: the non-polar cavity desirable for its use as a molecular host for a wide range of molecules and its affinity for organic compounds in solution as well as crystalline phases.

Applicazioni

Heptakis(2,3,6-tri-O-methyl)-β-cyclodextrin may be used:
  • To investigate the crystal structure of its complexes with m-iodophenol, 4-biphenylacetic acid and (R)- and (S)-flurbiprofen by X-ray analysis.
  • To study the candidature of its complex with vitamin A for potential application as a drug delivery system for ophthalmic applications by high sensitivity fluorescence spectrometry and high pressure liquid chromatography (HPLC) techniques.
  • In the determination of the analyte composition in commercial samples by HPLC coupled to mass spectrometry (MS).

Chiral additive in liquid chromatography for enantiomer resolution. Chiral separation of basic drug substances by capillary electrophoresis.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)


Certificati d'analisi (COA)

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K Payer et al.
Biomedical chromatography : BMC, 9(3), 135-139 (1995-05-01)
The separation efficiency of a capillary column coated with (2,3,6-tri-O-methyl)-beta-cyclodextrin was determined at the temperature and flow rate ranges of 80-120 degrees C and 0.3-1.5 mL/min respectively using (+) and (-) cis-permethrinic acid methylesters as test compounds. The dependence of
Alessandra Ammazzalorso et al.
Journal of chromatography. A, 1088(1-2), 110-120 (2005-09-01)
The enantiomeric separation of gemfibrozil chiral analogues was performed by capillary zone electrophoresis (CZE). Resolution of the enantiomers was achieved using heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin (TM-beta-CD) as chiral selector dissolved into a buffer solution. In order to optimize the separation conditions, type, pH
Koji Kano et al.
Journal of the American Chemical Society, 125(35), 10625-10634 (2003-08-28)
A new methodology for preparing heteroporphyrin arrays in aqueous solution has been presented. The present method is based on the extremely strong ability of heptakis(2,3,6-tri-O-methyl)-beta-cyclodextrin (TMe-beta-CD) to include 5,10,15,20-tetrakis(p-substituted-phenyl)porphyrins (Por) affording trans-type 1:2 complexes of the porphyrins and TMe-beta-CD. Two
María Castro-Puyana et al.
Electrophoresis, 27(4), 887-895 (2006-01-18)
The four stereoisomers of itraconazole were resolved for the first time by EKC using a CD as chiral selector. A study on the enantiomeric separation ability of different neutral CDs was carried out. Heptakis-2,3,6-tri-O-methyl-beta-CD was shown to provide the highest

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