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C4892

Sigma-Aldrich

γ-Cyclodextrin

≥98%

Sinonimo/i:

gamma-Cyclodextrin, Cyclomaltooctaose, Cyclooctaamylose, Schardinger γ-Dextrin

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About This Item

Formula empirica (notazione di Hill):
C48H80O40
Numero CAS:
17465-86-0
Peso molecolare:
1297.12
Beilstein:
78740
Numero CE:
241-482-4
Numero MDL:
MFCD00009595
Codice UNSPSC:
12352005
ID PubChem:
24892736
NACRES:
NA.22

Origine biologica

microbial

Livello qualitativo

200

Saggio

≥98%

Forma fisica

powder

tecniche

HPLC: suitable

Solubilità

1 M NH4OH: 50 mg/mL

Stringa SMILE

[H][C@]1(O[C@H](COC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@@H]2[C@@H](COC(C)=O)O[C@H](OC(C)=O)[C@H](OC(C)=O)[C@H]2OC(C)=O

InChI

1S/C48H80O40/c49-1-9-33-17(57)25(65)41(73-9)82-34-10(2-50)75-43(27(67)19(34)59)84-36-12(4-52)77-45(29(69)21(36)61)86-38-14(6-54)79-47(31(71)23(38)63)88-40-16(8-56)80-48(32(72)24(40)64)87-39-15(7-55)78-46(30(70)22(39)62)85-37-13(5-53)76-44(28(68)20(37)60)83-35-11(3-51)74-42(81-33)26(66)18(35)58/h9-72H,1-8H2/t9-,10-,11-,12-,13-,14-,15-,16-,17-,18-,19-,20-,21-,22-,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-/m1/s1
GDSRMADSINPKSL-HSEONFRVSA-N

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Descrizione generale

γ-Cyclodextrin is a cyclic oligosaccharide containing eight glucose units linked by α-1,4-glycosidic bonds. It can form host-guest or inclusion complexes in aqueous solutions with various organic molecules. As a result, cyclodextrins are widely used in the food and pharmaceutical industries for the microencapsulation of sensitive fine chemicals.

Applicazioni

γ-Cyclodextrin can be used as:
  • A catalyst to synthesize substituted isoxazolidines via 1,3-dipolar cycloaddition of nitrones with styrenes and cinnamates.
  • An organic ligand to synthesize cyclodextrin-based metal-organic frameworks using biocompatible metal ions.
  • A reactant to synthesize O-perallylated cyclodextrins via perallylation with allyl halides in the presence of NaH.

Caratteristiche e vantaggi

  • Green and environment-friendly
  • No biological toxicity
  • Biodegradable

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

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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Sigma-Aldrich

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Sigma-Aldrich

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Sigma-Aldrich

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Sigma-Aldrich

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Sekar Karuppannan et al.
Chemistry, an Asian journal, 6(4), 964-984 (2011-01-29)
The past ten years have seen a spectacular development of chemical sensors based on the monomer-excimer dual luminescence of aromatic systems, such as pyrene. Either in the form of integrated or multicomponent molecular devices these chemosensors have been attracting a
S A A Almeida et al.
Talanta, 85(3), 1508-1516 (2011-08-03)
Solid-contact sensors for the selective screening of sulfadiazine (SDZ) in aquaculture waters are reported. Sensor surfaces were made from PVC membranes doped with tetraphenylporphyrin-manganese(III) chloride, α-cyclodextrin, β-cyclodextrin, or γ-cyclodextrin ionophores that were dispersed in plasticizer. Some membranes also presented a
Phatsawee Jansook et al.
Journal of pharmacy & pharmaceutical sciences : a publication of the Canadian Society for Pharmaceutical Sciences, Societe canadienne des sciences pharmaceutiques, 13(3), 336-350 (2010-11-26)
Study the complexation of dexamethasone in combinations of γ-cyclodextrin (γCD) and 2-hydroxypropyl-γ-cyclodextrin (HPγCD) with emphasis on solid characterization and development of aqueous dexamethasone eye drop suspension for drug delivery through sclera. Dexamethasone/cyclodextrin (dexamethasone/CD) solid complex systems were prepared and characterized
B-G Kim et al.
British journal of pharmacology, 164(6), 1698-1710 (2011-05-19)
Although 3α-hydroxy, 5α-reduced pregnane steroids, such as allopregnanolone (AlloP) and tetrahydrodeoxycorticosterone, are endogenous positive modulators of postsynaptic GABA(A) receptors, the functional roles of endogenous neurosteroids in synaptic transmission are still largely unknown. In this study, the effect of AlloP on
Mirco Zerbetto et al.
The journal of physical chemistry. B, 116(44), 13159-13171 (2012-10-13)
In this work, we address the description of the dynamics of cyclodextrins in relation with nuclear magnetic resonance (NMR) relaxation data collected for hydroxymethyl groups. We define an integrated computational approach based on the definition and parametrization of a stochastic
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Articoli

Cyclodextrins

Many metabolically important compounds, such as lipid-soluble vitamins and hormones, have very low solubilities in aqueous solutions. Various techniques have been used to solubilize these compounds in tissue culture, cell culture, or other water-based applications.

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