γ-Cyclodextrin
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γ-Cyclodextrin
structure -
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CAS No:
17465-86-0
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Formula:
C48H80O40
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Chemical Name:
γ-Cyclodextrin
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Synonyms:
γ-Cyclodextrin;2,4,7,9,12,14,17,19,22,24,27,29,32,34,37,39-Hexadecaoxanonacyclo[36.2.2.23,6.28,11.213,16.218,21.223,26.228,31.233,36]hexapentacontane,γ-cyclodextrin deriv.;Cyclooctaamylose;γ-Dextrin;Stereoisomer of 5,10,15,20,25,30,35,40-octakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34,37,39-hexadecaoxanonacyclo[36.2.2.23,6.28,11.213,16.218,21.223,26.228,31.233,36]hexapentacontane-41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56-hexadecol;Cyclomaltooctaose;Ringdex C;Dexy Pearl γ-100;Celdex C 100;Cavamax W 8;Celdex G 100;Cavamax 8 Food;Cavamax W 8 Food;Rindex C;γ-100;Cavasol W8;Cavasol W 6;Dexipar γ-100;216309-81-8;217487-02-0;1229648-15-0;1714824-80-2;2095261-38-2
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CAS No:
Description
White powder or crystal Cyclodextrins occur as white, practically odorless, fine crystalline powders, having a slightly sweet taste. Some cyclodextrin derivatives occur as amorphous powders.
Characteristics
633
-8.97
white powder
1.2064 (rough estimate)
260-340 °C (decomp)
845.2°C (rough estimate)
450℃
1.7500 (estimate)
1 M NaOH: 25 mg/mL, may be clear to slightly hazy
Store in a cool, dry place. Store in a tightly closed container.
Safety Information
NONH for all modes of transport
2
36/37/38
26-36-24/25-22
GU2293080
Xi
Cyclodextrins should be stored in a tightly sealed container, in a cool, dry place.Cyclodextrins are stable in the solid state if protected from high humidity.
γ-Cyclodextrin Use and Manufacturing
Cyclic maltodextrin glucose transferase (CGTase, EC 2.4.1.19) acts on the hydrolyzed starch, and then purified by one of the following methods: Bu cyclodextrin is precipitated with a complex of a macrocyclic compound, and then Extract with n-decane, and then strip the solvent; obtain crystals from the purified mother liquor containing cyclodextrin by ion exchange or gel filtration chromatography; obtain by ultrafiltration and reverse osmosis membrane separation.
Cyclodextrins are ‘bucketlike’ or ‘conelike’ toroid molecules, with a rigid structure and a central cavity, the size of which varies according to the cyclodextrin type. The internal surface of the cavity is hydrophobic and the outside of the torus is hydrophilic; this is due to the arrangement of hydroxyl groups within the molecule. This arrangement permits the cyclodextrin to accommodate a guest molecule within the cavity, forming an inclusion complex.
Cyclodextrins may be used to form inc
Computed Properties
Molecular Weight:1297.1
XLogP3:-17.2
Hydrogen Bond Donor Count:24
Hydrogen Bond Acceptor Count:40
Rotatable Bond Count:8
Exact Mass:1296.4225873
Monoisotopic Mass:1296.4225873
Topological Polar Surface Area:633
Heavy Atom Count:88
Complexity:1720
Undefined Atom Stereocenter Count:40
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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