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28705

α-Cyclodextrin

Name: α-Cyclodextrin
Brand: SIAL

purum, ≥98.0% (HPLC)

Synonym(s):

alpha-Cyclodextrin, α-Schardinger dextrin, Cyclohexaamylose, Cyclomaltohexaose

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About This Item

Empirical Formula (Hill Notation):

C₃₆H₆₀O₃₀

CAS Number:

10016-20-3

Molecular Weight:

972.84

UNSPSC Code:

12352005

NACRES:

NA.22

PubChem Substance ID:

329753285

EC Number:

233-007-4

Beilstein/REAXYS Number:

79627

MDL number:

MFCD00078207

Assay:

≥98.0% (HPLC)

Form:

powder

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Properties

grade

purum

Quality Level

200

assay

≥98.0% (HPLC)

form

powder

optical activity

[α]20/D +136±3°, c = 10% in H₂O

loss

≤10% loss on drying

mp

>278 °C (dec.) (lit.)

functional group

ether, hydroxyl

SMILES string

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

InChI

1S/C36H60O30/c37-1-7-25-13(43)19(49)31(55-7)62-26-8(2-38)57-33(21(51)15(26)45)64-28-10(4-40)59-35(23(53)17(28)47)66-30-12(6-42)60-36(24(54)18(30)48)65-29-11(5-41)58-34(22(52)16(29)46)63-27-9(3-39)56-32(61-25)20(50)14(27)44/h7-54H,1-6H2/t7-,8-,9-,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-/m1/s1

InChI key

HFHDHCJBZVLPGP-RWMJIURBSA-N

Description

General description

α-Cyclodextrin (α-CD) is a water-soluble cyclic oligosaccharide that consists of six glucopyranose units linked by α-(1,4) bonds. It is commonly used to form inclusion complexes (ICs) with a wide range of organic compounds.

Application

α-Cyclodextrin may be used to synthesize a polymer inclusion complex (PIC) with poly(ethylene glycol) (PEG)-modified chitosans. These PICs can self-assemble to form supramolecular hydrogels.

Other Notes

Cyclodextrins are low molecular weight organic molecules which form watersoluble complexes with various compounds (guests); Enzyme model

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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I. Tabushi

Tetrahedron, 40, 269-269 (1984)

M.L. Bender et al.

Cyclodextrin Chemistry (1978)

Inclusion complexation between comblike PEO grafted polymers and ?-cyclodextrin.

He L

Macromolecules, 38(8), 3351-3355 (2005)

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Global Trade Item Number

SKU	GTIN
28705-25G	04061833416808
28705-5G	04061833355183
28705-100G	04061833380628