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28705 Sigma-Aldrich

α-Cyclodextrin

purum, ≥98.0% (HPLC)

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

  • CAS Number 10016-20-3

  • Empirical Formula (Hill Notation) C36H60O30

  • Molecular Weight 972.84

  •  Beilstein/REAXYS Number 79627

  •  EC Number 233-007-4

  •  MDL number MFCD00078207

  •  PubChem Substance ID 329753285

  •  NACRES NA.22

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Properties

Related Categories Chelation/Complexation Compounds, Chemical Synthesis, Cyclodextrins, Synthetic Reagents
Quality Level   200
grade   purum
assay   ≥98.0% (HPLC)
optical activity   [α]20/D +136±3°, c = 10% in H2O
loss   ≤10% loss on drying
mp   >278 °C (dec.) (lit.)
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

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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