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Beta Cyclodextrin

β-Cyclodextrin

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Cyclodextrins are composed of 5 or more α-D-glucopyranoside units linked 1->4, as in amylose (a fragment of starch). The 5-membered macrocycle is not natural. Recently, the largest well-characterized cyclodextrin contains 32 1,4-anhydroglucopyranoside units, while as a poorly characterized mixture, at least 150-membered cyclic oligosaccharides are also known. Typical cyclodextrins contain a number of glucose monomers ranging from six to eight units in a ring, creating a cone shape:
* α -cyclodextrin: 6-membered sugar ring molecule
* β -cyclodextrin: 7-membered sugar ring molecule
* γ -cyclodextrin: 8-membered sugar ring molecule

MP >260 °C (dec.)(lit.)
Solubility
1 M NaOH: 50 mg/mL
Usage β-Cyclodextrin is a cyclic oligosaccharide produced from starch via enzymatic conversion. β-Cyclodextrin is commonly used to produce HPLC columns allowing chiral enantiomers separation.
ITEMS SPECIFICATIONS
Appearance white powder, sweet, insipid
Assay ≥99%
The average substitution perfect
Moisture content ≤4.5%
Residue on Ignition ≤1.5%
Heavy metal (Pb) ≤0.0025%
AS ≤0.0002%
The total number of germ ≤1000
The total number of mould ≤100

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