Merck
CN

779008

Sigma-Aldrich

α-环糊精

Produced by Wacker Chemie AG, Burghausen, Germany, Life Science, 98.0-101.0% cyclodextrin basis (HPLC)

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别名:
α-环状糊精, 环己烷直链淀粉, 环麦芽六糖
Empirical Formula (Hill Notation):
C36H60O30
CAS号:
分子量:
972.84
Beilstein:
79627
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.22

等级

Produced by Wacker Chemie AG, Burghausen, Germany, Life Science

质量水平

检测方案

98.0-101.0% cyclodextrin basis (HPLC)

形式

solid

旋光性

[α]/D 147.0 to 152.0° in H2O (USP)

杂质

≤0.20% reducing substances
≤0.25% β- and γ-cyclodextrin (each)
≤0.5% related substances
≤20 ppm residual solvents
≤5 ppm heavy metals (USP)

灼烧残渣

≤0.10% (USP)

缺失

≤10.0% loss on drying

pH值(酸碱度)

5.0-8.0 (1% in solution)

mp

>278 °C (dec.) (lit.)

吸光度

≤0.05 at 350-750 nm in solution at 1%
≤0.10 at 230-250 nm in solution at 1%

适用性

positive for identity (Ph Eur)

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

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此商品
C4642PHR2560A1225000
α-Cyclodextrin Produced by Wacker Chemie AG, Burghausen, Germany, Life Science, 98.0-101.0% cyclodextrin basis (HPLC)

Sigma-Aldrich

779008

α-环糊精

α-Cyclodextrin ≥98%

Sigma-Aldrich

C4642

α-环糊精

Alpha Cyclodextrin

Supelco

PHR2560

α-环糊精

Alfadex European Pharmacopoeia (EP) Reference Standard

A1225000

α-环糊精

form

solid

form

powder

form

powder

form

-

mp

>278 °C (dec.) (lit.)

mp

>278 °C (dec.) (lit.)

mp

>278 °C (dec.) (lit.)

mp

>278 °C (dec.) (lit.)

grade

Produced by Wacker Chemie AG, Burghausen, Germany, Life Science

grade

-

grade

certified reference material, pharmaceutical secondary standard

grade

pharmaceutical primary standard

optical activity

[α]/D 147.0 to 152.0° in H2O (USP)

optical activity

-

optical activity

-

optical activity

-

impurities

≤0.20% reducing substances

impurities

-

impurities

-

impurities

-

应用

α-Cyclodextrin can be used:
  • As a ligand in the complexation of nonionic surfactants and polyethylene glycols. α-cyclodextrin shows strong interaction with the surfactants that contains no benzene group.
  • To protect linoleic acid from oxidation.
  • In the synthesis of binuclear copper(II) complexes with cyclodextrins, which can be further used as a template for the preparation of copper nanoparticles incorporated on mesoporous silica.

法律信息

Cavasol is a registered trademark of Wacker Chemie AG

象形图

Exclamation mark

警示用语:

Warning

危险声明

预防措施声明

危险分类

Eye Irrit. 2

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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β-Cyclodextrin produced by Wacker Chemie AG, Burghausen, Germany, ≥95.0% (HPLC)

Sigma-Aldrich

779105

β-环糊精

γ-Cyclodextrin ≥98%

Sigma-Aldrich

C4892

γ-环糊精

β-Cyclodextrin produced by Wacker Chemie AG, Burghausen, Germany

Sigma-Aldrich

W402826

β-环糊精

β-Cyclodextrin ≥97%

Sigma-Aldrich

C4767

β-环糊精

Cucurbituril and α-and β-Cyclodextrins as Ligands for the Complexation of Nonionic Surfactants and Polyethyleneglycols in Aqueous Solutions
Buschmann HJ, et al.
Journal of Inclusion Phenomena and Macrocyclic Chemistry, 37(1-4), 231-236 (2000)
One-step synthesis of copper nanoparticles containing mesoporous silica by nanocasting of binuclear copper (II) complexes with cyclodextrins.
Han B H and Antonietti M
Journal of Materials Chemistry, 13(7), 1793-1796 (2003)
Oxidation-stable linoleic acid by inclusion in α-cyclodextrin
Regiert M, et al.
Journal of Inclusion Phenomena and Macrocyclic Chemistry, 57(1-4), 471-474 (2007)
Michael Kundel et al.
Analytical chemistry, 84(3), 1439-1445 (2012-01-17)
Here we present a new application of a time-of-flight aerosol mass spectrometer (TOF-AMS) for the measurement of atmospheric trace gases in real-time. Usually, TOF-AMS instruments are not sensitive to gas-phase species due to the aerodynamic particle focusing inlet system which
Francisco Gámez et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 14(2), 400-407 (2012-12-15)
The benchmark inclusion complexes formed by α-cyclodextrin (αCD) with alkali-metal cations are investigated under isolated conditions in the gas phase. The relative αCD-M(+) (M=Li(+), Na(+), K(+), Cs(+)) binding affinities and the structure of the complexes are determined from a combination

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