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779334

Sigma-Aldrich

β-Cyclodextrin

Wacker Chemie AG, ≥98.0% (HPLC)

Synonym(s):

Cavamax® W7 Pharma, beta-Cyclodextrin, Caraway, Cycloheptaamylose, Cyclomaltoheptaose, Schardinger β-Dextrin

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About This Item

Empirical Formula (Hill Notation):
C42H70O35
CAS Number:
7585-39-9
Molecular Weight:
1134.98
Beilstein/REAXYS Number:
78623
EC Number:
231-493-2
MDL number:
MFCD00078139
UNSPSC Code:
12352005
PubChem Substance ID:
329768027
NACRES:
NA.22
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assay

≥98.0% (HPLC)

form

powder

optical activity

[α]/D 160 to 164°
[α]20/D +162±3°, c = 1.5% in H2O

manufacturer/tradename

Wacker Chemie AG

impurities

≤0.2% reducing substances
≤0.25% α- and γ-cyclodextrin (each)
≤0.5% related substances
≤5 ppm heavy metals
≤5 ppm residual solvents

ign. residue

≤0.10%

loss

≤14.0% loss on drying

pH

5.0-8.0 (1% in solution)

mp

290-300 °C (dec.) (lit.)

solubility

solution: 1%, clear

absorption

≤0.05 at 350-750 nm in solution at 1%
≤0.1 at 230-350 nm in solution at 1%

suitability

corresponds for identity

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]8[C@H](O)[C@@H](O)[C@H](O[C@@H]8CO)O[C@H]1[C@H](O)[C@H]2O

InChI

1S/C42H70O35/c43-1-8-29-15(50)22(57)36(64-8)72-30-9(2-44)66-38(24(59)17(30)52)74-32-11(4-46)68-40(26(61)19(32)54)76-34-13(6-48)70-42(28(63)21(34)56)77-35-14(7-49)69-41(27(62)20(35)55)75-33-12(5-47)67-39(25(60)18(33)53)73-31-10(3-45)65-37(71-29)23(58)16(31)51/h8-63H,1-7H2/t8-,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-,37-,38-,39-,40-,41-,42-/m1/s1

InChI key

WHGYBXFWUBPSRW-FOUAGVGXSA-N

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Application

For R&D use

Legal Information

Cavasol is a registered trademark of Wacker Chemie AG

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM8807
BCCJ9247
BCCK5834
BCBZ3978
BCBW6072

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Yutaro Tsuji et al.
Lab on a chip, 13(8), 1476-1481 (2013-03-02)
This paper proposes a solution exchange of a droplet-based lipid bilayer system, in which the inner solution of a droplet is replaced for the purpose of efficient ion channel analyses. In our previous report, we successfully recorded the channel conductance
Sameena Yousuf et al.
Carbohydrate research, 365, 46-51 (2012-12-04)
Naringenin-7-O-glucoside [Prunin (Pru)] was isolated from the fruit shell of Bixa orellana L. The binding of Pru with calf thymus DNA (ctDNA) and the influence of cyclomaltoheptaose (β-cyclodextrin, β-CD) on the binding were studied by absorption and fluorescence spectroscopic techniques.
Srinivasan Damodaran et al.
Annual review of food science and technology, 4, 327-346 (2013-01-10)
Off-flavors remain a major hurdle in expanding the use of soy protein isolate (SPI) in mainstream food applications. The complexity in solving this problem arises from the presence of protein-bound precursors in SPI. Among the most predominant sources of off-flavors
Hanane Messiad et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 926, 21-27 (2013-03-30)
Piceatannol is one of resveratrol derivatives having health promoting potential. However, its low water-solubility and bioavailability could limit its use in both food and pharmaceutical fields. The aim of this work is the study of piceatannol complexation by β-cyclodextrin (β-CD)
Xu Zhang et al.
Chemical communications (Cambridge, England), 49(8), 825-827 (2012-12-14)
This work revealed that β-cyclodextrin was attached onto the surface of TiO(2) predominately by its secondary ring side, which caused paradoxical functions of β-cyclodextrin in the photodegradation of the four bisphenols. The equilibrium between the guest adsorbed through β-cyclodextrin onto
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