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Documentos Principais

C4642

Sigma-Aldrich

α-Cyclodextrin

≥98%

Sinônimo(s):

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

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About This Item

Fórmula empírica (Notação de Hill):
C36H60O30
Número CAS:
Peso molecular:
972.84
Beilstein:
79627
Número CE:
Número MDL:
Código UNSPSC:
12352005
ID de substância PubChem:
NACRES:
NA.22
Preço e disponibilidade não estão disponíveis no momento.

Nível de qualidade

Ensaio

≥98%

Formulário

powder

pf

>278 °C (dec.) (lit.)

solubilidade

H2O: 50 mg/mL

cadeia de caracteres SMILES

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

chave InChI

HFHDHCJBZVLPGP-RWMJIURBSA-N

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Aplicação

α-Cyclodextrin can be used:
  • In fabricating reversible supramolecular assemblies.[1]
  • As a modifier to enhance the solubility of oleic acid stabilized nanoparticles.[2]
  • In the preparation of polyrotaxanes with ply(ethylene glycol).[3]
  • In the synthesis of cationic star polymers with oligoethylenimine.[4]

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)


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?Pulling? nanoparticles into water: phase transfer of oleic acid stabilized monodisperse nanoparticles into aqueous solutions of α-cyclodextrin.
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Nano Letters, 3(11), 1555-1559 (2003)
Photocontrolled reversible supramolecular assemblies of an azobenzene-containing surfactant with α-cyclodextrin
Wang Y, et al.
Angewandte Chemie (International ed. in English), 46(16), 2823-2826 (2007)
Efficient production of polyrotaxanes from ?-cyclodextrin and poly (ethylene glycol).
Araki J, et al.
Macromolecules, 38(17), 7524-7527 (2005)
Andrew C Warden et al.
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Chemosensory protein based olfactory biosensors are expected to play a significant role in next-generation volatile organic compound (VOC) detection systems due to their ultra-high sensitivity and selectivity. As these biosensors can perform most efficiently in aqueous environments, the detection systems
Cationic star polymers consisting of ?-cyclodextrin core and oligoethylenimine arms as nonviral gene delivery vectors.
Yang C, et al.
Biomaterials, 28(21), 3245-3254 (2007)

Artigos

Techniques for solubilizing metabolically important compounds in aqueous solutions are reviewed.

Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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