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S7556

Sigma-Aldrich

Schwefeltrioxid-Pyridin-Komplex

97%

Synonym(e):

Pyridin-Schwefeltrioxidkomplex

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€ 40,10
100 G
€ 105,00
1 KG
€ 564,00

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25 G
€ 40,10
100 G
€ 105,00
1 KG
€ 564,00

About This Item

Empirische Formel (Hill-System):
C5H5NO3S
CAS-Nummer:
Molekulargewicht:
159.16
Beilstein:
3704116
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352303
PubChem Substanz-ID:
NACRES:
NA.22

€ 40,10


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Assay

97%

Eignung der Reaktion

reagent type: oxidant

SMILES String

O=S(=O)=O.c1ccncc1

InChI

1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H;

InChIKey

UDYFLDICVHJSOY-UHFFFAOYSA-N

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Anwendung

  • Sulfation agent

Reactant for:
  • Preparation of azido anologs of pregnanolone
  • Sulfate esters of morphine derivatives
  • Gold nanoparticles capped with sulfate-ended ligands as anti-HIV agents
Sulfur trioxide-pyridine (SO3-py) complex can be used to convert the allylic or benzylic hydroxyl group of compounds such as geraniol, farnesol, and 1-indanol into sulfate monoester, which is a good leaving group. This method is highly useful in the total synthesis of sesquiterpenes.[1]
As a sulfating agent, SO3-py complex can be used for the preparation of sulfated-chitins[2], sulfated hyaluronan (HyaS) derivatives[3] and sulfated starch.[4]

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Piktogramme

CorrosionExclamation mark

Signalwort

Danger

H-Sätze

Gefahreneinstufungen

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Lagerklassenschlüssel

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Persönliche Schutzausrüstung

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

Preparation of sulfated-chitins under homogeneous conditions.
Zou Y and Khor E
Carbohydrate Polymers, 77(3), 516-525 (2009)
Polysaccharide-based superporous hydrogels with fast swelling and superabsorbent properties.
Kuang J, et al.
Carbohydrate Polymers, 83(1), 284-290 (2011)
A method for deoxygenation of allylic and benzylic alcohols.
Corey E J and Achiwa K
The Journal of Organic Chemistry, 34(11), 3667-3668 (1969)
Sulfated hyaluronan derivatives reduce the proliferation rate of primary rat calvarial osteoblasts.
Kunze R, et al.
Glycoconjugate Journal, 27(1), 151-158 (2010)
Helyn Priscila de Oliveira Barddal et al.
International journal of biological macromolecules, 145, 604-610 (2019-12-31)
Heparin is an extremely important and recognized anticoagulant and antithrombotic agent. Obtained from animal sources and being highly potent, risks of contamination by pathogens and bleeding are some concerns related to heparin use. In the search for alternatives to heparin

Questions

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  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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