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Supelco

Dextran

analytical standard, for GPC, Set Mp 1,000-400,000

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Voraussichtliches Versanddatum28. Mai 2025

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1 SET
CHF 9’360.00

About This Item

Lineare Formel:
[C6H10O5]n
CAS-Nummer:
9004-54-0
EG-Nummer:
232-677-5
MDL-Nummer:
MFCD00130935
UNSPSC-Code:
41116107
NACRES:
NA.24

CHF 9’360.00

Voraussichtliches Versanddatum28. Mai 2025

Bulk-Bestellung anfordern

Qualität

analytical standard
for GPC

Qualitätsniveau

100

Mol-Gew.

Mp 1,000-400,000

chemische Klasse(n) des Analyten

oligosaccharides

Methode(n)

gel permeation chromatography (GPC): suitable

Anwendung(en)

food and beverages

Format

neat

SMILES String

O1C(C(C(C(C1CO)O)O)O)OCC2OC(C(C(C2O)O)O)OCC(O)C(O)C(O)C(O)C=O

InChI

1S/C18H32O16/c19-1-5(21)9(23)10(24)6(22)3-31-17-16(30)14(28)12(26)8(34-17)4-32-18-15(29)13(27)11(25)7(2-20)33-18/h1,5-18,20-30H,2-4H2

InChIKey

FZWBNHMXJMCXLU-UHFFFAOYSA-N

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Allgemeine Beschreibung

Dextran is an exopolysaccharide synthesized by lactic acid bacteria from sucrose. It consists of repeating units of D-glucose with the monomers joined to each other through α-1,6 linkages. In addition, the linear D-glucose chains show branching at frequent intervals, linked by α-1,4, α-1,3, or α-1,2 linkages.

Anwendung

The analytical standards can also be used as follows:
  • High-performance size exclusion chromatography (HPSEC) based determination of the molecular weight of a dextran synthesized by Leuconostoc citreum B-2, isolated from a fermentation product of pineapple
  • Determination of molecular weight of polysaccharides obtained from four Auricularia species by high-performance liquid chromatography using a water-soluble gel column
  • Identification of molecular weight of a water-soluble polysaccharide isolated by anion exchange chromatography from the dried leaves of C. paliurus by gel permeation chromatography (GPC)
  • Gel permeation chromatography (GPC) based molecular weight measurement of a dextran produced by two strains of Leuconostoc mesenteroides
  • Estimation of molecular weight of a water-soluble polysaccharide obtained from thinned-young apple by high-performance size exclusion chromatography (HPSEC)

Komponenten

Set enthält 10 verschiedene Dextran Standards à 500 mg mit Mp ~1100 (Kat.-Nr. 31416), ~4400 (Kat.-Nr. 31417), ~10000 (Kat.-Nr. 31418), ~20000 (Kat.-Nr. 31419), ~45000 (Kat.-Nr. 31420), ~65000 (Kat.-Nr. 31421), ~125000 (Kat.-Nr. 31422), ~195000 (Kat.-Nr. 31423), ~275000 (Kat.-Nr. 31424), ~400000 (Kat.-Nr. 31425); Die Komponenten können auch einzeln unter den angeführten Produktnummern bestellt werden.

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 2

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
BCCM7487
BCCM0897
BCCL4931
BCCL1582
BCCK0088

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Dextran analytical standard, for GPC, 5,000

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Sigma-Aldrich

31394

Dextran

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Dextran

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Verwandter Inhalt

Dextran and Polysaccharides Overview

Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, featuring a linear backbone of α-linked d-glucopyranosyl repeating units.

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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