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Merck
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Fontos dokumentumok

31430

Supelco

Dextran

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

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Összes fotó(1)

About This Item

Lineáris képlet:
[C6H10O5]n
CAS-szám:
9004-54-0
EC-szám:
232-677-5
MDL-szám:
MFCD00130935
UNSPSC kód:
41116107
NACRES:
NA.24

grade

analytical standard
for GPC

Minőségi szint

100

molekulatömeg

Mp 1,000-400,000

analit kémiai osztály(ok)

oligosaccharides

technika/technikák

gel permeation chromatography (GPC): suitable

alkalmazás(ok)

food and beverages

Formátum

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

Nemzetközi kémiai azonosító kulcs

FZWBNHMXJMCXLU-UHFFFAOYSA-N

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Általános leírás

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.

Alkalmazás

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)

Komponensek

set contains 10 different dextran standards with 500 mg with Mp ~1,100 (Cat. No. 31416), ~4,400 (Cat. No. 31417), ~10,000 (Cat. No. 31418), ~20,000 (Cat. No. 31419), ~45,000 (Cat. No. 31420),~65,000 (Cat. No. 31421), ~125,000 (Cat. No. 31422), ~195,000 (Cat. No. 31423), ~275,000 (Cat. No. 31424), ~400,000 (Cat. No. 31425); The components can also be ordered separately under the product numbers indicated.

Tárolási osztály kódja

11 - Combustible Solids

WGK

WGK 2

Egyéni védőeszköz

Eyeshields, Gloves, type N95 (US)

Válasszon a legfrissebb verziók közül:

Analitikai tanúsítványok (COA)

Lot/Batch Number
BCCM0897
BCCL4931
BCCL1582
BCCK0088
BCCJ5601

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COA keresése

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Dextran analytical standard, for GPC, 410,000

Supelco

00895

Dextran

Dextran from Leuconostoc mesenteroides analytical standard, for GPC, Mw 5,000

Supelco

31417

Dextran from Leuconostoc mesenteroides

Dextran analytical standard, for GPC, 150,000

Supelco

00893

Dextran

Dextran analytical standard, for GPC, 5,000

Supelco

00269

Dextran

Dextran enzymatic synth.

Sigma-Aldrich

31394

Dextran

Supelco

Supelco

00892

Dextran

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Dextran and Polysaccharides Overview

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

Dextrán és poliszacharidok Áttekintés

A dextrannak ≥1 000 Dalton molekulatömegű poliszacharidok, amelyek lineáris gerincét α-kötött d-glükopiranozil ismétlődő egységek alkotják.

Tudóscsoportunk valamennyi kutatási területen rendelkezik tapasztalattal, beleértve az élettudományt, az anyagtudományt, a kémiai szintézist, a kromatográfiát, az analitikát és még sok más területet.

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