31430
Dextran
analytical standard, for GPC, Set Mp 1,000-400,000
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About This Item
Formule linéaire :
[C6H10O5]n
Numéro CAS:
Numéro CE :
Numéro MDL:
Code UNSPSC :
41116107
Nomenclature NACRES :
NA.24
Produits recommandés
Qualité
analytical standard
for GPC
Niveau de qualité
Poids mol.
Mp 1,000-400,000
Classe(s) chimique(s) de l'analyte
oligosaccharides
Technique(s)
gel permeation chromatography (GPC): suitable
Application(s)
food and beverages
Format
neat
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
Clé InChI
FZWBNHMXJMCXLU-UHFFFAOYSA-N
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Description générale
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.
Application
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)
Composants
Set enthält 10 verschiedene Dextran Standards à 500 mg mit Mp ~1100 (Fluka® 31416), ~4400 (Fluka 31417), ~10000 (Fluka 31418), ~20000 (Fluka 31419), ~45000 (Fluka 31420), ~65000 (Fluka 31421), ~125000 (Fluka 31422), ~195000 (Fluka 31423), ~275000 (Fluka 31424), ~400000 (Fluka 31425); Die Komponenten können auch einzeln unter den angeführten Fluka Produktnummern bestellt werden.
Code de la classe de stockage
11 - Combustible Solids
Classe de danger pour l'eau (WGK)
WGK 2
Équipement de protection individuelle
Eyeshields, Gloves, type N95 (US)
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Contenu apparenté
Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, featuring a linear backbone of α-linked d-glucopyranosyl repeating units.
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