31430
Dextran
analytical standard, for GPC, Set Mp 1,000-400,000
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About This Item
Fórmula linear:
[C6H10O5]n
Número CAS:
Número CE:
Número MDL:
Código UNSPSC:
41116107
NACRES:
NA.24
Produtos recomendados
grau
analytical standard
for GPC
Nível de qualidade
peso molecular
Mp 1,000-400,000
classe(s) química(is) do analito
oligosaccharides
técnica(s)
gel permeation chromatography (GPC): suitable
aplicação(ões)
food and beverages
formato
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
chave InChI
FZWBNHMXJMCXLU-UHFFFAOYSA-N
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Descrição geral
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.
Aplicação
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)
Componentes
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.
Código de classe de armazenamento
11 - Combustible Solids
Classe de risco de água (WGK)
WGK 2
Equipamento de proteção individual
Eyeshields, Gloves, type N95 (US)
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Conteúdo relacionado
Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, featuring a linear backbone of α-linked d-glucopyranosyl repeating units.
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