Dextran from Leuconostoc mesenteroides
SIAL/31419 - analytical standard, for GPC, Mw 25,000
CAS Number: 9004-54-0
EC Number: 232-677-5
MDL Number: MFCD00130935
Linear Formula: (C6H10O5)n
Product Type: Chemical
| analyte chemical class(es) | oligosaccharides |
| application(s) | food and beverages |
| format | neat |
| grade | analytical standard |
| for GPC | |
| Mw/Mn | ~1.25 |
| mol wt | Mn ~20,000 |
| Mp ~20,000 | |
| Mw ~25,000 | |
| Quality Level | 100  |
| technique(s) | gel permeation chromatography (GPC): suitable |
| Application: | Markers-dextran with 25000 Da has been used as standard in gel chromatography analysis to determine fractional composition of protein, carbohydrate, phenolic surface active substances in base wine. |
| Application: | Use of dextrans as long and hydrophilic spacer arms improves the performance of immobilized proteins acting on macromolecules. |
| General description: | Dextran is a D-glucosyl homopolysaccharide which has a-1,6 glucosidic linkages with different branches through α-1,2, α-1,3, and α-1,4 linkages correspondingly classified as group A, B and C. It can be synthesized from sucrose by cell-free filtrate. |
| General description: | Dextrans are polysaccharides with molecular weights ≥1,000 Dalton, with a linear backbone of α-linked Dextran from Leuconostoc mesenteroides (Mw: 25,000) may be used as an analytical standard to calibrate the column for gel permeation chromatography (GPC). |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 2 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| UNSPSC | 12352201 |