Xylotetraose
- CAS NO.：22416-58-6
- Empirical Formula: C20H34O17
- Molecular Weight: 546.47
- MDL number: MFCD28064298
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-19 23:02:33
What is Xylotetraose?
The Uses of Xylotetraose
Xylotetrose is a xylose oligomer that is of interest to many fields of study and is an intermediate reaction product of the hydrolysis of hemicelluloses.
Definition
ChEBI: A tetrasaccharide comprised of four D-xylose residues connected by β(1→4) linkages.
Reactions
A novel xylanase (xylanase IV) which produces xylotetraose as the only low-molecular-weight oligosaccharide from oat spelt xylan was isolated from the culture medium of Aeromonas caviae ME-1. By sodium dodecyl sulfate-polyacrylamide gel electrophoresis, the xylanase IV molecular weight was 41,000. Xylanase IV catalyzed the hydrolysis of oat spelt xylan, producing exclusively xylotetraose. The acid hydrolysate of the product gave d-xylose. The enzyme did not hydrolyze either p-nitrophenyl-(beta)-d-xyloside, small oligosaccharides (xylobiose and xylotetraose), or polysaccharides, such as starch, cellulose, carboxymethyl cellulose, laminarin, and (beta)-1,3-xylan.
Properties of Xylotetraose
| Melting point: | 219-220°C |
| Boiling point: | 907.1±65.0 °C(Predicted) |
| alpha | -57.8 º (c=1% in H2O) |
| Density | 1.72±0.1 g/cm3(Predicted) |
| storage temp. | Hygroscopic, -20°C Freezer, Under inert atmosphere |
| solubility | DMSO (Slightly), Water (Slightly) |
| pka | 12.40±0.20(Predicted) |
| form | Solid |
| color | White to Off-White |
| Stability: | Hygroscopic |
Safety information for Xylotetraose
Computed Descriptors for Xylotetraose
New Products
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