Description

o-α-L-Arabinofuranosyl-(1-3)-o-[β-D-Xylopyranosyl-(1-4)]-o-β-D-Xylopyranosyl-(1-4)-o-β-D-Xylopyranosyl-(1-4)-D-Xylose is a defined, high-purity oligosaccharide compound used as a critical reference standard and biochemical reagent. This compound matters for its role in advancing research into plant cell wall structure, specifically the biosynthesis and degradation of xylans and arabinoxylans. It is essential for researchers and manufacturers in the fields of glycobiology, enzymology, and analytical chemistry who require precise molecular tools for method development, calibration, and substrate specificity studies.

Application

• Biochemical Research Standard: Serves as a high-purity reference compound for the identification and quantification of complex plant-derived oligosaccharides in analytical workflows.
• Enzyme Substrate & Assay Development: Used as a specific substrate to study the activity, kinetics, and inhibition of xylanases, arabinofuranosidases, and other hemicellulase enzymes.
• Glycomics & Structural Analysis: A vital tool for mass spectrometry (MS) and nuclear magnetic resonance (NMR) spectroscopy calibration in the structural elucidation of polysaccharides.
• Plant Science & Biofuel Research: Employed in research focused on understanding plant cell wall deconstruction for applications in biofuel production and biomass conversion.
• Pharmaceutical Intermediate: Potential use as a building block or precursor in the synthesis of more complex glycoconjugates for therapeutic exploration.
• Quality Control in Enzyme Production: Acts as a benchmark for the purity and activity testing of commercial enzyme preparations targeting hemicellulose.

Basic Information

Product Name	o-α-L-Arabinofuranosyl-(1-3)-o-[β-D-Xylopyranosyl-(1-4)]-o-β-D-Xylopyranosyl-(1-4)-o-β-D-Xylopyranosyl-(1-4)-D-Xylose
CAS No.	84666-93-3
Molecular Formula	C31H52O26
Molecular Weight	816.73 g/mol
Synonyms	α-L-Araf-(1→3)-[β-D-Xylp-(1→4)]-β-D-Xylp-(1→4)-β-D-Xylp-(1→4)-D-Xyl; Arabinoxylopentaose; Araf-(1→3)-Xyl4; (1→3),(1→4)-Mixed Linkage Arabinoxylan Oligosaccharide; Xylo-oligosaccharide derivative; Arabinofuranosyl xylotetraose; Oligosaccharide from wheat arabinoxylan; 84666-93-3
EINECS	Contact for details

Quality Control

Our o-α-L-Arabinofuranosyl-(1-3)-o-[β-D-Xylopyranosyl-(1-4)]-o-β-D-Xylopyranosyl-(1-4)-o-β-D-Xylopyranosyl-(1-4)-D-Xylose is produced under stringent conditions to ensure batch-to-batch consistency and high purity, suitable for sensitive research applications. All products undergo rigorous quality testing, including advanced chromatographic and spectroscopic methods, to ensure compliance with in-house specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C in a dry environment. This product is hygroscopic (moisture-sensitive). For long-term storage, consider desiccation. Allow the sealed container to reach room temperature before opening to prevent condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 5.0%
Specific Rotation	Contact for details
Heavy Metals	< 10 ppm
Bacterial Endotoxins	< 1.0 EU/mg (if applicable)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.