Description

α-L-Xylofuranose,1,2:3,5-Bis-o-(1-Methylethylidene)- is a high-purity, protected xylofuranose derivative, a crucial chiral building block in synthetic organic chemistry. Its value lies in providing a chemically stable, non-racemic scaffold for the synthesis of complex nucleosides, carbohydrates, and other bioactive molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries who require advanced intermediates for drug discovery and process development.

Application

• Pharmaceutical Intermediate: A key chiral precursor in the synthesis of novel nucleoside analogs and antiviral/antitumor agents.
• Carbohydrate Chemistry Research: Serves as a protected starting material for the construction of complex oligosaccharides and glycomimetics.
• Agrochemical Synthesis: Used in developing chiral active ingredients for advanced crop protection products.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Academic & R&D Laboratories: A valuable tool for methodological development in asymmetric synthesis and glycoscience.

Basic Information

Product Name	α-L-Xylofuranose,1,2:3,5-Bis-o-(1-Methylethylidene)-
CAS No.	131156-47-3
Molecular Formula	C11H18O5
Molecular Weight	230.26 g/mol
Synonyms	1,2:3,5-Di-O-isopropylidene-α-L-xylofuranose; Di-O-isopropylidene-α-L-xylofuranose; α-L-Xylofuranose 1,2:3,5-diisopropylidene acetal; 1,2-O-Isopropylidene-3,5-O-isopropylidene-α-L-xylofuranose; (3aR,5R,6S,6aR)-5-[(R)-1,2-Dihydroxyethyl]-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-ol; L-Xylose diacetonide; Protected L-xylofuranose.
EINECS	Contact for details

Quality Control

Our α-L-Xylofuranose,1,2:3,5-Bis-o-(1-Methylethylidene)- is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC and structural confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and specific impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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