Description

Methyl α-L-Arabinopyranoside CAS NO 3945-28-6 is a high-purity carbohydrate derivative, specifically a methyl glycoside of L-arabinose, serving as a crucial chiral building block and reference standard in advanced organic synthesis. Its defined stereochemistry and stability make it an essential intermediate for pharmaceutical research, particularly in the development of nucleoside analogs and complex glycoconjugates. This compound is primarily utilized by R&D laboratories, fine chemical manufacturers, and academic institutions focused on glycoscience, medicinal chemistry, and the production of high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of novel nucleoside-based antiviral and anticancer agents.
• Glycoconjugate Research: Serves as a fundamental building block for constructing complex oligosaccharides and glycoconjugates for biological studies.
• Biochemical Standard: Used as a high-purity reference standard in analytical methods (HPLC, GC) for carbohydrate analysis and quality control.
• Fine Chemical Synthesis: Employed in asymmetric synthesis and as a starting material for producing other specialty glycosides and sugar derivatives.
• Academic & Industrial R&D: Essential reagent for exploring glycosylation reactions, enzyme mechanisms, and carbohydrate chemistry in research settings.

Basic Information

Product Name	Methyl α-L-Arabinopyranoside
CAS No.	3945-28-6
Molecular Formula	C6H12O5
Molecular Weight	164.16 g/mol
Synonyms	Methyl α-L-arabinopyranoside; α-Methyl L-arabinopyranoside; L-Arabinose, methyl glycoside; Methyl α-L-arabinoside; α-L-Arabinopyranoside, methyl; Methyl α-L-arabinofuranoside (isomer); NSC 401122; Methyl pentoside
EINECS	223-540-6

Quality Control

Our Methyl α-L-Arabinopyranoside is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product is characterized and tested using advanced analytical techniques including HPLC, NMR, and optical rotation to confirm identity, purity, and chiral integrity. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which can affect stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]20/D	Contact for details
Loss on Drying	≤ 1.0%
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.