Description

α-D-(+)-Talose is a rare, naturally occurring monosaccharide sugar that serves as a critical chiral building block and reference standard in advanced biochemical research and synthesis. Its unique stereochemistry makes it an invaluable tool for studying carbohydrate metabolism, enzyme specificity, and for the development of novel glycoconjugates. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and diagnostic sectors who require precise and reliable chiral intermediates for complex synthetic pathways.

Application

• Pharmaceutical Research & Development: As a chiral precursor or intermediate in the synthesis of complex drug molecules, nucleoside analogs, and glycomimetics.
• Biochemical & Enzymology Studies: Used as a substrate or inhibitor to investigate the activity, mechanism, and specificity of glycosidases, kinases, and other carbohydrate-processing enzymes.
• Analytical Reference Standard: Serves as a high-purity standard for chromatography (HPLC, GC) and spectroscopy (NMR) to identify, quantify, and characterize talose and related sugars in complex mixtures.
• Glycobiology & Glycoengineering: A fundamental building block for the chemoenzymatic synthesis of oligosaccharides, glycoproteins, and other biologically active glycoconjugates.
• Diagnostic Reagent Manufacturing: Employed in the formulation of specialized culture media, assay kits, and diagnostic reagents used in clinical and research laboratories.
• Academic & Industrial Research: A key material for basic research in organic chemistry, carbohydrate chemistry, and metabolic pathway analysis.

Basic Information

Product Name	α-D-(+)-Talose
CAS No.	7282-81-7
Molecular Formula	C6H12O6
Molecular Weight	180.16 g/mol
Synonyms	D-Talose; (+)-Talose; D-(+)-Talose; Talose; D-Talopyranose; α-D-Talopyranose; α-D-Talose; 6-Deoxy-L-talose enantiomer
EINECS	230-714-8

Quality Control

Our α-D-(+)-Talose is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, specific optical rotation, and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and commercial applications. Certificates of Analysis (COA) detailing all specifications and test results are provided with every shipment.

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) and must be kept in a desiccated environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Specific Optical Rotation [α]²⁰D	+20.5° to +22.5° (c=1 in H₂O)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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