Description

L-(-)-Talose is a rare, naturally occurring monosaccharide belonging to the aldohexose family. This compound is a valuable chiral building block and reference standard in carbohydrate chemistry and biochemical research. It serves as a critical intermediate for the synthesis of complex glycans, nucleosides, and other biologically active molecules. Key industries that utilize this high-purity sugar include pharmaceutical development, academic research, and specialty chemical manufacturing.

Application

• As a chiral precursor and building block in the synthesis of novel pharmaceutical compounds and nucleoside analogs.
• Utilized as a biochemical research reagent and reference standard in carbohydrate metabolism and enzymology studies.
• Acts as a key intermediate for the preparation of complex oligosaccharides and glycoconjugates for glycobiology research.
• Employed in the development of diagnostic agents and molecular probes targeting carbohydrate-binding proteins.
• Serves as a starting material for the synthesis of specialty surfactants and fine chemicals with specific stereochemical requirements.
• Used in food science research as a rare sugar standard for analytical method development and validation.

Basic Information

Item	Detail
Product Name	L-(-)-Talose
CAS No.	23567-25-1
Molecular Formula	C6H12O6
Molecular Weight	180.16 g/mol
Synonyms	L-Talose; (-)-Talose; L-(-)-Talopyranose; (2S,3S,4S,5R)-2,3,4,5,6-Pentahydroxyhexanal; Talose, L-; 6-Deoxy-L-talose precursor; L-Altrose epimer
EINECS	Contact for details

Quality Control

Our L-(-)-Talose is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, optical rotation verification, and residual solvent analysis to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and conformance to specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. For long-term storage, consider storing under an inert atmosphere in a desiccator.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Specific Optical Rotation	-14° to -18° (c=1 in H2O)
Water Content (KF)	≤ 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.