Description

D-Galactopyranosyl is a fundamental monosaccharide derivative and a key building block in carbohydrate chemistry. This compound is essential for the synthesis of complex oligosaccharides, glycoconjugates, and other biologically active molecules. It is a critical raw material for researchers and manufacturers in the pharmaceutical, biotechnology, and nutraceutical industries, where precise glycosylation is required. Its high purity and consistent quality are vital for ensuring reproducible results in advanced biochemical applications.

Application

• Pharmaceutical Intermediates: Serves as a crucial precursor in the synthesis of novel glycosylated drugs, prodrugs, and diagnostic agents.
• Glycobiology Research: Used as a standard and building block for studying carbohydrate-protein interactions, enzyme mechanisms, and cell signaling pathways.
• Oligosaccharide Synthesis: A fundamental monomer for the chemical and enzymatic construction of complex oligosaccharides and glycans.
• Nutraceutical Development: Employed in the research and production of advanced prebiotics, human milk oligosaccharide (HMO) analogs, and functional food ingredients.
• Bioconjugation: Facilitates the site-specific glycosylation of proteins, peptides, and other biomolecules to alter their properties and stability.
• Diagnostic Reagents: Used in the development of assays and kits for detecting specific carbohydrates or carbohydrate-binding proteins.

Basic Information

Product Name	D-Galactopyranosyl
CAS No.	18972-90-2
Molecular Formula	C6H12O6
Molecular Weight	180.16 g/mol
Synonyms	D-Galactopyranose; Galactose; D-(+)-Galactose; D-Gal; Brain Sugar; Gal; (3R,4S,5R,6R)-6-(Hydroxymethyl)oxane-2,3,4,5-tetrol
EINECS	242-354-0

Quality Control

Our D-Galactopyranosyl is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, specific optical rotation, and residual solvent analysis, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We can supply material compliant with various pharmacopeial standards (e.g., USP, EP) upon request.

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). This product is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Specific Optical Rotation	+78.0° to +82.0° (c=10, H2O)
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.