Description

Galactopyranosyl(1-4)-n-Acetylgalactosaminyl(1-6)Galactose is a defined, high-purity oligosaccharide compound, also known as a core structure in glycobiology research. This compound matters for its role as a critical intermediate and reference standard in the synthesis and analysis of complex glycans and glycoconjugates. It is essential for researchers and manufacturers in the pharmaceutical, diagnostic, and biotechnology sectors who require precise carbohydrate building blocks for vaccine development, biomarker discovery, and the study of cell-surface interactions.

Application

• Glycobiology Research: Used as a key intermediate and reference standard for studying glycosylation pathways and carbohydrate-protein interactions.
• Pharmaceutical Development: Serves as a building block for the synthesis of complex carbohydrate-based vaccines, including potential cancer and bacterial vaccines.
• Diagnostic Reagents: Employed in the development of diagnostic kits and assays for detecting specific antibodies or lectins that recognize this glycan epitope.
• Bioconjugation: Acts as a starting material for the chemical or enzymatic synthesis of neoglycoconjugates used in drug delivery and targeting studies.
• Enzymatic Substrate: Functions as a substrate for glycosyltransferases and glycosidases in enzyme characterization and inhibitor screening assays.
• Standards for Analytical Chemistry: Provides a high-purity standard for HPLC, MS, and NMR analysis in quality control and structural elucidation of glycans.

Basic Information

Product Name	Galactopyranosyl(1-4)-n-Acetylgalactosaminyl(1-6)Galactose
CAS No.	99339-98-7
Molecular Formula	C26H45NO21
Molecular Weight	683.63 g/mol
Synonyms	Galβ(1-4)GalNAcα(1-6)Gal; Galactopyranosyl-(1→4)-2-acetamido-2-deoxy-galactopyranosyl-(1→6)-galactose; β-D-Galactopyranosyl-(1→4)-2-acetamido-2-deoxy-α-D-galactopyranosyl-(1→6)-D-galactose; 4-O-β-D-Galactopyranosyl-N-acetyl-α-D-galactosaminyl-(1→6)-D-galactose; Gal-GalNAc-Gal; A Trisaccharide Core Structure; Blood Group A Trisaccharide Derivative; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our Galactopyranosyl(1-4)-n-Acetylgalactosaminyl(1-6)Galactose is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, suitable for sensitive research and development applications. Each lot undergoes comprehensive analytical characterization, including HPLC, NMR, and MS, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a desiccated environment. This product is hygroscopic (moisture-sensitive). For long-term storage under inert atmosphere, seal under argon or nitrogen. Allow the sealed container to reach room temperature before opening to prevent condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Area %)
Water Content (KF)	≤ 5.0 %
Residual Solvents (GC)	Meets ICH guidelines

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