Description

O-α-D-Galactopyranosyl-(1-3)-O-β-D-galactopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-β-D-glucopyranosyl-(1-3)-O-β-D-galactopyranosyl-(1-4)-β-D-glucopyranose is a complex, well-defined oligosaccharide of significant interest in advanced biochemical research and development. This high-purity compound serves as a critical reference standard and building block for studying carbohydrate-protein interactions, particularly in the field of glycobiology. It is essential for researchers and manufacturers in the pharmaceutical, diagnostic, and life science sectors who require precise molecular tools for vaccine development, biomarker discovery, and the synthesis of novel glycoconjugates.

Application

• Glycobiology Research: Used as a precise reference standard and substrate for studying enzyme kinetics, biosynthetic pathways, and carbohydrate-mediated biological recognition.
• Pharmaceutical Development: Serves as a key intermediate or hapten in the research and development of carbohydrate-based vaccines, including potential cancer and antimicrobial vaccines.
• Diagnostic Reagent Manufacturing: Employed in the synthesis of neoglycoconjugates for diagnostic assays, ELISA kits, and microarray platforms to detect specific antibodies or lectins.
• Enzyme Substrate & Inhibitor Studies: Acts as a specific substrate for glycosyltransferases, glycosidases, and other carbohydrate-active enzymes to probe function and screen for inhibitors.
• Biomarker Discovery & Validation: Utilized in glycan array fabrication and binding studies to identify and characterize novel carbohydrate-binding proteins and biomarkers.
• Standards for Analytical Chemistry: Provides a high-purity calibrant for advanced analytical techniques such as HPLC, LC-MS, and NMR for method development and quality control.

Basic Information

Product Name	O-α-D-Galactopyranosyl-(1-3)-O-β-D-galactopyranosyl-(1-4)-O-2-(acetylamino)-2-deoxy-β-D-glucopyranosyl-(1-3)-O-β-D-galactopyranosyl-(1-4)-β-D-glucopyranose
CAS No.	177331-58-7
Molecular Formula	C38H64N2O31
Molecular Weight	997.91 g/mol
Synonyms	Galα1-3Galβ1-4GlcNAcβ1-3Galβ1-4Glc; P1 Trisaccharide; Galili Antigen Trisaccharide; α-Gal Epitope Trisaccharide; Blood Group P1 Antigen Trisaccharide; O-α-D-Galactopyranosyl-(1→3)-O-β-D-galactopyranosyl-(1→4)-2-acetamido-2-deoxy-β-D-glucopyranose; O-α-D-Gal-(1-3)-β-D-Gal-(1-4)-β-D-GlcNAc-(1-3)-β-D-Gal-(1-4)-D-Glc
EINECS	Contact for details

Quality Control

Every batch of this oligosaccharide is produced and analyzed under strict quality management protocols to ensure identity, purity, and batch-to-batch consistency. Our quality control includes comprehensive analytical characterization using techniques such as NMR, HPLC, and MS. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting critical parameters including assay purity, optical rotation, and residual solvent analysis. We adhere to cGMP principles for production where applicable, supporting its use in regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. This product is hygroscopic (moisture-sensitive). For long-term storage, consider desiccation. Allow the vial to equilibrate to room temperature in a dry atmosphere before opening to prevent condensation and moisture uptake.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (NMR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 95%
Optical Rotation	Contact for details
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.