Description

Lewis A Trisaccharide is a defined carbohydrate structure widely used as a critical standard and reagent in glycobiology research. Its precise chemical structure makes it an essential tool for studying carbohydrate-protein interactions, cell signaling, and antigen specificity. This high-purity compound is primarily utilized by researchers and developers in the pharmaceutical, diagnostic, and life science industries to advance work in immunology, vaccine development, and biomarker discovery.

Application

• Glycobiology Research Standard: Serves as a primary reference standard for the analysis and characterization of complex carbohydrates and glycoconjugates.
• Enzyme Substrate & Inhibitor Studies: Used to investigate the activity and specificity of glycosyltransferases, glycosidases, and lectins.
• Diagnostic Reagent Development: Employed in the design and calibration of diagnostic assays for detecting specific antibodies or lectins related to blood group antigens and disease states.
• Vaccine & Therapeutic Research: Acts as a key component in the study of carbohydrate-based vaccines, particularly those targeting bacterial and cancer cell surface antigens.
• Cell-Cell Interaction Studies: Utilized to probe and inhibit selectin-mediated cell adhesion processes relevant to inflammation and metastasis.
• Biomarker Discovery: Applied in glycomics profiling to identify and validate disease-specific carbohydrate markers.
• Chromatography & Mass Spectrometry: Functions as a calibration standard and spike-in control for analytical techniques like HPLC and LC-MS.

Basic Information

Product Name	Lewis A Trisaccharide
CAS No.	56570-03-7
Molecular Formula	C20H35NO15
Molecular Weight	529.49 g/mol
Synonyms	Lea Trisaccharide; Lewis a Trisaccharide; Galβ1-3(Fucα1-4)GlcNAcβ-O-Sp; Lacto-N-fucopentaose I; LNF I; 2-Acetamido-2-deoxy-4-O-(β-D-galactopyranosyl)-3-O-(α-L-fucopyranosyl)-D-glucopyranose; Blood Group Lewis a Trisaccharide; α-L-Fuc-(1→4)-[β-D-Gal-(1→3)]-D-GlcNAc
EINECS	Contact for details

Quality Control

Our Lewis A Trisaccharide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/ MS for structural confirmation, to ensure identity, potency, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing the specific results for your quality assurance records.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C. This product is hygroscopic (moisture-sensitive). For long-term storage, consider desiccation or storage under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Specific Rotation	Contact for details

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