Description

Benzyl2-Acetamido-3-o-(2,3,4,6-Tetra-o-Acetyl-B-D-Galactopyranosyl)-2-Deoxy-A-D-Galactopyranoside CAS NO 90754-57-7 is a protected glycosyl donor derivative, a crucial advanced intermediate in synthetic carbohydrate chemistry. Its value lies in providing a highly reactive, selectively acetylated galactose moiety for the controlled synthesis of complex oligosaccharides and glycoconjugates. This compound is essential for researchers and manufacturers in pharmaceutical development, particularly for creating glycan-based drug candidates, diagnostic tools, and vaccine components.

Application

• Glycoconjugate Synthesis: A key building block for the chemical and enzymatic synthesis of tumor-associated carbohydrate antigens (TACAs) and other biologically active oligosaccharides.
• Pharmaceutical Intermediates: Used in the research and production of novel glycotherapeutic agents, including anti-cancer and anti-inflammatory drugs.
• Carbohydrate Chemistry Research: Serves as a standard reagent in academic and industrial labs for studying glycosylation reactions and developing new synthetic methodologies.
• Diagnostic Reagent Development: Employed in the creation of synthetic antigens for immunoassays and biosensors targeting specific carbohydrate epitopes.
• Vaccine Adjuvant & Carrier Development: Utilized in the design and synthesis of carbohydrate-based vaccine candidates to enhance immunogenicity.
• Biochemical Tool Compound: Acts as a substrate or inhibitor for glycosyltransferases and glycosidases in enzymatic studies.

Basic Information

Product Name	Benzyl2-Acetamido-3-o-(2,3,4,6-Tetra-o-Acetyl-B-D-Galactopyranosyl)-2-Deoxy-A-D-Galactopyranoside
CAS No.	90754-57-7
Molecular Formula	C32H43NO15
Molecular Weight	681.69 g/mol
Synonyms	Benzyl O-(2-acetamido-2-deoxy-α-D-galactopyranosyl)-(1→3)-2,4,6-tri-O-acetyl-β-D-galactopyranoside; Benzyl 2-acetamido-2-deoxy-3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-α-D-galactopyranoside; Galβ(1-3)GalNAcα-OBn peracetate; T-antigen precursor derivative; Benzyl 3-O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-2-acetamido-2-deoxy-α-D-galactopyranoside; Protected Tn antigen analog; Ac4Galβ1-3GalNAcα-OBn
EINECS	Contact for details

Quality Control

Our production of this advanced synthetic intermediate adheres to stringent quality protocols. Each batch is characterized and tested to ensure high chemical purity and structural integrity, critical for reproducible glycosylation reactions. Quality is verified by HPLC, NMR, and MS analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your research and cGMP development needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C (refrigerated) or as indicated on the label or COA. This compound is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions when possible. Keep container tightly sealed in a desiccator after opening to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 2.0 %
Residual Solvents (GC)	Meets ICH guidelines
Specific Rotation	Contact for details

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