Description

4-o-(A-D-Galactopyranosyl)-D-Galactose is a specialized disaccharide sugar derivative, consisting of two galactose units linked via an α-glycosidic bond. This compound is of significant interest for its role as a biochemical building block and a key intermediate in carbohydrate synthesis and research. It is primarily sought by professionals in the pharmaceutical, biotechnology, and life science sectors for applications in glycobiology, diagnostic reagent development, and as a reference standard.

Application

• Glycobiology Research: Used as a critical substrate or intermediate for studying glycosyltransferase enzymes and carbohydrate-protein interactions.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of complex oligosaccharides for novel drug candidates and vaccines.
• Diagnostic Reagents: Employed in the development of enzymatic assays and diagnostic kits for metabolic disorders.
• Biochemical Standards: Acts as a high-purity reference standard for analytical methods like HPLC and mass spectrometry.
• Nutritional Science Studies: Investigated for its prebiotic potential and metabolism within gut microbiota.
• Enzyme Characterization: Utilized as a specific substrate to characterize the activity and specificity of α-galactosidases and related enzymes.

Basic Information

Product Name	4-o-(A-D-Galactopyranosyl)-D-Galactose
CAS No.	80446-85-1
Molecular Formula	C12H22O11
Molecular Weight	342.30 g/mol
Synonyms	4-O-α-D-Galactopyranosyl-D-galactose; α-D-Galactopyranosyl-(1→4)-D-galactose; 4'-α-Galactosyl-lactose; D-Galactose, 4-O-α-D-galactopyranosyl-; 1,4-α-D-Galactobiose; α-Galactobiose; 4-α-Galactosylgalactose
EINECS	Contact for details

Quality Control

Our 4-o-(A-D-Galactopyranosyl)-D-Galactose is produced under stringent quality management systems. Each batch is subjected to comprehensive analytical testing, including identity confirmation by IR and NMR, purity assessment by HPLC, and specific tests for moisture and related substances. A detailed Certificate of Analysis (COA) is provided with every shipment, ensuring traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity. For long-term storage, consider desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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