Description

1,2:3,4-Di-o-Isopropylidene-6-o-p-Tolylsulfonyl-α-D-Galactose CAS NO 4478-43-7 is a high-purity, protected carbohydrate derivative, specifically a tosylated galactose intermediate. This compound is critically important as a key synthetic building block for the preparation of complex oligosaccharides, glycoconjugates, and other biologically active molecules. It is primarily needed by research institutions and pharmaceutical companies engaged in carbohydrate chemistry, glycoscience research, and the development of novel therapeutics and diagnostics.

Application

• Glycosylation Reagent: A crucial intermediate for the stereoselective synthesis of galactose-containing oligosaccharides and glycans.
• Pharmaceutical Intermediate: Used in the research and development of carbohydrate-based drugs, including antiviral agents, antibiotics, and cancer therapeutics.
• Glycoconjugate Synthesis: Serves as a precursor for creating glycoproteins, glycolipids, and other conjugates for biological studies.
• Chemical Biology Probes: Employed in the synthesis of labeled sugar analogs for studying carbohydrate metabolism and cell-surface interactions.
• Enzyme Substrate/Inhibitor Development: Used to create substrates or inhibitors for glycosidases and glycosyltransferases.
• Material Science: Potential building block for synthesizing specialized polymers and hydrogels with bioactive properties.

Basic Information

Product Name	1,2:3,4-Di-o-Isopropylidene-6-o-p-Tolylsulfonyl-α-D-Galactose
CAS No.	4478-43-7
Molecular Formula	C19H26O8S
Molecular Weight	414.47 g/mol
Synonyms	6-O-Tosyl-1,2:3,4-di-O-isopropylidene-α-D-galactopyranose; 1,2:3,4-Di-O-isopropylidene-6-O-(p-tolylsulfonyl)-α-D-galactopyranose; 6-O-p-Toluenesulfonyl-1,2:3,4-di-O-isopropylidene-α-D-galactose; D-Galactose, 1,2:3,4-di-O-(1-methylethylidene)-6-O-[(4-methylphenyl)sulfonyl]-, α-; 1,2:3,4-Diisopropylidene-6-O-tosyl-α-D-galactopyranose; 6-Tosyl-1,2:3,4-di-O-isopropylidene-α-D-galactose; α-D-Galactopyranose, 6-O-[(4-methylphenyl)sulfonyl]-1,2:3,4-di-O-(1-methylethylidene)-
EINECS	Contact for details

Quality Control

Our 1,2:3,4-Di-o-Isopropylidene-6-o-p-Tolylsulfonyl-α-D-Galactose is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and optical rotation measurement, to ensure high chemical purity and structural integrity suitable for advanced synthetic applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Specific Optical Rotation	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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