Description

1,2:3,4-Di-o-Isopropylidene-α-D-Galacto-Hexadialdo-1,5-Pyranose CAS NO 4933-77-1 is a protected sugar derivative, specifically a galactose dialdehyde, that serves as a crucial chiral building block and synthetic intermediate. Its value lies in its reactive aldehyde groups and rigid, protected structure, enabling precise stereochemical control in complex organic syntheses. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries developing advanced active ingredients and specialty molecules.

Application

• Pharmaceutical Intermediate: A key chiral precursor for the synthesis of nucleoside analogs, antiviral agents, and other complex therapeutic molecules.
• Agrochemical Synthesis: Used in the production of advanced, stereospecific pesticides and plant growth regulators.
• Fine Chemical Building Block: Employed in the synthesis of specialty chemicals, flavors, fragrances, and advanced materials requiring specific sugar-based architectures.
• Glycochemistry Research: A fundamental starting material for constructing complex oligosaccharides, glycoconjugates, and glycomimetics in academic and industrial R&D.
• Diagnostic Reagent Development: Utilized in the creation of labeled probes and substrates for enzymatic assays and diagnostic kits.
• Catalyst and Ligand Synthesis: Serves as a scaffold for developing chiral ligands and organocatalysts used in asymmetric synthesis.

Basic Information

Product Name	1,2:3,4-Di-o-Isopropylidene-α-D-Galacto-Hexadialdo-1,5-Pyranose
CAS No.	4933-77-1
Molecular Formula	C12H18O6
Molecular Weight	258.27 g/mol
Synonyms	1,2:3,4-Di-O-isopropylidene-α-D-galacto-hexodialdo-1,5-pyranose; D-Galactose Diethyl Acetal; 1,2:3,4-Di-O-isopropylidene-α-D-galactopyranose Dialdehyde; α-D-Galacto-Hexodialdo-1,5-pyranose, 1,2:3,4-Di-O-(1-methylethylidene)-; 1,2:3,4-Di-O-isopropylidene-α-D-galacto-hexodialdo-1,5-pyranose; Isopropylidene-protected Galactose Dialdehyde
EINECS	225-577-5

Quality Control

Our 1,2:3,4-Di-o-Isopropylidene-α-D-Galacto-Hexadialdo-1,5-Pyranose is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing all specifications are available upon request, providing full traceability and quality assurance for your critical processes.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Specific Rotation [α]²⁰D	-80° to -85° (c=1 in CHCl₃)

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