Description

1 2:5 6-Bis-o-(1-Methylethylidene)-3- is a specialized organic compound, a derivative of a cyclic sugar or polyol, characterized by its acetal-protecting groups. This chemical matters as a crucial intermediate or building block in synthetic organic chemistry, enabling the selective manipulation of complex molecules. It is needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the multi-step synthesis of complex drug molecules, particularly where selective protection of hydroxyl groups is required.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Acts as a precursor for catalysts, ligands, and other high-value specialty chemicals.
• Academic & Industrial Research: A valuable reagent for methodological development in organic synthesis and carbohydrate chemistry.
• Material Science: Potential monomer or modifier in the synthesis of specialized polymers with tailored properties.

Basic Information

Product Name	1 2:5 6-Bis-o-(1-Methylethylidene)-3-
CAS No.	57819-56-4
Molecular Formula	C12H20O6
Molecular Weight	260.28 g/mol
Synonyms	1,2:5,6-Di-O-isopropylidene-α-D-glucofuranose; Diacetone glucose; 1,2:5,6-Di-O-isopropylidene-D-glucofuranose; Di-O-isopropylidene-D-glucofuranose; D-Glucofuranose, 1,2:5,6-di-O-(1-methylethylidene)-; 1,2:5,6-Di-O-(1-methylethylidene)-α-D-glucofuranose; Diacetone-D-glucose; DADG
EINECS	Contact for details

Quality Control

Our 1 2:5 6-Bis-o-(1-Methylethylidene)-3- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing all specifications are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This compound is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent moisture uptake.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	108 - 112 °C
Specific Rotation [α]20/D	-18° to -22° (c=1 in H2O)
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.