Description

2,3:4,5-Di-o-Isopropylidene-D-*Arabinitol is a high-purity, protected sugar derivative and a versatile chiral building block. This compound is critical for the synthesis of complex molecules where precise stereochemistry is required. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for developing active ingredients and advanced intermediates.

Application

• Chiral Auxiliary and Ligand Synthesis: Used in the preparation of chiral catalysts and ligands for asymmetric synthesis.
• Pharmaceutical Intermediate: Serves as a key starting material for nucleoside analogs, antiviral drugs, and other bioactive molecules.
• Agrochemical Development: Employed in the research and production of enantiomerically pure pesticides and herbicides.
• Fine Chemical Production: Acts as a precursor for specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Academic and Industrial Research: A valuable tool in organic chemistry research for studying stereoselective reactions and pathway development.
• Diagnostic Reagent Manufacturing: Used in the synthesis of components for diagnostic kits and biochemical assays.

Basic Information

Product Name	2,3:4,5-Di-o-Isopropylidene-D-*Arabinitol
CAS No.	19139-74-3
Molecular Formula	C11H20O5
Molecular Weight	232.27 g/mol
Synonyms	1,2:3,4-Di-O-isopropylidene-D-arabinitol; D-Arabinitol, 1,2:3,4-di-O-(1-methylethylidene)-; 1,2:3,4-Di-O-isopropylidene-D-arabitol; Diacetone D-arabinitol; 2,3:4,5-Di-O-isopropylidene-D-arabinitol; D-(-)-1,2:3,4-Diisopropylidene arabinose; 1,2:3,4-Di-O-isopropylidene-D-arabinose
EINECS	242-849-7

Quality Control

Our 2,3:4,5-Di-o-Isopropylidene-D-*Arabinitol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and chiral purity analysis, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing purity, identity, and specific impurity profiles are available upon request to support your quality assurance protocols.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Optical Rotation [α]20/D	-45° to -50° (c=1 in CHCl3)
Melting Point	78°C - 82°C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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