Description

2-O,5-o-Dibenzoyl-1,4:3,6-Dianhydro-D-Mannitol is a high-purity, specialized chiral building block and pharmaceutical intermediate derived from D-mannitol. This compound matters for its role in asymmetric synthesis and as a precursor in the development of active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and advanced material sectors for creating enantiomerically pure products.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Asymmetric Catalyst Ligand Precursor: Used in the development of chiral ligands for catalytic asymmetric reactions.
• Agrochemical Research: Serves as a building block for creating enantiomerically pure pesticides and herbicides.
• Academic & Industrial R&D: Valuable reagent in organic synthesis research for constructing sugar-based architectures.
• Fine Chemical Production: Intermediate in the manufacture of specialty chemicals requiring high stereochemical purity.
• Material Science: Potential monomer or modifier for synthesizing polymers with specific chiral properties.

Basic Information

Product Name	2-O,5-o-Dibenzoyl-1,4:3,6-Dianhydro-D-Mannitol
CAS No.	24332-64-7
Molecular Formula	C22H20O7
Molecular Weight	396.39 g/mol
Synonyms	1,4:3,6-Dianhydro-2,5-di-O-benzoyl-D-mannitol; Dibenzoyl Isosorbide; 2,5-Di-O-benzoyl-1,4:3,6-dianhydro-D-mannitol; 2,5-Dibenzoyl Isosorbide; D-Isosorbide 2,5-dibenzoate; Isosorbide 2,5-dibenzoate; 1,4:3,6-Dianhydro-D-mannitol 2,5-dibenzoate
EINECS	Contact for details

Quality Control

Our 2-O,5-o-Dibenzoyl-1,4:3,6-Dianhydro-D-Mannitol is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chiral purity verification, to ensure it meets the high standards required for research and manufacturing. Certificates of Analysis (COA) with detailed specifications from HPLC, NMR, and optical rotation 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 place at a controlled room temperature (typically 15-25°C). Keep the container tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Optical Rotation	Specific range provided on COA
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.