Description

D-Erythro-Hexuronic Acid, 2,3-Anhydro-4,5-Dideoxy-, Methyl Ester (9Ci) is a specialized anhydro sugar derivative and a key chiral building block in advanced organic synthesis. This compound matters for its role in constructing complex carbohydrate mimetics and nucleoside analogs, offering precise stereochemical control. It is primarily needed by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and intermediates. The CAS number for this product is 138876-65-0.

Application

This high-purity chiral intermediate is utilized in a variety of sophisticated synthetic pathways.

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel nucleoside analogs and antiviral/antitumor agents.
• Carbohydrate Chemistry Research: Serves as a key building block for constructing complex oligosaccharides and glycomimetics.
• Agrochemical Synthesis: Used in the development of advanced chiral active ingredients for crop protection.
• Chemical Biology Probes: Employed in the creation of labeled or modified sugars for studying biological processes.
• Process Development: Acts as a starting material for scaling up the production of specialty fine chemicals.
• Academic & Industrial R&D: Essential for methodological development in stereoselective synthesis and medicinal chemistry.

Basic Information

Item	Details
Product Name	D-Erythro-Hexuronic Acid, 2,3-Anhydro-4,5-Dideoxy-, Methyl Ester (9Ci)
CAS No.	138876-65-0
Molecular Formula	C7H10O5
Molecular Weight	174.15 g/mol
Synonyms	Methyl 2,3-anhydro-4,5-dideoxy-D-erythro-hexuronate; 2,3-Anhydro-4,5-dideoxy-D-erythro-hexuronic acid methyl ester; Methyl 2,3-anhydro-4,5-dideoxy-D-erythro-hexopyranuronate; D-erythro-Hexuronic acid, 2,3-anhydro-4,5-dideoxy-, methyl ester; Anhydro sugar methyl ester; 138876-65-0; Methyl D-erythro-2,3-anhydro-4,5-dideoxyhexuronate
EINECS	Contact for details

Quality Control

Our production of D-Erythro-Hexuronic Acid, 2,3-Anhydro-4,5-Dideoxy-, Methyl Ester (9Ci) adheres to stringent quality protocols suitable for research and process development. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity. Certificates of Analysis (COA) with detailed chromatographic data are provided to ensure traceability and batch-to-batch consistency for your critical applications.

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). As with many fine organic chemicals, prolonged exposure to moisture or elevated temperatures should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Chiral Purity	≥ 98.0% ee
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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