Description

Erythro-Pentonic Acid, 2,3-Anhydro-4,5-Dideoxy-4-Methyl-, Methyl Ester (9Ci) is a specialized anhydro sugar derivative, a high-value chiral building block for advanced organic synthesis. This compound is critical for researchers and process chemists developing novel pharmaceuticals and fine chemicals where precise stereochemistry is paramount. Its unique fused-ring structure makes it an essential intermediate for synthesizing nucleoside analogs, antiviral agents, and other bioactive molecules. The CAS number for this product is 119163-07-4.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the research and development of nucleoside-based antiviral and anticancer drugs.
• Fine Chemical Synthesis: Serves as a versatile building block in the synthesis of complex natural products and specialty chemicals.
• Agrochemical Research: Used in the development of novel, stereospecific pesticides and herbicides.
• Academic & R&D: A valuable reagent for methodological studies in carbohydrate chemistry and asymmetric synthesis.
• Process Chemistry: Employed in scale-up and optimization for the commercial production of high-value active pharmaceutical ingredients (APIs).

Basic Information

Product Name	Erythro-Pentonic Acid, 2,3-Anhydro-4,5-Dideoxy-4-Methyl-, Methyl Ester (9Ci)
CAS No.	119163-07-4
Molecular Formula	C7H12O4
Molecular Weight	160.17 g/mol
Synonyms	Methyl 2,3-anhydro-4,5-dideoxy-4-methyl-D-erythro-pentonate; 2,3-Anhydro-4,5-dideoxy-4-methyl-D-erythro-pentonic acid methyl ester; Methyl 2,3-anhydro-4,5-dideoxy-4-methylerythropentonate; Anhydro sugar derivative CAS 119163-07-4; D-erythro-Pentonic acid, 2,3-anhydro-4,5-dideoxy-4-methyl-, methyl ester; 4,5-Dideoxy-4-methyl-2,3-anhydro-D-erythro-pentonic acid methyl ester
EINECS	Contact for details

Quality Control

Our Erythro-Pentonic Acid, 2,3-Anhydro-4,5-Dideoxy-4-Methyl-, Methyl Ester (9Ci) is produced under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chiral purity verification and impurity profiling by HPLC and GC, to ensure it meets the exacting standards required for pharmaceutical R&D. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere if specified. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 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.