Description

Threo-Pentonic Acid, 2,3-Anhydro-4,5-Dideoxy-4-Methyl-, Methyl Ester (9Ci) is a specialized anhydro sugar derivative, serving as a crucial chiral building block and synthetic intermediate in advanced organic chemistry. Its unique fused-ring structure and defined stereochemistry make it valuable for constructing complex molecular architectures where precise spatial orientation is critical. This high-purity intermediate is essential for researchers and manufacturers in pharmaceutical development, agrochemical synthesis, and fine chemical production, particularly for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the synthesis of nucleoside analogs, antiviral agents, and other bioactive molecules.
• Agrochemical Research: Building block for developing novel herbicides, fungicides, and plant growth regulators with specific stereochemical requirements.
• Fine Chemical Synthesis: Used in the preparation of specialty chemicals, ligands for catalysis, and advanced materials.
• Academic & R&D: A valuable tool for methodological studies in carbohydrate chemistry, asymmetric synthesis, and total synthesis of natural products.
• Glycomimetics Development: Serves as a precursor for creating sugar mimics used in biochemical probes and drug discovery.

Basic Information

Product Name	Threo-Pentonic Acid, 2,3-Anhydro-4,5-Dideoxy-4-Methyl-, Methyl Ester (9Ci)
CAS No.	100939-33-1
Molecular Formula	C7H12O4
Molecular Weight	160.17 g/mol
Synonyms	Methyl 2,3-Anhydro-4,5-dideoxy-4-methyl-D-threo-pentonate; 2,3-Anhydro-4,5-dideoxy-4-methyl-D-threo-pentonic acid methyl ester; Methyl 2,3-anhydro-4,5-dideoxy-4-methyl-threo-pentonate; D-threo-Pentonic acid, 2,3-anhydro-4,5-dideoxy-4-methyl-, methyl ester; Anhydro sugar ester; 4-Methyl-2,3-anhydropentonic acid methyl ester
EINECS	Contact for details

Quality Control

Our Threo-Pentonic Acid, 2,3-Anhydro-4,5-Dideoxy-4-Methyl-, Methyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment, to ensure it meets the high standards required for research and synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and 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). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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