Description

Threo-Pentonic Acid, 4,5-Dideoxy-2,3-o-1,2-Ethanediyl-3-C-Methyl-, Ethyl Ester (9Ci) is a specialized chiral building block and synthetic intermediate of significant interest in advanced organic synthesis. This compound matters for its role in constructing complex molecular architectures, particularly in the development of novel pharmaceuticals and fine chemicals. It is primarily needed by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for applications requiring high stereochemical control. The CAS number for this compound is 779333-48-1.

Application

• Pharmaceutical Intermediate: Key chiral synthon for the research and development of active pharmaceutical ingredients (APIs), especially nucleoside analogs and carbohydrate-based therapeutics.
• Agrochemical Synthesis: Building block for creating novel, stereochemically-defined pesticides and herbicides with potentially enhanced efficacy and selectivity.
• Fine Chemical Production: Used in the synthesis of complex natural products, flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial Research: Serves as a critical reagent in methodological studies for asymmetric synthesis and carbohydrate chemistry.
• Material Science Precursor: Potential starting material for synthesizing functionalized polymers or ligands with specific chiral environments.

Basic Information

Product Name	Threo-Pentonic Acid, 4,5-Dideoxy-2,3-o-1,2-Ethanediyl-3-C-Methyl-, Ethyl Ester (9Ci)
CAS No.	779333-48-1
Molecular Formula	C10H16O5
Molecular Weight	216.23 g/mol
Synonyms	Ethyl 4,5-dideoxy-2,3-O-ethylidene-3-C-methyl-D-threo-pentonate; Ethyl 4,5-dideoxy-2,3-O-(1,2-ethanediyl)-3-C-methyl-D-threo-pentonate; D-threo-Pentonic acid, 4,5-dideoxy-2,3-O-(1,2-ethanediyl)-3-C-methyl-, ethyl ester; 4,5-Dideoxy-2,3-O-ethylidene-3-C-methyl-D-threo-pentonic Acid Ethyl Ester; 779333-48-1; Ethyl 4,5-dideoxy-2,3-O-ethylidene-3-C-methyl-threo-pentonate
EINECS	Contact for details

Quality Control

Our Threo-Pentonic Acid derivative is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets the exacting standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided and available upon request to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). This material may be moisture-sensitive; keep the container tightly sealed under an inert atmosphere if specified.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
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.