Description

Pentonic Acid, 4,5-Dideoxy-2,3-o-(1-Methylethylidene)-, Ethyl Ester (9Ci) is a specialized carbohydrate derivative and protected sugar intermediate. This compound is valued for its role as a versatile chiral building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for applications in asymmetric synthesis and medicinal chemistry.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of nucleoside analogs, antiviral agents, and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides that require specific stereochemistry.
• Fine Chemical Production: Acts as a precursor for complex carbohydrates, glycoconjugates, and other high-value specialty chemicals.
• Academic & Industrial Research: Employed in methodological studies for developing new glycosylation reactions and protecting group strategies.
• Glycobiology & Diagnostics: Potential use in the synthesis of probes and standards for studying carbohydrate-protein interactions.

Basic Information

Product Name	Pentonic Acid, 4,5-Dideoxy-2,3-o-(1-Methylethylidene)-, Ethyl Ester (9Ci)
CAS No.	477842-58-3
Molecular Formula	C12H20O6
Molecular Weight	260.28 g/mol
Synonyms	Ethyl 4,5-dideoxy-2,3-O-isopropylidene-D-pentonate; 4,5-Dideoxy-2,3-O-isopropylidene-D-pentonic acid ethyl ester; D-Pentonic acid, 4,5-dideoxy-2,3-O-(1-methylethylidene)-, ethyl ester; Isopropylidene-protected pentonate ethyl ester; Ethyl 4,5-dideoxy-2,3-O-(1-methylethylidene)-pentonate; Chiral sugar acid ester; Protected deoxypentonic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Pentonic Acid, 4,5-Dideoxy-2,3-o-(1-Methylethylidene)-, Ethyl Ester (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure high chemical and isomeric purity suitable for sensitive synthetic applications. Certificates of Analysis (COA) with detailed chromatographic data are provided to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound may be hygroscopic; keep the container tightly sealed in a dry environment to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
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.