Description

D-Erythro-Pentitol, 2,4-Dideoxy-4-Methyl-3,5-o-(1-Methylethylidene)-, Acetate (9Ci) is a specialized, high-purity chemical intermediate characterized by its unique pentitol-derived structure with protective acetal and acetate groups. This compound matters for its role as a precise chiral building block in advanced organic synthesis, enabling the development of complex molecules with defined stereochemistry. It is primarily needed by research institutions and pharmaceutical companies engaged in the synthesis of nucleoside analogs, carbohydrate-based drugs, and other fine chemicals where stereochemical control is critical.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel therapeutic agents, particularly nucleoside analogs and antiviral drugs.
• Carbohydrate Chemistry Research: Used in academic and industrial laboratories for studying glycosylation reactions, protecting group strategies, and synthesizing complex sugar derivatives.
• Fine Chemical Synthesis: Serves as a specialized building block for creating high-value, stereochemically defined compounds for agrochemicals and material science applications.
• Process Development: Employed in scaling up synthetic routes for active pharmaceutical ingredients (APIs) that require this specific pentitol backbone.
• Reference Standard: Utilized as an analytical standard in quality control laboratories to verify the identity and purity of related compounds.

Basic Information

Product Name	D-Erythro-Pentitol, 2,4-Dideoxy-4-Methyl-3,5-o-(1-Methylethylidene)-, Acetate (9Ci)
CAS No.	781642-35-1
Molecular Formula	C13H22O6
Molecular Weight	274.31 g/mol
Synonyms	2,4-Dideoxy-4-methyl-3,5-O-(1-methylethylidene)-D-erythro-pentitol acetate; 1,2-O-Isopropylidene-3-O-acetyl-4-deoxy-4-C-methyl-D-erythro-pentitol; 3-O-Acetyl-1,2-O-isopropylidene-4-deoxy-4-C-methyl-D-erythro-pentitol; D-erythro-Pentitol, 2,4-dideoxy-4-methyl-3,5-O-(1-methylethylidene)-, acetate; Acetylated Isopropylidene-protected Methyl-deoxypentitol Derivative
EINECS	Contact for details

Quality Control

Our D-Erythro-Pentitol, 2,4-Dideoxy-4-Methyl-3,5-o-(1-Methylethylidene)-, Acetate (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and chiral analysis, to ensure high chemical and isomeric purity suitable for research and development applications. Certificates of Analysis (COA) with detailed chromatographic data are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is moisture-sensitive (hygroscopic); keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 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.