Description

D-Erythro-Pentonic Acid, 2,3-Dideoxy-2-(1-Methylethyl)-, γ-Lactone (9Ci) is a specialized chiral lactone derivative, serving as a high-value synthetic intermediate in advanced organic chemistry. Its unique stereochemistry and functionalized lactone ring make it a critical building block for constructing complex molecules with precise three-dimensional architecture. This compound is essential for research and development chemists in the pharmaceutical and fine chemical industries, particularly for the synthesis of novel active pharmaceutical ingredients (APIs), nucleoside analogs, and other biologically active compounds.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel Active Pharmaceutical Ingredients (APIs), especially nucleoside analogs and antiviral/antitumor agents.
• Fine Chemical Synthesis: Used as a versatile building block in asymmetric synthesis and total synthesis projects to introduce specific stereocenters and functional groups.
• Biochemical Research: Employed in the study of enzyme inhibitors, carbohydrate mimetics, and as a precursor for labeled compounds in metabolic pathway analysis.
• Agrochemical Development: Potential intermediate in the synthesis of advanced, chiral agrochemicals requiring specific biological activity.
• Material Science Precursor: Can serve as a starting material for the synthesis of specialized polymers or ligands with specific chiral properties.

Basic Information

Product Name	D-Erythro-Pentonic Acid, 2,3-Dideoxy-2-(1-Methylethyl)-, γ-Lactone (9Ci)
CAS No.	191152-27-9
Molecular Formula	C8H14O3
Molecular Weight	158.20 g/mol
Synonyms	2,3-Dideoxy-2-isopropyl-D-erythro-pentono-1,4-lactone; (3R,4R)-4-(Hydroxymethyl)-3-isopropyloxolan-2-one; D-erythro-Pentonic acid, 2,3-dideoxy-2-(1-methylethyl)-, γ-lactone; 2,3-Dideoxy-2-isopropyl-D-erythro-pentonic acid γ-lactone; Isopropyl-deoxy-pentono-lactone; 191152-27-9; Chiral isopropyl lactone intermediate
EINECS	Contact for details

Quality Control

Our D-Erythro-Pentonic Acid, 2,3-Dideoxy-2-(1-Methylethyl)-, γ-Lactone (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity verification, to ensure it meets the high standards required for research and synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting purity, identity, and critical impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The container should be kept tightly sealed to protect the contents from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 1.5%

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