Description

Pentanedioic Acid, 2-Cyano-3-Methyl-, Dimethyl Ester, (3R)- (9Ci) is a high-purity, chiral chemical intermediate of significant importance in advanced organic synthesis. Its value lies in its stereochemically defined structure, which is critical for producing optically active compounds with high enantiomeric purity. This product is essential for research and development chemists and process engineers in the pharmaceutical and fine chemical industries, particularly for the synthesis of active pharmaceutical ingredients (APIs) and complex chiral molecules.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of novel Active Pharmaceutical Ingredients (APIs) and drug candidates.
• Asymmetric Synthesis: Used as a precursor or reagent in catalytic asymmetric reactions to construct complex, stereodefined molecular architectures.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, agrochemicals, and advanced materials requiring high enantiopurity.
• Academic & Industrial R&D: Serves as a valuable compound for method development and research in synthetic organic chemistry and medicinal chemistry.
• Ligand and Catalyst Development: Potential use in the synthesis of novel chiral ligands or organocatalysts for enantioselective transformations.

Basic Information

Product Name	Pentanedioic Acid, 2-Cyano-3-Methyl-, Dimethyl Ester, (3R)- (9Ci)
CAS No.	906126-78-1
Molecular Formula	C9H13NO4
Molecular Weight	199.20 g/mol
Synonyms	(3R)-2-Cyano-3-methylpentanedioic acid dimethyl ester; Dimethyl (3R)-2-cyano-3-methylpentanedioate; (R)-2-Cyano-3-methylglutaric acid dimethyl ester; (R)-Dimethyl 2-cyano-3-methylglutarate; (3R)-2-Cyano-3-methylglutaric Acid Dimethyl Ester; (R)-Methyl 2-cyano-3-methylglutarate; 906126-78-1; (R)-2-Cyano-3-methylpentanedioic acid dimethyl ester
EINECS	Contact for details

Quality Control

Our Pentanedioic Acid, 2-Cyano-3-Methyl-, Dimethyl Ester, (3R)- (9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high chemical purity suitable for demanding synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing key parameters such as assay, enantiomeric excess (e.e.), and impurity profiles. Our quality management system is designed to meet the stringent requirements of pharmaceutical and fine chemical R&D.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0% e.e.
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.