Description

Butanedioic Acid, Chloro-, Diethyl Ester, Radical Ion(1+) (9Ci) is a specialized organic intermediate featuring a reactive radical cation center. This compound matters for its unique reactivity profile, making it a valuable synthon for constructing complex molecular architectures in advanced chemical synthesis. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for developing novel active ingredients and fine chemicals. The CAS number for this compound is 111614-21-2.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those requiring complex chiral or functionalized succinate derivatives.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where its reactive center can be leveraged to introduce specific chloro-substituted moieties.
• Polymer Chemistry: Acts as a functional monomer or initiator in the production of specialty polymers with tailored properties, such as controlled degradation or specific side-chain functionality.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for radical-mediated reactions, including cyclizations and cross-coupling processes, due to its radical ion character.
• Material Science: Investigated for use in the synthesis of advanced organic electronic materials, where charged species can influence conductivity and optical properties.
• Ligand and Catalyst Precursor: Provides a framework for developing novel ligands or organocatalysts used in asymmetric synthesis and transition metal catalysis.

Basic Information

Product Name	Butanedioic Acid, Chloro-, Diethyl Ester, Radical Ion(1+) (9Ci)
CAS No.	111614-21-2
Molecular Formula	C8H14ClO4+
Molecular Weight	209.65 g/mol
Synonyms	Diethyl chlorosuccinate radical cation; Chlorosuccinic Acid Diethyl Ester Radical Cation; 1,4-Diethyl 2-chlorobutanedioate radical ion(1+); Succinic acid, 2-chloro-, 1,4-diethyl ester, radical ion(1+); Butanedioic acid, 2-chloro-, 1,4-diethyl ester, radical ion(1+); Diethyl 2-chlorosuccinate radical cation; Ethyl 2-chloro-4-ethoxy-4-oxobutanoate radical ion
EINECS	Contact for details

Quality Control

Our Butanedioic Acid, Chloro-, Diethyl Ester, Radical Ion(1+) (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including NMR and mass spectrometry, to confirm identity and purity. Certificates of Analysis (COA) detailing batch-specific results are available upon request to ensure traceability and meet the stringent requirements of research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its reactive nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) and keep away from strong bases and incompatible organic solvents. For long-term stability, storage at 2-8°C is advised.

Specification

Item	Specification
Appearance	Off-white to light yellow solid or solution
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Area %)
Solvent Content (GC)	Contact for details
Water Content (KF)	≤ 0.5%

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