Description

Butanoic Acid, (2S)-2-Pyrrolidinyl Ester (9Ci) is a specialized chiral intermediate of significant interest in advanced organic synthesis. Its value lies in its defined stereochemistry and functional groups, which make it a versatile building block for constructing complex, biologically active molecules. This compound is primarily needed by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new active pharmaceutical ingredients (APIs), particularly in areas requiring specific stereochemical control.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the defined stereochemistry can influence biological activity and selectivity.
• Asymmetric Catalysis: Serves as a precursor or ligand in the development of chiral catalysts for enantioselective synthesis.
• Fine Chemical Production: Employed in the manufacture of high-value specialty chemicals, flavors, and fragrances requiring precise molecular architecture.
• Academic & Industrial Research: A valuable compound for methodological studies in organic chemistry, particularly in exploring new synthetic routes to nitrogen-containing heterocycles.

Basic Information

Product Name	Butanoic Acid, (2S)-2-Pyrrolidinyl Ester (9Ci)
CAS No.	221911-70-2
Molecular Formula	C8H15NO2
Molecular Weight	157.21 g/mol
Synonyms	(S)-2-Pyrrolidinyl Butyrate; (2S)-2-Pyrrolidinyl Butanoate; L-Proline Butyrate Ester; Butyric Acid (2S)-2-Pyrrolidinyl Ester; 1-Butanoyl-(2S)-pyrrolidine; (S)-1-Butanoylpyrrolidine; (S)-N-Butanoylpyrrolidine; (S)-N-Butyryl-2-pyrrolidine
EINECS	Contact for details

Quality Control

Our production of Butanoic Acid, (2S)-2-Pyrrolidinyl Ester (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high chemical purity. Each lot is characterized and tested to confirm identity, purity, and enantiomeric excess. Certificates of Analysis (COA) detailing specific results are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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