Description

5-Isoxazolecarboxylicacid,2-(Cyclopentylamino)-1-(4-Methoxyphenyl)-2-Oxoethylester(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel pharmacologically active molecules, particularly within medicinal chemistry research. Pharmaceutical R&D laboratories and fine chemical manufacturers need this high-purity intermediate to streamline the synthesis of complex target structures for drug discovery programs.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or anti-inflammatory pathways.
• Medicinal Chemistry Research: Used as a versatile scaffold for structure-activity relationship (SAR) studies and lead optimization in early-stage drug discovery.
• Organic Synthesis Building Block: Employed in the construction of complex heterocyclic systems, leveraging its reactive ester and amino functionalities for further derivatization.
• Agrochemical Research: Potential application as an intermediate in the development of new active ingredients for crop protection products.
• Academic & Contract Research: Utilized in university and CRO (Contract Research Organization) settings for methodological development and the synthesis of proprietary chemical libraries.

Basic Information

Product Name	5-Isoxazolecarboxylicacid,2-(Cyclopentylamino)-1-(4-Methoxyphenyl)-2-Oxoethylester(9Ci)
CAS No.	606102-37-8
Molecular Formula	C18H20N2O5
Molecular Weight	344.36 g/mol
Synonyms	2-(Cyclopentylamino)-1-(4-methoxyphenyl)-2-oxoethyl 5-isoxazolecarboxylate; 5-Isoxazolecarboxylic acid, 2-(cyclopentylamino)-1-(4-methoxyphenyl)-2-oxoethyl ester; Ethyl 2-(cyclopentylamino)-2-oxo-1-(4-methoxyphenyl)acetate isoxazole-5-carboxylate derivative; (9CI) Designated Compound 606102-37-8
EINECS	Contact for details

Quality Control

Our 5-Isoxazolecarboxylicacid,2-(Cyclopentylamino)-1-(4-Methoxyphenyl)-2-Oxoethylester(9Ci) is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for research and development. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP (current Good Manufacturing Practice) guidelines where applicable to support our clients' regulatory requirements.

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). This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere for prolonged storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.