Description

1H-Cyclopent[C]Isoxazole-6A(3H)-Carboxylicacid,Tetrahydro-1-Methyl-,Methylester,cis-(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key chiral intermediate in the development of novel active pharmaceutical ingredients (APIs) and other fine chemicals. Pharmaceutical R&D and fine chemical manufacturers need this high-purity intermediate to enable efficient, stereoselective synthetic routes.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of new therapeutic agents, particularly in central nervous system (CNS) and anti-infective drug candidates.
• Agrochemical Synthesis: Used in the production of advanced, high-efficacy pesticides and herbicides where specific stereochemistry is required for biological activity.
• Ligand and Catalyst Development: Serves as a precursor for creating novel chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Employed in the synthesis of specialized polymers and advanced organic materials with unique optical or electronic properties.
• Academic and Industrial R&D: A valuable tool for methodological studies in organic chemistry, particularly in cycloaddition and ring transformation reactions.

Basic Information

Product Name	1H-Cyclopent[C]Isoxazole-6A(3H)-Carboxylicacid,Tetrahydro-1-Methyl-,Methylester,cis-(9Ci)
CAS No.	93360-93-1
Molecular Formula	C9H13NO3
Molecular Weight	183.21 g/mol
Synonyms	cis-1-Methyl-1,4,4a,5,6,7-hexahydrocyclopent[c]isoxazole-6a-carboxylic acid methyl ester; Methyl cis-1-methyl-1,4,4a,5,6,7-hexahydrocyclopent[c]isoxazole-6a-carboxylate; (6aR,7aS)-1-Methyl-1,4,4a,5,6,7-hexahydrocyclopent[c]isoxazole-6a-carboxylic acid methyl ester; cis-1-Methyltetrahydro-1H-cyclopent[c]isoxazole-6a(3H)-carboxylic acid methyl ester; A key isoxazoline-fused cyclopentane derivative.
EINECS	Contact for details

Quality Control

Our 1H-Cyclopent[C]Isoxazole-6A(3H)-Carboxylicacid,Tetrahydro-1-Methyl-,Methylester,cis-(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure it meets the exacting standards required for pharmaceutical R&D. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your regulatory and quality assurance needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% (cis-isomer)
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines

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