Description

3-Cyclopentapyrazolecarboxylicacid,2,4,5,6-Tetrahydro-,Methylester(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key precursor for constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a critical scaffold in the synthesis of novel drug candidates targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Used as a building block for developing new generation pesticides and herbicides with enhanced efficacy and selectivity.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Acts as a precursor for synthesizing dyes, pigments, and other performance chemicals requiring specific heterocyclic structures.
• Academic & Institutional Research: Utilized in universities and research institutes for methodological studies in heterocyclic and medicinal chemistry.
• Custom Synthesis: Provides a versatile starting point for contract research organizations (CROs) and CDMOs engaged in custom synthesis projects.

Basic Information

Product Name	3-Cyclopentapyrazolecarboxylicacid,2,4,5,6-Tetrahydro-,Methylester(9Ci)
CAS No.	713125-58-7
Molecular Formula	C9H12N2O2
Molecular Weight	180.20 g/mol
Synonyms	Methyl 2,4,5,6-tetrahydro-1H-cyclopenta[c]pyrazole-3-carboxylate; 1H-Cyclopenta[c]pyrazole-3-carboxylic acid, 2,4,5,6-tetrahydro-, methyl ester; Methyl 2,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylate; 3-Carbomethoxy-2,4,5,6-tetrahydrocyclopentapyrazole; Cyclopentapyrazole-3-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our 3-Cyclopentapyrazolecarboxylicacid,2,4,5,6-Tetrahydro-,Methylester(9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines
Water Content (KF)	≤ 0.5%

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