Description

3-Cyclopropylpyrazole-5-Carboxylic Acid is a high-purity, functionalized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a versatile precursor for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for lead optimization and scalable synthesis.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging the bioactive cyclopropyl and pyrazole motifs.
• Ligand Synthesis: Serves as a precursor for creating specialized ligands in catalysis and metal-organic frameworks (MOFs).
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme function and biological pathways.
• Material Science: A building block for advanced polymers and functional materials with specific thermal or electronic properties.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for custom synthesis projects under cGMP or research-grade conditions.

Basic Information

Product Name	3-Cyclopropylpyrazole-5-Carboxylic Acid
CAS No.	401629-04-7
Molecular Formula	C7H8N2O2
Molecular Weight	152.15 g/mol
Synonyms	3-Cyclopropyl-1H-pyrazole-5-carboxylic acid; 3-Cyclopropyl-5-carboxypyrazole; 1H-Pyrazole-5-carboxylic acid, 3-cyclopropyl-; 5-Cyclopropyl-1H-pyrazole-3-carboxylic acid (tautomer); Cyclopropylpyrazolecarboxylic acid; CPCA (abbrev.); 401629-04-7 (CAS).
EINECS	Contact for details

Quality Control

Our 3-Cyclopropylpyrazole-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, ensuring full traceability and compliance with your internal quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation from atmospheric moisture. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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