Description

1H-Pyrazole-3-Carboxylic Acid, 1-(4-Fluorophenyl)-5-(2-Thienyl)- is a high-value, multi-functional heterocyclic building block designed for advanced chemical synthesis. This compound is critical for research and development in the pharmaceutical and agrochemical sectors, where its unique pyrazole-thiophene-fluorophenyl core enables the creation of novel active molecules. It is primarily sought after by medicinal chemists and process development scientists for constructing complex pharmacophores and exploring new structure-activity relationships.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Investigated as a monomer or functional additive for creating specialty polymers with specific electronic or thermal properties.
• Chemical Biology: Employed as a molecular probe or scaffold in the design of enzyme inhibitors and receptor ligands for biological studies.
• Custom Synthesis & Contract Manufacturing: A vital starting material for fine chemical manufacturers offering bespoke synthesis services to the life sciences industry.

Basic Information

Product Name	1H-Pyrazole-3-Carboxylic Acid, 1-(4-Fluorophenyl)-5-(2-Thienyl)-
CAS No.	956704-21-5
Molecular Formula	C14H9FN2O2S
Molecular Weight	288.30 g/mol
Synonyms	1-(4-Fluorophenyl)-5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid; 5-(2-Thienyl)-1-(4-fluorophenyl)-1H-pyrazole-3-carboxylic acid; 1-(4-Fluorophenyl)-5-(2-thienyl)pyrazole-3-carboxylic acid; 1-(p-Fluorophenyl)-5-(2-thienyl)-1H-pyrazole-3-carboxylic acid; 956704-21-5; 1-(4-Fluorophenyl)-5-(thiophen-2-yl)-1H-pyrazole-3-carboxylic acid; 1-(4-Fluorophenyl)-5-(2-thienyl)-1H-pyrazole-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 1H-Pyrazole-3-Carboxylic Acid, 1-(4-Fluorophenyl)-5-(2-Thienyl)- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials are subjected to rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory 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). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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