Description

5-(1H-Pyrazol-4-Yl)-2-Thiophenecarboxylic Acid is a high-purity 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 pharmaceuticals and agrochemicals, where its unique fused pyrazole-thiophene scaffold enables the creation of molecules with targeted biological activity. It is primarily needed by research institutions and industrial R&D departments focused on medicinal chemistry, drug discovery, and material science.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs) targeting various disease pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive heterocyclic structure.
• Material Science: Serves as a building block for organic electronic materials, such as organic semiconductors and conductive polymers.
• Chemical Biology: Employed in the design and synthesis of molecular probes and enzyme inhibitors for biochemical research.
• Custom Synthesis: A versatile starting material for contract research organizations (CROs) and fine chemical manufacturers producing bespoke compounds.

Basic Information

Product Name	5-(1H-Pyrazol-4-Yl)-2-Thiophenecarboxylic Acid
CAS No.	1017794-49-8
Molecular Formula	C8H6N2O2S
Molecular Weight	194.21 g/mol
Synonyms	5-(1H-Pyrazol-4-yl)thiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 5-(1H-pyrazol-4-yl)-; 5-(1H-Pyrazol-4-yl)-2-thiophenecarboxylic acid; 5-(1H-Pyrazol-4-yl)thiophene-2-carboxylate; 1017794-49-8; 5-(1H-Pyrazol-4-yl)-2-thiophenecarboxylic acid (CAS 1017794-49-8); 5-(1H-Pyrazol-4-yl)thiophene-2-carboxylic acid (CAS 1017794-49-8)
EINECS	Contact for details

Quality Control

Our 5-(1H-Pyrazol-4-Yl)-2-Thiophenecarboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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 compound is moisture-sensitive; keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
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.