Description

3-(5-Methyl-2-Thienyl)-1H-Pyrazole-5-Carboxylic Acid is a high-purity heterocyclic carboxylic acid building block of significant interest in advanced organic synthesis. Its core value lies in its unique molecular architecture, which combines a pyrazole ring with a thiophene moiety, making it a versatile intermediate for constructing complex pharmacophores. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the discovery and development of new active ingredients. Its specific structure is targeted for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic framework for bioactivity.
• Ligand Synthesis: Serves as a precursor for creating specialized ligands in catalysis and coordination chemistry.
• Material Science Precursor: Potential intermediate in the synthesis of organic electronic materials and advanced polymers.
• Chemical Biology Probe Development: Utilized in constructing molecular probes for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthetic projects.

Basic Information

Product Name	3-(5-Methyl-2-Thienyl)-1H-Pyrazole-5-Carboxylic Acid
CAS No.	1025010-00-7
Molecular Formula	C9H8N2O2S
Molecular Weight	208.24 g/mol
Synonyms	3-(5-Methylthiophen-2-yl)-1H-pyrazole-5-carboxylic acid; 1H-Pyrazole-5-carboxylic acid, 3-(5-methyl-2-thienyl)-; 3-(5-Methyl-2-thienyl)-1H-pyrazole-5-carboxylic acid; 5-Methyl-2-thienyl pyrazole carboxylic acid; Pyrazole-thiophene carboxylic acid derivative; 1025010-00-7 (CAS Name); 3-(5-Methylthien-2-yl)-1H-pyrazole-5-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 3-(5-Methyl-2-Thienyl)-1H-Pyrazole-5-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability for critical R&D and scale-up processes. Each lot undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all specifications and test results. We support compliance with relevant regulatory frameworks for advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture. Store away from incompatible materials.

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% (Area %)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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