Description

3-Methyl-1H-Thieno[2,3-C]Pyrazole-5-Carboxylic Acid is a high-value heterocyclic building block and key synthetic intermediate. This compound is essential for research and development in advanced organic synthesis, particularly for constructing complex molecular architectures. It is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers for applications in medicinal chemistry and material science.

Application

This specialized intermediate serves as a critical precursor in several high-tech chemical sectors:

• Pharmaceutical Intermediate: Core scaffold for the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly in therapeutic areas targeting specific enzymes or receptors.
• Agrochemical Research: Building block for developing new generation herbicides, fungicides, or insecticides with potentially improved efficacy and selectivity.
• Material Science: Used in the research and synthesis of advanced organic electronic materials, such as organic semiconductors or light-emitting materials.
• Chemical Biology & Proteomics: Serves as a versatile handle or linker for creating chemical probes to study biological processes and protein functions.
• Academic & Contract Research: Fundamental reagent for methodological development and exploration of new heterocyclic chemistry in university and CRO laboratories.

Basic Information

Product Name	3-Methyl-1H-Thieno[2,3-C]Pyrazole-5-Carboxylic Acid
CAS No.	873072-60-7
Molecular Formula	C7H6N2O2S
Molecular Weight	182.20 g/mol
Synonyms	3-Methyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid; 1H-Thieno[2,3-c]pyrazole-5-carboxylic acid, 3-methyl-; 3-Methyl-thieno[2,3-c]pyrazole-5-carboxylic acid; 3-Methyl-1H-thieno[2,3-c]pyrazole-5-carboxylic acid; 873072-60-7; Thieno[2,3-c]pyrazole-5-carboxylic acid, 3-methyl-1H-
EINECS	Contact for details

Quality Control

Our 3-Methyl-1H-Thieno[2,3-C]Pyrazole-5-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for purity, residual solvents, and related substances are provided with every shipment to support your quality assurance protocols.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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