Description

1H-Thieno[3,2-C]Pyrazole-5-Carboxylic Acid, 3-Amino-, Methyl Ester is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a critical intermediate for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs). It is primarily needed by research institutions and pharmaceutical manufacturers engaged in medicinal chemistry and drug discovery programs.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new therapeutic agents, particularly in kinase inhibitor and other targeted therapy programs.
• Medicinal Chemistry Research: Used as a versatile scaffold for constructing libraries of novel compounds in high-throughput screening and structure-activity relationship (SAR) studies.
• Agrochemical Development: Serves as a building block in the synthesis of novel crop protection agents and pesticides.
• Material Science Precursor: Potential use in the synthesis of organic electronic materials and functional dyes due to its fused thienopyrazole structure.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and process development for the life sciences industry.

Basic Information

Product Name	1H-Thieno[3,2-C]Pyrazole-5-Carboxylic Acid, 3-Amino-, Methyl Ester
CAS No.	648411-35-2
Molecular Formula	C7H7N3O2S
Molecular Weight	197.21 g/mol
Synonyms	Methyl 3-amino-1H-thieno[3,2-c]pyrazole-5-carboxylate; 3-Amino-1H-thieno[3,2-c]pyrazole-5-carboxylic acid methyl ester; 1H-Thieno[3,2-c]pyrazole-5-carboxylic acid, 3-amino-, methyl ester; 648411-35-2; Methyl 3-aminothieno[3,2-c]pyrazole-5-carboxylate; 3-Aminothieno[3,2-c]pyrazole-5-carboxylic acid methyl ester; Thieno[3,2-c]pyrazole-5-carboxylic acid derivative
EINECS	Contact for details

Quality Control

Our 1H-Thieno[3,2-C]Pyrazole-5-Carboxylic Acid, 3-Amino-, Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for pharmaceutical R&D. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance and regulatory documentation.

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 nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.