Description

1H-Thieno[3,2-C]Pyrazole-5-Carboxylic Acid, 3-Amino-, Ethyl 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 pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for the development of novel drug candidates, particularly in kinase inhibitor and other targeted therapeutic programs.
• Agrochemical Research: Used in the synthesis of new active ingredients for crop protection and pest management solutions.
• Material Science Precursor: Serves as a building block for advanced organic electronic materials and functional polymers.
• Chemical Biology Probe Development: Employed in the design and synthesis of molecular probes for studying biological pathways and target engagement.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences sector.
• Academic & Institutional Research: Used in university and research institute laboratories for methodological development and exploratory chemistry projects.

Basic Information

Product Name	1H-Thieno[3,2-C]Pyrazole-5-Carboxylic Acid, 3-Amino-, Ethyl Ester
CAS No.	648411-36-3
Molecular Formula	C8H9N3O2S
Molecular Weight	211.24 g/mol
Synonyms	Ethyl 3-amino-1H-thieno[3,2-c]pyrazole-5-carboxylate; 3-Amino-1H-thieno[3,2-c]pyrazole-5-carboxylic acid ethyl ester; 1H-Thieno[3,2-c]pyrazole-5-carboxylic acid, 3-amino-, ethyl ester; 648411-36-3; Ethyl 3-aminothieno[3,2-c]pyrazole-5-carboxylate; 3-Aminothieno[3,2-c]pyrazole-5-carboxylic acid ethyl ester; AKOS BRN 1258; SCHEMBL398830
EINECS	Contact for details

Quality Control

Our 1H-Thieno[3,2-C]Pyrazole-5-Carboxylic Acid, 3-Amino-, Ethyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and development. A detailed Certificate of Analysis (COA) is provided with each shipment, and we support our clients' regulatory needs with full traceability.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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