Description

1H-Thieno[2,3-D]Imidazole-5-Carboxylic Acid (9Ci) is a high-purity, heterocyclic carboxylic acid building block of significant interest in advanced organic synthesis. Its unique fused-ring structure containing sulfur and nitrogen makes it a valuable precursor for developing novel pharmacologically active compounds. This intermediate is primarily sought after by research institutions and pharmaceutical companies engaged in the discovery and development of new therapeutic agents, particularly for applications requiring complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, especially those targeting specific enzyme pathways.
• Organic Synthesis Research: Used in academic and industrial R&D for constructing complex heterocyclic frameworks and exploring new chemical spaces.
• Agrochemical Development: Serves as a precursor in the research and synthesis of new active ingredients for crop protection products.
• Material Science: Potential use in the development of organic electronic materials or specialty polymers due to its conjugated system.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological processes.

Basic Information

Product Name	1H-Thieno[2,3-D]Imidazole-5-Carboxylic Acid (9Ci)
CAS No.	193066-59-0
Molecular Formula	C7H4N2O2S
Molecular Weight	180.18 g/mol
Synonyms	Thieno[2,3-d]imidazole-5-carboxylic acid; 1H-Thieno[2,3-d]imidazole-5-carboxylic acid; 5-Carboxy-1H-thieno[2,3-d]imidazole; Thienoimidazole-5-carboxylic acid; 193066-59-0; 1H-Thieno[2,3-d]imidazole-5-carboxylic acid (9CI); 5-Thieno[2,3-d]imidazolecarboxylic acid
EINECS	Contact for details

Quality Control

Our production of 1H-Thieno[2,3-D]Imidazole-5-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. The material is characterized and released according to comprehensive in-house specifications, which include identity confirmation, purity assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Any individual impurity ≤ 0.5%
Total Impurities	≤ 2.0%

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