Description

3-Thiophenecarboxylicacid,4-Cyano-(9Ci) is a specialized heterocyclic building block featuring both a carboxylic acid and a cyano substituent on the thiophene ring. This unique bifunctional structure makes it a valuable intermediate for synthesizing complex molecules in advanced research and development. It is primarily sought after by pharmaceutical, agrochemical, and materials science industries for applications in drug discovery, ligand synthesis, and the creation of novel functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging the thiophene scaffold's bioactivity.
• Organic Electronic Materials: Serves as a building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and solar cells.
• Ligand and Catalyst Development: The carboxylic acid and nitrile groups allow for complexation with metals, making it useful for creating novel ligands in catalysis and coordination chemistry.
• Chemical Research & Development: Employed as a versatile synthon in academic and industrial R&D for exploring new chemical spaces and reaction methodologies.
• Dye and Pigment Intermediate: Used in the synthesis of specialized dyes and pigments where the thiophene core contributes to color and stability properties.

Basic Information

Product Name	3-Thiophenecarboxylicacid,4-Cyano-(9Ci)
CAS No.	78071-34-8
Molecular Formula	C6H3NO2S
Molecular Weight	153.16 g/mol
Synonyms	4-Cyanothiophene-3-carboxylic acid; 3-Carboxy-4-cyanothiophene; 4-Cyano-3-thiophenecarboxylic acid; 4-Cyano-thiophene-3-carboxylic acid; 3-Thiophenecarboxylic acid, 4-cyano-; 4-CN-3-ThCOOH; 78071-34-8
EINECS	Contact for details

Quality Control

Our 3-Thiophenecarboxylicacid,4-Cyano-(9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and FTIR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for reliable supply to regulated industries.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.