Description

4-Cyano-5-[(4,6-Diamino-2-Pyridinyl)Azo]-3-Methyl-2-Thiophenecarboxylic Acid Methyl Ester is a specialized heterocyclic azo dye intermediate of significant interest in advanced materials research and fine chemical synthesis. Its unique molecular architecture, featuring a thiophene core linked to a diaminopyridine via an azo bridge, makes it a valuable precursor for creating functional dyes and pigments with tailored optical properties. This compound is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and high-performance materials sectors seeking to develop novel colorants or functional molecules.

Application

• Precursor for Functional Dyes & Pigments: Serves as a key intermediate in the synthesis of specialized azo dyes for textiles, inks, and coatings requiring specific light-fastness or color properties.
• Pharmaceutical Research Intermediate: Used in the discovery and development of new active pharmaceutical ingredients (APIs), particularly those targeting specific biological pathways where the azo and heterocyclic motifs are relevant.
• Agrochemical Synthesis: Employed in the production of advanced crop protection agents and herbicides, where its complex structure can contribute to selective biological activity.
• Material Science Research: Investigated for use in organic semiconductors, non-linear optical (NLO) materials, and other advanced electronic applications due to its conjugated π-system.
• Analytical Chemistry Reagent: Potential use as a chromogenic agent or complexing ligand in spectroscopic analysis and sensor development.
• Chemical Biology Probes: Can be utilized to develop probes for studying biological processes, leveraging its fluorescent or colorimetric potential.

Basic Information

Product Name	4-Cyano-5-[(4,6-Diamino-2-Pyridinyl)Azo]-3-Methyl-2-Thiophenecarboxylic Acid Methyl Ester
CAS No.	72121-80-3
Molecular Formula	C14H13N7O2S
Molecular Weight	343.37 g/mol
Synonyms	Methyl 4-cyano-5-[(4,6-diamino-2-pyridinyl)azo]-3-methyl-2-thiophenecarboxylate; 4-Cyano-5-[(4,6-diamino-2-pyridinyl)azo]-3-methylthiophene-2-carboxylic acid methyl ester; 3-Methyl-4-cyano-5-[(4,6-diamino-2-pyridinyl)azo]thiophene-2-carboxylic acid methyl ester; Azo Thiophene Dye Intermediate; CAS 72121-80-3
EINECS	Contact for details

Quality Control

Our production of 4-Cyano-5-[(4,6-Diamino-2-Pyridinyl)Azo]-3-Methyl-2-Thiophenecarboxylic Acid Methyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity assessment, IR and NMR for structural confirmation, and residual solvent analysis. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every 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 (15-25°C). This compound is light-sensitive (store away from light). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maximize stability.

Specification

Item	Specification
Appearance	Orange to red-brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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