Description

Diazenecarboxylic Acid, 2-Pyridinyl-, Ethyl Ester (9Ci) is a specialized organic compound belonging to the class of diazene derivatives, serving as a versatile building block in advanced chemical synthesis. Its core value lies in its utility as a key intermediate for constructing complex nitrogen-containing heterocycles, which are fundamental scaffolds in modern pharmaceuticals and agrochemicals. This high-purity intermediate is essential for research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality raw materials for their synthetic routes.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those containing pyridine and diazene motifs for targeted therapies.
• Agrochemical Synthesis: Used in the development and production of next-generation herbicides, insecticides, and fungicides, where its heterocyclic structure contributes to biological activity.
• Organic Synthesis Building Block: Employed in academic and industrial research laboratories for constructing complex molecules, facilitating studies in medicinal chemistry and material science.
• Ligand and Catalyst Development: Serves as a starting material for creating novel ligands and organocatalysts used in asymmetric synthesis and transition metal catalysis.
• Chemical Research & Development: Essential for process chemistry, route scouting, and scale-up activities for new chemical entities across multiple industries.

Basic Information

Product Name	Diazenecarboxylic Acid, 2-Pyridinyl-, Ethyl Ester (9Ci)
CAS No.	239077-00-0
Molecular Formula	C8H9N3O2
Molecular Weight	179.18 g/mol
Synonyms	Ethyl 2-Pyridinyldiazenecarboxylate; 2-Pyridyldiazenecarboxylic Acid Ethyl Ester; Ethyl (2-Pyridyl)diazenecarboxylate; Diazenecarboxylic acid, 2-pyridinyl-, ethyl ester; (2-Pyridyl)diazene ethyl carboxylate; Azodicarboxylic acid, (2-pyridyl)-, ethyl ester; 2-Pyridylazoformic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Diazenecarboxylic Acid, 2-Pyridinyl-, Ethyl Ester (9Ci) is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supported by a detailed Certificate of Analysis (COA). We are committed to meeting the stringent requirements of our global B2B clients, with quality protocols aligned with cGMP principles where applicable for pharmaceutical intermediates.

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). Keep the container tightly sealed when not in use to protect from moisture and atmospheric contamination. Store away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (HPLC)	≥ 98.0%
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.