Description

Pyrazolo[1,5-A]Pyridine-3,5-Dicarboxylic Acid, 3,5-Diethyl Ester is a high-purity, heterocyclic organic compound that serves as a critical advanced intermediate in modern synthetic chemistry. Its value lies in its versatile pyrazolopyridine core, which is a privileged scaffold for constructing complex molecules with targeted biological and material properties. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-quality building blocks for drug discovery and material science applications.

Application

This specialized intermediate is utilized in the synthesis of a wide range of advanced materials and active compounds. Key application areas include:

• Pharmaceutical Intermediates: A key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in the development of kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Research: Used in the creation of new pesticide and herbicide candidates, leveraging its heterocyclic structure for bioactivity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor for electron-transport or emissive layer materials in electronic displays and lighting.
• Coordination Chemistry & Ligand Synthesis: The dicarboxylic ester groups can be modified to create novel chelating ligands for catalysis and metal-organic frameworks (MOFs).
• Dye & Pigment Manufacturing: Acts as a core structure for developing high-performance, color-fast organic dyes and functional pigments.
• Academic & Contract Research: A valuable reagent for methodological development and exploratory synthesis in university and CRO laboratories.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyridine-3,5-Dicarboxylic Acid, 3,5-Diethyl Ester
CAS No.	51135-72-9
Molecular Formula	C14H14N2O4
Molecular Weight	274.27 g/mol
Synonyms	3,5-Diethyl Pyrazolo[1,5-a]pyridine-3,5-dicarboxylate; Diethyl Pyrazolo[1,5-a]pyridine-3,5-dicarboxylate; 3,5-Diethoxycarbonylpyrazolo[1,5-a]pyridine; Pyrazolo[1,5-a]pyridine-3,5-dicarboxylic acid diethyl ester; Ethyl Pyrazolo[1,5-a]pyridine-3,5-dicarboxylate; 51135-72-9; Pyrazolopyridine diester
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-A]Pyridine-3,5-Dicarboxylic Acid, 3,5-Diethyl Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with customer specifications and industry best practices for fine chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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