Description

4-Chloropyrazolo[1,5-A]Pyridine-3-Ethylformate is a high-purity, specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key intermediate for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries seeking to introduce the unique pyrazolopyridine scaffold into their target molecules.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of potential drug candidates, especially those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science Precursor: Acts as a starting material for creating specialized ligands, organic semiconductors, and photoactive compounds.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies and the exploration of new heterocyclic chemistry.
• Custom Synthesis: A foundational substrate for contract manufacturing organizations (CMOs) producing bespoke compounds for client-specific projects.

Basic Information

Product Name	4-Chloropyrazolo[1,5-A]Pyridine-3-Ethylformate
CAS No.	55899-27-9
Molecular Formula	C10H9ClN2O2
Molecular Weight	224.64 g/mol
Synonyms	4-Chloro-1H-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester; Ethyl 4-chloropyrazolo[1,5-a]pyridine-3-carboxylate; 4-Chloro-1H-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester; 4-Chloro-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester; 4-Chloro-1H-pyrazolo[1,5-a]pyridine-3-carboxylic acid, ethyl ester; Ethyl 4-chloro-1H-pyrazolo[1,5-a]pyridine-3-carboxylate; 55899-27-9; 4-Chloro-pyrazolo[1,5-a]pyridine-3-ethyl carboxylate
EINECS	Contact for details

Quality Control

Our 4-Chloropyrazolo[1,5-A]Pyridine-3-Ethylformate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our commitment to quality supports compliance with cGMP and ICH guidelines for advanced 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 (typically 15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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