Description

5-Nitro-Pyrazolo[1,5-A]Pyridine-3-Carboxylic Acid Ethyl Ester is a high-purity, advanced pharmaceutical intermediate characterized by its fused pyrazolopyridine heterocyclic core. This compound is of significant commercial value for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors engaged in developing new therapeutic agents and crop protection solutions.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those targeting kinase inhibition and other biological pathways.
• Agrochemical Research: Serves as a building block for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Organic Synthesis: Used in academic and industrial R&D for constructing complex nitrogen-containing heterocycles for material science and chemical biology.
• Chemical Reference Standard: Employed as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	5-Nitro-Pyrazolo[1,5-A]Pyridine-3-Carboxylic Acid Ethyl Ester
CAS No.	885271-11-4
Molecular Formula	C11H9N3O4
Molecular Weight	247.21 g/mol
Synonyms	Ethyl 5-Nitropyrazolo[1,5-a]pyridine-3-carboxylate; 5-Nitro-1H-pyrazolo[1,5-a]pyridine-3-carboxylic acid ethyl ester; 885271-11-4; Pyrazolo[1,5-a]pyridine-3-carboxylic acid, 5-nitro-, ethyl ester; Ethyl 5-nitropyrazolo[1,5-a]pyridine-3-carboxylate
EINECS	Contact for details

Quality Control

Our 5-Nitro-Pyrazolo[1,5-A]Pyridine-3-Carboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
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.