Description

Pyrazolo[1,5-A]Pyridine-2-Carboxylic Acid, 3-Amino-, Ethyl Ester (9Ci) is a high-value, nitrogen-containing heterocyclic building block with significant synthetic utility. This compound is a key intermediate in the development of advanced pharmaceutical agents and agrochemicals, prized for its versatile chemical reactivity. It is primarily sought after by research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for kinase inhibitors and other targeted therapies.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold for bioactivity.
• Organic Synthesis Building Block: Serves as a versatile synthon for constructing complex polyheterocyclic compounds in academic and industrial research.
• Material Science Precursor: Potential use in the synthesis of organic ligands for catalysts or functional materials.
• Chemical Biology Probe Development: Employed in the design and synthesis of molecular probes for studying biological pathways.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyridine-2-Carboxylic Acid, 3-Amino-, Ethyl Ester (9Ci)
CAS No.	136548-63-5
Molecular Formula	C10H11N3O2
Molecular Weight	205.21 g/mol
Synonyms	3-Amino-1H-pyrazolo[1,5-a]pyridine-2-carboxylic acid ethyl ester; Ethyl 3-aminopyrazolo[1,5-a]pyridine-2-carboxylate; 3-Amino-pyrazolo[1,5-a]pyridine-2-carboxylic acid ethyl ester; 136548-63-5; Pyrazolo[1,5-a]pyridine-2-carboxylic acid, 3-amino-, ethyl ester; Ethyl 3-aminopyrazolo[1,5-a]pyridine-2-carboxylate; 3-Amino-1H-pyrazolo[1,5-a]pyridine-2-carboxylic acid ethyl ester (9CI)
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-A]Pyridine-2-Carboxylic Acid, 3-Amino-, Ethyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing all specifications and test results. We support custom synthesis and can tailor purity grades to meet specific R&D or cGMP requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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