Description

Pyrazolo[1,5-A]Pyridine, 7-Bromo-2-Ethyl- (9Ci) is a high-value brominated heterocyclic building block of significant interest in advanced organic synthesis. This compound serves as a critical intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily sought after by R&D chemists and process development scientists in the life sciences sector for the creation of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the development of new drug candidates, especially in kinase inhibitor and other small-molecule therapeutic programs.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, and insecticides, leveraging its unique pyrazolopyridine core.
• Material Science Precursor: Serves as a building block for organic electronic materials, such as ligands for OLEDs or charge-transport materials.
• Chemical Biology Probe Development: Employed in the design and synthesis of molecular probes for studying biological pathways and target engagement.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific custom synthesis projects.
• Academic & Industrial R&D: Utilized in research laboratories for methodological studies in cross-coupling reactions and heterocyclic chemistry.

Basic Information

Item	Details
Product Name	Pyrazolo[1,5-A]Pyridine, 7-Bromo-2-Ethyl- (9Ci)
CAS No.	475174-68-6
Molecular Formula	C9H9BrN2
Molecular Weight	225.09 g/mol
Synonyms	7-Bromo-2-ethylpyrazolo[1,5-a]pyridine; 2-Ethyl-7-bromopyrazolo[1,5-a]pyridine; 7-Bromo-2-ethyl-[1,5-a]pyrazolopyridine; 475174-68-6; Pyrazolo[1,5-a]pyridine, 7-bromo-2-ethyl-; SCHEMBL21883027; AKOS040759232; ZINC000003879756
EINECS	Contact for details

Quality Control

Every batch of 7-Bromo-2-ethylpyrazolo[1,5-a]pyridine is manufactured under strict quality management systems. We employ advanced analytical techniques, including HPLC, GC-MS, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat and incompatible materials. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 97.0%
Purity (HPLC Area %)	≥ 98.0%
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.