Description

Pyrazolo[1,5-A]Pyridine-5-Carboxaldehyde (9Ci) is a high-purity heterocyclic building block and key synthetic intermediate. This compound is valued for its versatile aldehyde functionality, which enables its use in the formation of complex molecular architectures through condensation and cyclization reactions. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting kinase inhibitors and other biologically active heterocycles.
• Agrochemical Research: Used in the development of new pesticides and herbicides, where its pyrazolopyridine core contributes to specific biological activity.
• Material Science: Serves as a building block for creating organic ligands in catalysis and for the development of advanced organic electronic materials.
• Chemical Synthesis: Employed in academic and industrial research for constructing complex fused heterocyclic systems via its reactive aldehyde group.
• Bioconjugation & Probe Development: The aldehyde moiety allows for site-specific labeling and conjugation in the development of biochemical probes and diagnostic agents.

Basic Information

Item	Detail
Product Name	Pyrazolo[1,5-A]Pyridine-5-Carboxaldehyde (9Ci)
CAS No.	474432-59-2
Molecular Formula	C8H6N2O
Molecular Weight	146.15 g/mol
Synonyms	5-Formylpyrazolo[1,5-a]pyridine; Pyrazolo[1,5-a]pyridine-5-carbaldehyde; 5-Pyrazolo[1,5-a]pyridinecarboxaldehyde; 474432-59-2; 5-Carboxaldehydepyrazolo[1,5-a]pyridine; Pyrazolo[1,5-a]pyridine-5-carboxaldehyde; 1H-Pyrazolo[1,5-a]pyridine-5-carboxaldehyde
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-A]Pyridine-5-Carboxaldehyde is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry place at 2-8°C for long-term stability. This compound is easily oxidized and light-sensitive; allow the sealed container to reach room temperature before opening to minimize moisture ingress and degradation.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.