Description

Pyrazolo[1,5-B]Pyridazine-3-Carboxaldehyde (9Ci) is a high-purity heterocyclic building block and key synthetic intermediate. This compound matters for its role in constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs). It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for lead optimization and scale-up synthesis.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides.
• Material Science: Serves as a building block for organic electronic materials and functional polymers.
• Chemical Biology: Employed in the design and synthesis of molecular probes and enzyme inhibitors.
• Academic & Contract Research: Essential for methodological studies and custom synthesis projects in R&D laboratories.

Basic Information

Product Name	Pyrazolo[1,5-B]Pyridazine-3-Carboxaldehyde (9Ci)
CAS No.	87754-35-6
Molecular Formula	C7H5N3O
Molecular Weight	147.14 g/mol
Synonyms	Pyrazolo[1,5-b]pyridazine-3-carboxaldehyde; 1H-Pyrazolo[1,5-b]pyridazine-3-carboxaldehyde; 87754-35-6; Pyrazolo[1,5-b]pyridazine-3-carbaldehyde; 3-Formylpyrazolo[1,5-b]pyridazine; Pyrazolo[1,5-b]pyridazine-3-carboxaldehyde (9CI)
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-B]Pyridazine-3-Carboxaldehyde is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms to reference spectrum
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.