Description

Ethyl 4-Oxo-1,4-Dihydropyrido[2,3-C]Pyridazine-3-Carboxylate is a high-purity heterocyclic building block and advanced pharmaceutical intermediate. This compound is critical for the synthesis of complex molecules, offering a versatile scaffold for medicinal chemistry research and development. It is primarily utilized by pharmaceutical R&D teams and fine chemical manufacturers engaged in the production of novel active pharmaceutical ingredients (APIs) and other high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Medicinal Chemistry Research: Serves as a versatile scaffold for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• Fine Chemical Synthesis: Used in the multi-step synthesis of complex heterocyclic compounds for agrochemicals and advanced material science.
• Contract Research & Manufacturing (CRAM): Supplied to CDMOs for the development and scale-up of custom synthesis projects requiring high-purity intermediates.
• Academic Research: Employed in university and institutional labs for methodological development and the study of heterocyclic chemistry.

Basic Information

Product Name	Ethyl 4-Oxo-1,4-Dihydropyrido[2,3-C]Pyridazine-3-Carboxylate
CAS No.	397309-57-8
Molecular Formula	C11H9N3O3
Molecular Weight	231.21 g/mol
Synonyms	Ethyl 4-oxo-1,4-dihydro-2,3-pyridopyridazine-3-carboxylate; 3-Carbethoxy-4-oxo-1,4-dihydropyrido[2,3-c]pyridazine; Ethyl 4-oxo-1H-pyrido[2,3-c]pyridazine-3-carboxylate; Pyrido[2,3-c]pyridazine-3-carboxylic acid, 1,4-dihydro-4-oxo-, ethyl ester; 397309-57-8; Ethyl 1,4-dihydro-4-oxopyrido[2,3-c]pyridazine-3-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 4-Oxo-1,4-Dihydropyrido[2,3-C]Pyridazine-3-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
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.