Description

3-Pyridazinecarbamic Acid, 1,4,5,6-Tetrahydro-6-Oxo-, Ethyl Ester (5Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of novel pharmacologically active molecules, particularly within the agrochemical and pharmaceutical sectors. It is primarily needed by R&D chemists and process development scientists working on nitrogen-containing heterocycles, offering a versatile scaffold for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, such as herbicides and insecticides.
• Chemical Biology Probe: Acts as a scaffold for creating molecular probes to study enzyme function and biological pathways.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific electronic or binding properties.
• Academic & Institutional R&D: Employed in universities and research institutes for fundamental studies in heterocyclic and medicinal chemistry.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	3-Pyridazinecarbamic Acid, 1,4,5,6-Tetrahydro-6-Oxo-, Ethyl Ester (5Ci)
CAS No.	856847-44-4
Molecular Formula	C8H11N3O3
Molecular Weight	197.19 g/mol
Synonyms	Ethyl 1,4,5,6-tetrahydro-6-oxo-3-pyridazinecarbamate; 3-Pyridazinecarbamic acid, 1,4,5,6-tetrahydro-6-oxo-, ethyl ester; Ethyl 6-oxo-1,4,5,6-tetrahydro-3-pyridazinecarboxylate; 6-Oxo-1,4,5,6-tetrahydropyridazine-3-carboxylic acid ethyl ester; 1,4,5,6-Tetrahydro-6-oxo-3-pyridazinecarboxylic acid ethyl ester; Ethyl 1,4,5,6-tetrahydro-6-oxopyridazine-3-carboxylate; 5Ci compound 856847-44-4
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. For this advanced intermediate, quality is assured through a battery of analytical techniques including HPLC, NMR, and mass spectrometry to confirm identity and purity. Certificates of Analysis (COA) detailing lot-specific results are available upon request. We adhere to cGMP principles where applicable to support our clients' regulatory filings.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere if necessary to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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.