Description

Pyrido[3,4-D]Pyridazine, 3-Oxide (9Ci) is a specialized heterocyclic compound belonging to the pyridazine class, serving as a high-value chemical intermediate. Its unique fused-ring structure and N-oxide functionality make it a critical building block for advanced research and development in medicinal chemistry. This compound is primarily sought by pharmaceutical R&D teams and fine chemical manufacturers for the synthesis of novel active pharmaceutical ingredients (APIs) and complex organic molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Research: Used in the development of new herbicides and pesticides due to its heterocyclic scaffold.
• Material Science: Serves as a building block for creating novel organic electronic materials and ligands for catalysis.
• Academic & Industrial R&D: Employed in chemical libraries for high-throughput screening and structure-activity relationship (SAR) studies.
• Fine Chemical Synthesis: Utilized in multi-step synthetic routes to create other complex N-heterocyclic compounds.

Basic Information

Product Name	Pyrido[3,4-D]Pyridazine, 3-Oxide (9Ci)
CAS No.	162022-86-8
Molecular Formula	C7H5N3O
Molecular Weight	147.14 g/mol
Synonyms	Pyrido[3,4-d]pyridazine 3-oxide; 3-Oxopyrido[3,4-d]pyridazine; 1-Oxido-pyrido[3,4-d]pyridazine; Pyrido[3,4-d]pyridazine N-oxide; 162022-86-8; Pyrido(3,4-d)pyridazine, 3-oxide; 3H-Pyrido[3,4-d]pyridazine 3-oxide
EINECS	Contact for details

Quality Control

Our Pyrido[3,4-D]Pyridazine, 3-Oxide (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong reducing agents. For long-term storage, consider maintaining the product under an inert atmosphere to ensure stability.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.