Description

4H-1,3-Dioxino[5,4-D]Pyrimidine (9Ci) is a specialized heterocyclic organic compound with the CAS number 155868-96-5, serving as a crucial building block in advanced chemical synthesis. Its unique fused dioxino-pyrimidine structure makes it a valuable intermediate for developing novel pharmaceuticals and agrochemicals. This high-purity intermediate is primarily sought by research institutions and industrial R&D departments focused on medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for antiviral, anticancer, and central nervous system (CNS) active compounds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science: Serves as a monomer or building block for creating specialized polymers and organic electronic materials.
• Academic & Contract Research: Essential for methodological studies and library synthesis in organic and medicinal chemistry research programs.
• Fine Chemical Synthesis: Employed in the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Product Name	4H-1,3-Dioxino[5,4-D]Pyrimidine (9Ci)
CAS No.	155868-96-5
Molecular Formula	C7H6N2O2
Molecular Weight	150.14 g/mol
Synonyms	4H-1,3-Dioxino[5,4-d]pyrimidine; 1,3-Dioxino[5,4-d]pyrimidine, 4H-; 155868-96-5; 4H-[1,3]Dioxino[5,4-d]pyrimidine; Pyrimido[5,4-d]-1,3-dioxine, 4H-; 4H-1,3-Dioxino[5,4-d]pyrimidine; 4H-1,3-Dioxino(5,4-d)pyrimidine
EINECS	Contact for details

Quality Control

Our 4H-1,3-Dioxino[5,4-D]Pyrimidine (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 suitable for research and development. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.