Description

Pyrimidine, 5-Chloro-4-Methyl-, 3-Oxide (9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key intermediate for developing novel active pharmaceutical ingredients (APIs) and agrochemicals due to its unique functionalized pyrimidine core. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly in antiviral, anticancer, and anti-inflammatory research pipelines.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and plant growth regulators, leveraging the biological activity of the pyrimidine scaffold.
• Fine Chemical Production: Acts as a versatile building block for creating complex specialty chemicals, dyes, and functional materials.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies and the discovery of new chemical entities (NCEs).
• Material Science Research: Investigated for potential use in the synthesis of organic electronic materials or metal-organic frameworks (MOFs).

Basic Information

Product Name	Pyrimidine, 5-Chloro-4-Methyl-, 3-Oxide (9Ci)
CAS No.	114969-99-2
Molecular Formula	C5H5ClN2O
Molecular Weight	144.56 g/mol
Synonyms	5-Chloro-4-methylpyrimidine 3-oxide; 4-Methyl-5-chloropyrimidine 1-oxide; 5-Chloro-4-methylpyrimidine N-oxide; 5-Chloro-4-methyl-1-oxidopyrimidin-1-ium; 5-Chloro-4-methylpyrimidine-3-oxide; 5-Chloro-4-methyl-3-oxidopyrimidine; 5-Chloro-4-methylpyrimidine 1-oxide (alternative numbering); 5-Chloro-4-methyl-1H-pyrimidine 3-oxide
EINECS	Contact for details

Quality Control

Our Pyrimidine, 5-Chloro-4-Methyl-, 3-Oxide (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every 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, well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong reducing agents. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.