Description

Pyrimidine, 5-Chloro-4-Ethyl- (9Ci) is a specialized halogenated pyrimidine derivative, a crucial heterocyclic building block in advanced organic synthesis. Its molecular structure, featuring both chloro and ethyl substituents, makes it a valuable intermediate for constructing complex molecules with tailored properties. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, where the pyrimidine core is a common bioactive motif.
• Chemical Research & Development: Acts as a versatile building block for constructing complex heterocyclic compounds in academic and industrial R&D laboratories.
• Material Science Precursor: Potential use in the synthesis of organic electronic materials, ligands for catalysts, or specialty polymers.
• Process Chemistry: Employed in scale-up and optimization studies for the commercial manufacturing of fine chemicals and active pharmaceutical ingredients (APIs).

Basic Information

Product Name	Pyrimidine, 5-Chloro-4-Ethyl- (9Ci)
CAS No.	137994-42-4
Molecular Formula	C6H7ClN2
Molecular Weight	142.59 g/mol
Synonyms	5-Chloro-4-ethylpyrimidine; 4-Ethyl-5-chloropyrimidine; 5-Chloro-4-ethyl-1,3-diazine; 5-Chloro-4-ethylpyrimidine (9CI); 5-Chloro-4-ethyl-pyrimidine; 137994-42-4; 4-Ethyl-5-chloro-pyrimidine
EINECS	Contact for details

Quality Control

Our Pyrimidine, 5-Chloro-4-Ethyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and synthesis. A Certificate of Analysis (COA) detailing specific results for identity, purity, and impurities is provided with every shipment to guarantee traceability and consistency.

Storage

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

Specification

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