Description

4-Chloro-5-Methylpyrimidine is a high-purity halogenated pyrimidine derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its versatile reactivity, particularly as a key intermediate for constructing complex nitrogen-containing heterocycles. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key synthon for the development of antiviral, anticancer, and kinase inhibitor drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for ligands and functional molecules in coordination chemistry and catalysis.
• Chemical Biology: Employed in the synthesis of probes and labeled compounds for biochemical studies.
• Custom Synthesis: A versatile starting material for contract research organizations (CROs) and fine chemical manufacturers.

Basic Information

Product Name	4-Chloro-5-Methylpyrimidine
CAS No.	51957-32-5
Molecular Formula	C5H5ClN2
Molecular Weight	128.56 g/mol
Synonyms	5-Methyl-4-chloropyrimidine; 4-Chloro-5-methylpyrimidine; 4-Chloro-5-methyl-pyrimidine; 4-Chloro-5-methyl-1,3-diazine; Pyrimidine, 4-chloro-5-methyl-; 4-Chloro-5-methyl-1,3-diazabenzene
EINECS	Contact for details

Quality Control

Our 4-Chloro-5-Methylpyrimidine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available for every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.