Description

2,4-Dichloro-5-Methylpyrimidine is a versatile halogenated pyrimidine derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its dual reactive chlorine sites, which allow for selective, sequential functionalization to create complex heterocyclic systems. 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 precursor in the synthesis of nucleoside analogs, antiviral agents, and kinase inhibitors.
• Agrochemical Synthesis: Used to construct pyrimidine-based herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a monomer or cross-linking agent for creating specialized polymers and liquid crystals.
• Chemical Research: Employed in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Dye & Pigment Manufacturing: Acts as an intermediate for producing heterocyclic dyes and optical brighteners.

Basic Information

Product Name	2,4-Dichloro-5-Methylpyrimidine
CAS No.	1780-31-0
Molecular Formula	C5H4Cl2N2
Molecular Weight	162.99 g/mol
Synonyms	5-Methyl-2,4-dichloropyrimidine; 2,4-Dichloro-5-methylpyrimidine; 5-Methyl-2,4-dichloro-1,3-diazine; 2,4-Dichloro-5-methyl-1,3-diazine; NSC 403697; 1780-31-0; Dichloromethylpyrimidine
EINECS	217-218-5

Quality Control

Our 2,4-Dichloro-5-Methylpyrimidine is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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 heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	48 - 52 °C
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.