Description

2,4-Pyrimidinediamine, 5-Chloro- (9Ci) is a halogenated pyrimidine derivative, a versatile heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in its role as a key intermediate for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This compound is primarily needed by research institutions and industrial manufacturers engaged in the development of active pharmaceutical ingredients (APIs), nucleoside analogs, and specialized fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of nucleoside-based drugs, antiviral agents, and other biologically active molecules targeting various therapeutic areas.
• Agrochemical Research: Serves as a building block for developing novel herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic core.
• Chemical Synthesis: Used in organic research for constructing complex pyrimidine scaffolds, enabling the exploration of new chemical spaces in medicinal chemistry.
• Material Science: Potential intermediate for the synthesis of specialty polymers, ligands for catalysis, or organic electronic materials due to its functionalized aromatic structure.
• Biochemical Research: Employed in the study of enzyme inhibitors and as a molecular probe to investigate biochemical pathways involving pyrimidine metabolism.

Basic Information

Product Name	2,4-Pyrimidinediamine, 5-Chloro- (9Ci)
CAS No.	18620-64-9
Molecular Formula	C4H5ClN4
Molecular Weight	144.56 g/mol
Synonyms	5-Chloro-2,4-pyrimidinediamine; 5-Chloropyrimidine-2,4-diamine; 2,4-Diamino-5-chloropyrimidine; 5-Chloro-2,4-diaminopyrimidine; 5-Chloro-2,4-diamino-1,3-diazine; 5-Chloro-2,4-diamino-pyrimidine; 5-Chloro-2,4-pyrimidinediyldiamine
EINECS	Contact for details

Quality Control

Our 2,4-Pyrimidinediamine, 5-Chloro- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.