Description

2,4-Dichloro-6,7-Dihydro-5H-Cyclopentapyrimidine is a versatile and high-value halogenated heterocyclic building block essential for advanced organic synthesis. Its core value lies in its dual reactive chlorine sites and fused cyclopentane ring, which enable the construction of complex molecular architectures with precise functionality. This intermediate is critically needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel kinase inhibitors, antiviral agents, and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a building block for creating specialized organic ligands, dyes, and functional polymers.
• Chemical Research & Development: Employed in academic and industrial labs for method development and exploring new heterocyclic chemistry.
• Fine Chemical Production: Integral to the custom synthesis of complex, high-purity specialty chemicals for various industrial applications.

Basic Information

Product Name	2,4-Dichloro-6,7-Dihydro-5H-Cyclopentapyrimidine
CAS No.	5466-43-3
Molecular Formula	C7H6Cl2N2
Molecular Weight	189.04 g/mol
Synonyms	2,4-Dichloro-5,6,7,8-tetrahydrocyclopentapyrimidine; 2,4-Dichloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine; 5H-Cyclopenta[d]pyrimidine, 2,4-dichloro-6,7-dihydro-; 2,4-Dichloro-5,6,7,8-tetrahydro-cyclopentapyrimidine; Cyclopentapyrimidine, 2,4-dichloro-6,7-dihydro-5H-
EINECS	226-763-5

Quality Control

Our 2,4-Dichloro-6,7-Dihydro-5H-Cyclopentapyrimidine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We support our clients' regulatory needs with full traceability and documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in the original packaging or an opaque secondary container until use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.