Description

4-Chloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine is a versatile and high-value heterocyclic building block, primarily utilized as a key synthetic intermediate in advanced organic chemistry. Its core structure is integral to the development of novel pharmacologically active compounds, making it a critical raw material for research and production. This compound is essential for pharmaceutical R&D teams, agrochemical innovators, and specialty chemical manufacturers seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of kinase inhibitors, anticancer agents, and other small-molecule drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used as a building block for developing new herbicides, fungicides, and plant growth regulators with novel modes of action.
• Material Science: Acts as a monomer or functional unit in the creation of advanced polymers, liquid crystals, and organic electronic materials.
• Chemical Synthesis: Employed in academic and industrial research for constructing complex fused pyrimidine scaffolds and exploring new chemical reactions.
• Biochemical Probe Development: Utilized in medicinal chemistry to create tool compounds for studying biological pathways and target validation.

Basic Information

Product Name	4-Chloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine
CAS No.	83942-13-6
Molecular Formula	C7H7ClN2
Molecular Weight	154.60 g/mol
Synonyms	4-Chloro-5,6-cyclopentenopyrimidine; 4-Chloro-6,7-dihydro-5H-cyclopentapyrimidine; 4-Chlorocyclopentapyrimidine; 5H-Cyclopenta[d]pyrimidine, 4-chloro-6,7-dihydro-; 4-Chloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine; 4-Chloro-5,6-dihydrocyclopenta[d]pyrimidine
EINECS	Contact for details

Quality Control

Our production of 4-Chloro-6,7-dihydro-5H-cyclopenta[d]pyrimidine adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to verify identity, potency, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with customer specifications and cGMP guidelines where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.