Description

8-Chloro-6,7-dihydro-5H-cyclopenta[d][1,2,4]triazolo[1,5-a]pyrimidine is a high-value, nitrogen-rich heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its fused bicyclic structure, incorporating both triazole and pyrimidine motifs, makes it a versatile intermediate for developing novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is essential for research and production in pharmaceutical chemistry, medicinal chemistry, and material science, where it is used to create molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Medicinal Chemistry Research: Used as a core scaffold for structure-activity relationship (SAR) studies and high-throughput screening libraries to discover new bioactive molecules.
• Agrochemical Development: Serves as a building block for creating new generations of herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Chemical Synthesis: Employed in organic synthesis to construct complex polyheterocyclic systems due to its reactive chloro and fused ring structure.
• Material Science Precursor: Potential use in the development of organic electronic materials, ligands for catalysis, and specialty polymers.

Basic Information

Product Name	8-Chloro-6,7-dihydro-5H-cyclopenta[d][1,2,4]triazolo[1,5-a]pyrimidine
CAS No.	117343-12-1
Molecular Formula	C8H6ClN5
Molecular Weight	207.62 g/mol
Synonyms	8-Chloro-5H-cyclopenta[d][1,2,4]triazolo[1,5-a]pyrimidine; 8-Chloro-6,7-dihydrocyclopenta[d][1,2,4]triazolo[1,5-a]pyrimidine; 117343-12-1; 8-Chloro-5H-cyclopenta[4,5]pyrrolo[1,2-f][1,2,4]triazine; Cyclopenta[d]triazolo[1,5-a]pyrimidine, 8-chloro-6,7-dihydro-5H-; 8-Chloro-6,7-dihydro-5H-cyclopenta[4,5]pyrrolo[1,2-f][1,2,4]triazine
EINECS	Contact for details

Quality Control

Our production of 8-Chloro-6,7-dihydro-5H-cyclopenta[d][1,2,4]triazolo[1,5-a]pyrimidine adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for research and scale-up applications. All materials are characterized by advanced analytical techniques including HPLC, GC-MS, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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