Description

Pyrazolo[1,5-A]Pyrimidine, 5,7-Dichloro-6-Ethyl- (9Ci) is a high-purity, heterocyclic organic compound that serves as a critical advanced intermediate in modern synthetic chemistry. Its value lies in its unique pyrazolopyrimidine scaffold, which is a privileged structure for developing novel bioactive molecules. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of targeted small-molecule libraries and potential drug candidates.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of novel kinase inhibitors, anticancer agents, and other therapeutic small molecules.
• Agrochemical Research: Used in developing new active ingredients for crop protection products, leveraging its heterocyclic core.
• Chemical Biology & Probe Development: Serves as a core scaffold for creating chemical probes to study biological pathways and protein functions.
• Material Science Research: Investigated as a precursor for organic electronic materials and specialty polymers due to its fused ring system.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the production of bespoke compounds and non-commercial research quantities.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyrimidine, 5,7-Dichloro-6-Ethyl- (9Ci)
CAS No.	754211-04-6
Molecular Formula	C8H7Cl2N3
Molecular Weight	216.07 g/mol
Synonyms	5,7-Dichloro-6-ethylpyrazolo[1,5-a]pyrimidine; 6-Ethyl-5,7-dichloropyrazolo[1,5-a]pyrimidine; 5,7-Dichloro-6-ethyl-[1,2,4]triazolo[1,5-a]pyrimidine (incorrect but common misnomer); 754211-04-6; Ethyl-dichloro-pyrazolopyrimidine; Pyrazolo[1,5-a]pyrimidine, 5,7-dichloro-6-ethyl-; SCHEMBL11806227
EINECS	Contact for details

Quality Control

Our production of Pyrazolo[1,5-A]Pyrimidine, 5,7-Dichloro-6-Ethyl- (9Ci) adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for your R&D and scale-up processes. Identity and purity are confirmed via advanced analytical techniques including NMR, HPLC, and MS. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.