Description

Pyrazolo[1,5-A]Pyrimidine, 5,7-Dichloro-3-Ethyl- (9Ci) is a high-value, halogenated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, where its unique pyrazolopyrimidine core enables precise molecular design. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing potential drug candidates, particularly in kinase inhibitor research and other small-molecule therapeutics.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science Precursor: Serves as a specialized monomer or ligand in the synthesis of advanced organic materials and metal-organic frameworks (MOFs).
• Chemical Biology Probe: Utilized in academic and industrial research to create molecular probes for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects requiring this precise scaffold.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyrimidine, 5,7-Dichloro-3-Ethyl- (9Ci)
CAS No.	779353-64-9
Molecular Formula	C8H7Cl2N3
Molecular Weight	216.07 g/mol
Synonyms	5,7-Dichloro-3-ethylpyrazolo[1,5-a]pyrimidine; 3-Ethyl-5,7-dichloropyrazolo[1,5-a]pyrimidine; 5,7-Dichloro-3-ethyl-1H-pyrazolo[1,5-a]pyrimidine; Ethyl-dichloro-pyrazolopyrimidine; Pyrazolo[1,5-a]pyrimidine, 5,7-dichloro-3-ethyl-; 779353-64-9; SCHEMBL2180627
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-A]Pyrimidine, 5,7-Dichloro-3-Ethyl- (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) with detailed batch-specific data are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); prolonged exposure to air and humidity should be avoided.

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% (Area %)
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.