Description

Ethyl 5-Chloropyrazolo[1,5-A]Pyrimidine-2-Carboxylate is a high-purity, advanced pharmaceutical intermediate with the CAS number 1363405-21-3. This compound is a critical building block in modern medicinal chemistry, valued for its role in synthesizing novel active pharmaceutical ingredients (APIs). It is primarily utilized by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of new therapeutic agents and crop protection solutions.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in kinase inhibitor research and other targeted therapies.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic structure for biological activity.
• Chemical Synthesis: Serves as a versatile building block for constructing complex fused pyrimidine and pyrazole derivatives in organic chemistry.
• Academic & R&D: Employed in university and corporate research laboratories for studying structure-activity relationships (SAR) and developing new chemical entities.
• Material Science: Potential applications in the synthesis of specialty chemicals and functional materials requiring specific heterocyclic frameworks.

Basic Information

Product Name	Ethyl 5-Chloropyrazolo[1,5-A]Pyrimidine-2-Carboxylate
CAS No.	1363405-21-3
Molecular Formula	C9H8ClN3O2
Molecular Weight	225.63 g/mol
Synonyms	Ethyl 5-Chloro-1H-pyrazolo[1,5-a]pyrimidine-2-carboxylate; 5-Chloro-1H-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid ethyl ester; 1363405-21-3; Ethyl 5-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate; 5-Chloro-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid ethyl ester; Ethyl 5-chloro-1H-pyrazolo[1,5-a]pyrimidine-2-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 5-Chloropyrazolo[1,5-A]Pyrimidine-2-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for your most demanding research and development projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH guidelines
Heavy Metals	≤ 20 ppm

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