Description

Ethyl 2-Chloropyrazolo[1,5-A]Pyrimidine-3-Carboxylate is a high-value heterocyclic building block and pharmaceutical intermediate. This compound is critical for the synthesis of complex molecules, particularly in medicinal chemistry and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, biotechnology, and agrochemical industries for creating novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of kinase inhibitors and other small-molecule drug candidates targeting various therapeutic areas.
• Medicinal Chemistry Research: Used in lead optimization and structure-activity relationship (SAR) studies to develop new chemical entities.
• Agrochemical Development: Serves as a precursor in the creation of novel herbicides, fungicides, and insecticides.
• Chemical Biology Probes: Utilized in the development of tool compounds for studying biological pathways and target validation.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for scale-up and commercial production of APIs.
• Academic Research: Employed in university and institutional labs for heterocyclic chemistry and synthetic methodology development.

Basic Information

Product Name	Ethyl 2-Chloropyrazolo[1,5-A]Pyrimidine-3-Carboxylate
CAS No.	1394003-65-6
Molecular Formula	C9H8ClN3O2
Molecular Weight	225.63 g/mol
Synonyms	Ethyl 2-chloro-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylate; 2-Chloro-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester; 2-Chloropyrazolo[1,5-a]pyrimidine-3-carboxylic Acid Ethyl Ester; Ethyl 2-chloropyrazolo[1,5-a]pyrimidine-3-carboxylate; 1394003-65-6; Ethyl 2-chloro-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylate; 2-Chloro-1H-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 2-Chloropyrazolo[1,5-A]Pyrimidine-3-Carboxylate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We support compliance with relevant standards for advanced intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at 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
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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