Description

Ethyl 3-Bromo-7-Chloropyrazolo[1,5-A]Pyrimidine-6-Carboxylate is a high-purity, multi-functional heterocyclic building block essential for advanced organic synthesis. This compound is specifically engineered to serve as a critical intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries seeking to introduce complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors, antiviral agents, and other small-molecule drug candidates targeting complex diseases.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Serves as a building block for creating specialized organic electronic materials and functional dyes.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies and the discovery of new chemical entities.
• Custom Synthesis: A versatile starting material for contract manufacturing organizations (CMOs) producing bespoke compounds for client projects.

Basic Information

Product Name	Ethyl 3-Bromo-7-Chloropyrazolo[1,5-A]Pyrimidine-6-Carboxylate
CAS No.	1138513-35-5
Molecular Formula	C9H7BrClN3O2
Molecular Weight	304.53 g/mol
Synonyms	Ethyl 3-bromo-7-chloro-6-pyrazolo[1,5-a]pyrimidinecarboxylate; 3-Bromo-7-chloro-6-(ethoxycarbonyl)pyrazolo[1,5-a]pyrimidine; 6-Carbethoxy-3-bromo-7-chloropyrazolo[1,5-a]pyrimidine; 3-Bromo-7-chloropyrazolo[1,5-a]pyrimidine-6-carboxylic acid ethyl ester; 1138513-35-5; Pyrazolo[1,5-a]pyrimidine-6-carboxylic acid, 3-bromo-7-chloro-, ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 3-Bromo-7-Chloropyrazolo[1,5-A]Pyrimidine-6-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed chromatographic data are provided for each lot to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Water Content (KF)	≤ 0.5%

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