Description

Pyrazolo[1,5-A]Pyrimidine, 3-Bromo-7-Chloro-6-Ethyl-5-Methyl- is a high-value, multi-substituted heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a critical intermediate in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals, where its unique scaffold enables precise molecular modifications. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors focused on creating new functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Agrochemical Research: Building block for developing new herbicides, fungicides, and plant growth regulators.
• Material Science: Used in the creation of organic electronic materials and advanced polymers.
• Chemical Biology: Serves as a probe or ligand in biochemical assays and target identification studies.
• Academic & R&D: Fundamental research compound for exploring new heterocyclic chemistry and reaction methodologies.
• Custom Synthesis: Starting material for contract research organizations (CROs) and CDMOs producing client-specific derivatives.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyrimidine, 3-Bromo-7-Chloro-6-Ethyl-5-Methyl-
CAS No.	885720-87-6
Molecular Formula	C9H9BrClN3
Molecular Weight	274.55 g/mol
Synonyms	3-Bromo-7-chloro-6-ethyl-5-methylpyrazolo[1,5-a]pyrimidine; 6-Ethyl-5-methyl-3-bromo-7-chloropyrazolo[1,5-a]pyrimidine; 885720-87-6; Pyrazolo[1,5-a]pyrimidine, 3-bromo-7-chloro-6-ethyl-5-methyl-; SCHEMBL21842227; BCP31134; ZINC000253909911; AKOS040759232
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-A]Pyrimidine, 3-Bromo-7-Chloro-6-Ethyl-5-Methyl- 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. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment, supporting compliance with cGMP and ICH guidelines for advanced intermediates.

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 heat and incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
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.