Description

Pyrazolo[1,5-A]Pyrimidine, 3-Bromo-5,7-Dichloro-2-Methyl- is a high-purity, multi-halogenated heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a versatile and critical intermediate for constructing complex molecular architectures, particularly in pharmaceutical research and development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a key scaffold in the synthesis of potential drug candidates, especially kinase inhibitors and other biologically active heterocycles.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides due to its halogenated pyrazolopyrimidine core.
• Material Science Precursor: Acts as a building block for organic electronic materials, such as OLED (Organic Light-Emitting Diode) emitters or charge transport materials.
• Chemical Biology Probe: Utilized in the design and synthesis of molecular probes for studying enzyme function and cellular pathways.
• Custom Synthesis & Contract Manufacturing: A crucial starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences sector.
• Academic Research: Employed in universities and research institutes for methodological development in heterocyclic and cross-coupling chemistry.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyrimidine, 3-Bromo-5,7-Dichloro-2-Methyl-
CAS No.	1310234-20-8
Molecular Formula	C7H4BrCl2N3
Molecular Weight	281.94 g/mol
Synonyms	3-Bromo-5,7-dichloro-2-methylpyrazolo[1,5-a]pyrimidine; 2-Methyl-3-bromo-5,7-dichloropyrazolo[1,5-a]pyrimidine; 5,7-Dichloro-3-bromo-2-methylpyrazolo[1,5-a]pyrimidine; 3-Bromo-5,7-dichloro-2-methyl-[1,5-a]pyrazolopyrimidine; Pyrazolo[1,5-a]pyrimidine, 3-bromo-5,7-dichloro-2-methyl-; Bromo-dichloro-methylpyrazolopyrimidine; CAS 1310234-20-8
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-A]Pyrimidine, 3-Bromo-5,7-Dichloro-2-Methyl- is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, meeting the stringent requirements of research and development. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing key parameters such as purity (by HPLC), identity confirmation (by NMR/IR), and impurity profiles. Our quality system is designed to support cGMP and ISO 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 the container tightly sealed in a dry environment to prevent moisture absorption. Store away from incompatible materials.

Specification

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