Description

3-Bromo-7-Chloro-5-Phenylpyrazolo[1,5-A]Pyrimidine is a high-purity, heterocyclic organic compound that serves as a critical advanced intermediate in modern synthetic chemistry. Its unique pyrazolopyrimidine core, functionalized with bromo and chloro substituents, makes it a versatile building block for constructing complex molecular architectures. This compound is primarily utilized by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly those targeting kinase inhibition and other therapeutic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and pesticides due to its bioactive heterocyclic structure.
• Material Science: Serves as a building block for organic electronic materials, such as OLED (Organic Light-Emitting Diode) emitters and charge transport materials.
• Chemical Biology: Employed as a molecular probe or scaffold in medicinal chemistry for structure-activity relationship (SAR) studies.
• Academic & Contract Research: Essential for methodological development and exploratory synthesis in university and CRO (Contract Research Organization) laboratories.
• Dye & Pigment Intermediate: Potential use in the synthesis of specialized colorants and photographic sensitizers.

Basic Information

Product Name	3-Bromo-7-Chloro-5-Phenylpyrazolo[1,5-A]Pyrimidine
CAS No.	672323-74-9
Molecular Formula	C₁₂H₇BrClN₃
Molecular Weight	308.56 g/mol
Synonyms	3-Bromo-7-chloro-5-phenylpyrazolo[1,5-a]pyrimidine; 5-Phenyl-3-bromo-7-chloropyrazolo[1,5-a]pyrimidine; Pyrazolo[1,5-a]pyrimidine, 3-bromo-7-chloro-5-phenyl-; 672323-74-9; 3-Br-7-Cl-5-Ph-PP; BCPhPP
EINECS	Contact for details

Quality Control

Our 3-Bromo-7-Chloro-5-Phenylpyrazolo[1,5-A]Pyrimidine 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 each shipment, detailing all critical quality attributes. Our commitment to cGMP (Current Good Manufacturing Practice) principles ensures reliable supply for research and development applications.

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, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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