Description

4-Methyl-2-Phenylpyrazolo[1,5-A]Pyrimidin-7(4H)-One is a high-purity, heterocyclic organic compound that serves as a critical synthetic intermediate and building block in advanced chemical research and development. Its value lies in its unique fused pyrazolopyrimidine core, which is a privileged scaffold for designing molecules with targeted biological activity. This compound is primarily needed by pharmaceutical R&D laboratories, agrochemical innovators, and specialty chemical manufacturers developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting kinase inhibition and other enzymatic pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its bioactive heterocyclic structure.
• Material Science: Serves as a precursor for organic electronic materials, such as charge-transport layers or light-emitting components.
• Chemical Biology: Employed as a probe or scaffold in medicinal chemistry for structure-activity relationship (SAR) studies.
• Academic & Contract Research: Essential for fundamental organic synthesis research and custom synthesis projects in CROs (Contract Research Organizations).
• Dye & Pigment Intermediate: Potential use in the synthesis of specialized heterocyclic dyes and colorants.

Basic Information

Product Name	4-Methyl-2-Phenylpyrazolo[1,5-A]Pyrimidin-7(4H)-One
CAS No.	77494-10-1
Molecular Formula	C₁₃H₁₁N₃O
Molecular Weight	225.25 g/mol
Synonyms	4-Methyl-2-phenyl-7H-pyrazolo[1,5-a]pyrimidin-7-one; 2-Phenyl-4-methylpyrazolo[1,5-a]pyrimidin-7-one; 4-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one; Pyrazolo[1,5-a]pyrimidin-7-one, 4-methyl-2-phenyl-; 77494-10-1; 4-Methyl-2-phenyl-1H-pyrazolo[1,5-a]pyrimidin-7-one; 2-Phenyl-4-methyl-7H-pyrazolo[1,5-a]pyrimidin-7-one
EINECS	Contact for details

Quality Control

Our 4-Methyl-2-Phenylpyrazolo[1,5-A]Pyrimidin-7(4H)-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with each shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to ensure product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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