Description

5-Methyl-2-Phenyl-Pyrazolo[1,5-A]Pyrimidin-7-Ol is a high-purity, heterocyclic organic compound that serves as a critical advanced intermediate in modern synthetic chemistry. Its unique fused pyrazolopyrimidine structure makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and functional materials. This compound is essential for research and production teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new molecules with targeted biological or physical properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, or as kinase inhibitors.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Material Science: Serves 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 academic and industrial research to create molecular probes for studying enzyme function and biological pathways.
• Dye & Pigment Synthesis: Acts as an intermediate for creating specialized heterocyclic dyes and colorants with specific light-absorption properties.

Basic Information

Product Name	5-Methyl-2-Phenyl-Pyrazolo[1,5-A]Pyrimidin-7-Ol
CAS No.	90019-55-9
Molecular Formula	C₁₃H₁₁N₃O
Molecular Weight	225.25 g/mol
Synonyms	5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7-ol; 7-Hydroxy-5-methyl-2-phenylpyrazolo[1,5-a]pyrimidine; 2-Phenyl-5-methyl-7-hydroxypyrazolo[1,5-a]pyrimidine; Pyrazolo[1,5-a]pyrimidin-7-ol, 5-methyl-2-phenyl-; 90019-55-9; 5-Methyl-2-phenyl-7-hydroxypyrazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our 5-Methyl-2-Phenyl-Pyrazolo[1,5-A]Pyrimidin-7-Ol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis. We provide a detailed Certificate of Analysis (COA) with each shipment to ensure traceability and compliance with your research or cGMP 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). This product is hygroscopic (moisture-sensitive); keep the original container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
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.