Description

1,3,6-Trimethylpyrazolo[1,5-A]Pyrimidin-7(1H)-One is a high-purity heterocyclic organic compound that serves as a critical advanced intermediate in pharmaceutical synthesis. Its value lies in its precise molecular architecture, which enables the construction of complex active pharmaceutical ingredients (APIs) with targeted therapeutic effects. This compound is essential for research and development chemists and manufacturers in the pharmaceutical and agrochemical industries who require reliable, high-quality building blocks for innovative drug discovery and process optimization.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex nitrogen-containing heterocycles.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its pyrazolopyrimidine core structure.
• Organic Light-Emitting Diode (OLED) Materials Research: Investigated as a potential electron-transport or host material due to its rigid, planar conjugated system.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Academic Research: Utilized in universities and research institutes for studying heterocyclic chemistry reactions and developing new synthetic methodologies.

Basic Information

Product Name	1,3,6-Trimethylpyrazolo[1,5-A]Pyrimidin-7(1H)-One
CAS No.	90559-16-3
Molecular Formula	C9H9N3O
Molecular Weight	175.19 g/mol
Synonyms	1,3,6-Trimethyl-1H-pyrazolo[1,5-a]pyrimidin-7-one; 1,3,6-Trimethyl-7H-pyrazolo[1,5-a]pyrimidin-7-one; 1,3,6-Trimethylpyrazolo[1,5-a]pyrimidin-7(1H)-one; Pyrazolo[1,5-a]pyrimidin-7(1H)-one, 1,3,6-trimethyl-; 1H-Pyrazolo[1,5-a]pyrimidin-7-one, 1,3,6-trimethyl-
EINECS	Contact for details

Quality Control

Every batch of 1,3,6-Trimethylpyrazolo[1,5-A]Pyrimidin-7(1H)-One is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. Comprehensive analytical testing, including HPLC, GC, and NMR, is performed to verify identity, purity, and consistency. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and meet your quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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%
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.