Description

3-Nitropyrazolo[1,5-A]Pyrimidin-5(4H)-One is a high-purity, advanced pharmaceutical intermediate characterized by its fused heterocyclic structure. This compound is of significant commercial importance for its role as a key building block in the synthesis of novel, biologically active molecules. It is primarily required by research institutions and pharmaceutical companies engaged in the development of new therapeutic agents, particularly within medicinal chemistry and drug discovery pipelines.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of potential drug candidates targeting various disease pathways.
• Medicinal Chemistry Research: Used extensively in structure-activity relationship (SAR) studies and lead optimization processes.
• Agrochemical Development: Employed in the research and synthesis of new active ingredients for crop protection products.
• Organic Synthesis Building Block: Utilized in academic and industrial laboratories for constructing complex nitrogen-containing heterocycles.
• Biochemical Probe Synthesis: Acts as a starting material for creating specialized probes used in biological and enzymatic studies.

Basic Information

Product Name	3-Nitropyrazolo[1,5-A]Pyrimidin-5(4H)-One
CAS No.	1919868-75-9
Molecular Formula	C6H3N5O3
Molecular Weight	193.12 g/mol
Synonyms	3-Nitro-5H-pyrazolo[1,5-a]pyrimidin-5-one; 5H-Pyrazolo[1,5-a]pyrimidin-5-one, 3-nitro-; 3-Nitro-1H-pyrazolo[1,5-a]pyrimidin-5(4H)-one; 1919868-75-9; 3-Nitropyrazolo[1,5-a]pyrimidin-5(4H)-one; Pyrazolo[1,5-a]pyrimidin-5-one, 3-nitro-
EINECS	Contact for details

Quality Control

Our 3-Nitropyrazolo[1,5-A]Pyrimidin-5(4H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the exacting standards required for pharmaceutical research. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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