Description

5-Chloro-3-Nitropyrazolo[1,5-A]Pyrimidine CAS NO 1363380-51-1 is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. Its core value lies in its unique pyrazolopyrimidine scaffold, which serves as a versatile precursor for the development of novel pharmacologically active compounds. This intermediate is primarily targeted at research and development teams within the pharmaceutical and agrochemical industries, where it is used to create new molecular entities with potential therapeutic or biocidal properties.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in kinase inhibitor programs and other targeted therapies.
• Agrochemical Research: Serves as a building block for synthesizing novel herbicides, fungicides, or insecticides with new modes of action.
• Chemical Biology Probe Development: Used in academic and industrial research to create tool compounds for studying biological pathways and target validation.
• Material Science Precursor: Potential use in the synthesis of specialty chemicals, dyes, or functional materials requiring complex nitrogen-containing heterocycles.
• Contract Research & Manufacturing (CRO/CMO): Supplied to service organizations supporting pharmaceutical and chemical R&D projects requiring custom synthesis.

Basic Information

Product Name	5-Chloro-3-Nitropyrazolo[1,5-A]Pyrimidine
CAS No.	1363380-51-1
Molecular Formula	C6H2ClN5O2
Molecular Weight	211.57 g/mol
Synonyms	5-Chloro-3-nitropyrazolo[1,5-a]pyrimidine; Pyrazolo[1,5-a]pyrimidine, 5-chloro-3-nitro-; 1363380-51-1; 5-Chloro-3-nitro-1H-pyrazolo[1,5-a]pyrimidine; 3-Nitro-5-chloropyrazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our 5-Chloro-3-Nitropyrazolo[1,5-A]Pyrimidine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/LC-MS for structural confirmation, to ensure it meets the high standards required for research and development applications. 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, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder
Identification (HPLC)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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