Description

1,2,4-Triazolo[4,3-C]Pyrimidin-5(1H)-One(9Ci) is a high-value, nitrogen-rich heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its fused triazolopyrimidine core structure makes it an essential intermediate for developing novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, antiviral agents, and anti-inflammatory compounds.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold for bioactivity.
• Material Science: Serves as a building block for creating specialized polymers, ligands for catalysis, and organic electronic materials.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic chemistry and medicinal chemistry programs.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms and biological pathways.

Basic Information

Product Name	1,2,4-Triazolo[4,3-C]Pyrimidin-5(1H)-One(9Ci)
CAS No.	500871-13-6
Molecular Formula	C5H3N5O
Molecular Weight	149.11 g/mol
Synonyms	1,2,4-Triazolo[4,3-c]pyrimidin-5(1H)-one; 5H-[1,2,4]Triazolo[4,3-c]pyrimidin-5-one; 1H-1,2,4-Triazolo[4,3-c]pyrimidin-5-one; [1,2,4]Triazolo[4,3-c]pyrimidin-5(1H)-one; 500871-13-6; 1,2,4-Triazolopyrimidin-5-one; Triazolopyrimidinone derivative
EINECS	Contact for details

Quality Control

Our 1,2,4-Triazolo[4,3-C]Pyrimidin-5(1H)-One(9Ci) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research or cGMP guidelines for early-phase development. Specifications are tailored to meet the rigorous demands of pharmaceutical R&D.

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). The compound may be hygroscopic; keep the container tightly sealed under an inert atmosphere if long-term storage is required. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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