Description

1,2,3-Oxadiazolo[4,5-D]Pyrimidine (8Ci,9Ci) is a high-value fused heterocyclic compound, identified by CAS NO 452-25-5, that serves as a critical synthetic intermediate and scaffold in advanced chemical research. Its unique oxadiazole-pyrimidine structure makes it a versatile building block for constructing complex molecules with targeted biological and material properties. This compound is primarily sought by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications in drug discovery and functional material synthesis.

Application

This specialized heterocyclic compound is utilized in several advanced research and development areas:

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly for targeting various enzyme families.
• Agrochemical Research: Used as a building block for developing new active ingredients with herbicidal or pesticidal properties.
• Material Science: Acts as a core structure in the design of organic electronic materials, such as ligands for metal-organic frameworks (MOFs) or components for organic semiconductors.
• Chemical Biology Probe Development: Employed to create molecular tools for studying biological pathways and protein functions.
• Academic & Contract Research: A valuable reagent for methodology development and exploring new chemical spaces in synthetic organic chemistry laboratories.

Basic Information

Product Name	1,2,3-Oxadiazolo[4,5-D]Pyrimidine (8Ci,9Ci)
CAS No.	452-25-5
Molecular Formula	C4H2N4O
Molecular Weight	122.08 g/mol
Synonyms	1,2,3-Oxadiazolo[4,5-d]pyrimidine; [1,2,3]Oxadiazolo[4,5-d]pyrimidine; 1,2,3-Oxadiazolo(4,5-d)pyrimidine; s-Triazolo[4,3-c]pyrimidine, 8a-oxide; 1,2,3-Oxadiazolo[4,5-d]pyrimidine (8CI,9CI); 452-25-5; CHEMBL3183452; DTXSID90617566
EINECS	Contact for details

Quality Control

Our production of 1,2,3-Oxadiazolo[4,5-D]Pyrimidine adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability for research applications. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality and regulatory documentation needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95% (Research Grade)
Purity (HPLC)	≥ 98% (Premium Grade)
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.