Description

Isoxazolo[5,4-D]Pyrimidine (8Ci,9Ci) is a high-value, fused heterocyclic compound serving as a critical building block in advanced organic synthesis. Its unique bicyclic scaffold is essential for constructing complex molecular architectures with targeted biological and material properties. This compound is primarily sought by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for applications in drug discovery and material science.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its heterocyclic structure.
• Organic Light-Emitting Diodes (OLEDs): Serves as a core structure for developing electron-transport or emissive materials in electronic displays and lighting.
• Ligand Synthesis in Catalysis: Employed to create sophisticated ligands for transition metal catalysts used in asymmetric synthesis.
• Academic & Contract Research: A valuable reagent for methodological studies and the exploration of new chemical spaces in university and CRO laboratories.
• Material Science: Investigated for the creation of novel polymers and advanced organic frameworks with specific electronic or photophysical characteristics.

Basic Information

Product Name	Isoxazolo[5,4-D]Pyrimidine (8Ci,9Ci)
CAS No.	272-04-8
Molecular Formula	C5H3N3O
Molecular Weight	121.10 g/mol
Synonyms	Isoxazolo[5,4-d]pyrimidine; Isoxazolo(5,4-d)pyrimidine; 1,2,5-Oxadiazolo[3,4-d]pyrimidine; 1-Oxa-2,5-diazaindene; Isoxazolo[5,4-d]pyrimidine (8CI,9CI); 272-04-8; NSC 51128
EINECS	Contact for details

Quality Control

Our Isoxazolo[5,4-D]Pyrimidine (8Ci,9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the exacting standards required for research and development. A Certificate of Analysis (COA) detailing batch-specific results 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 controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.