Description

2(1H)-Pyrimidinone,4-(4-Isoxazolyl)-(9Ci) is a heterocyclic organic compound with the CAS number 36508-34-6, serving as a versatile and high-value chemical building block. Its unique fused pyrimidinone-isoxazole structure makes it a critical intermediate for synthesizing complex molecules in advanced research and development. This compound is primarily sought after by pharmaceutical and agrochemical R&D teams for creating novel active ingredients and by academic institutions for heterocyclic chemistry studies.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for targeting specific enzymes or receptors.
• Agrochemical Research: Used in developing new herbicides, fungicides, or insecticides with unique modes of action.
• Chemical Biology Probe: Serves as a core scaffold for designing molecular probes to study biological pathways.
• Material Science Research: Potential building block for advanced organic electronic materials or metal-organic frameworks (MOFs).
• Academic & Contract Research: Essential for methodological development in heterocyclic and medicinal chemistry.
• Custom Synthesis & Scale-Up: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for process development and pilot-scale production.

Basic Information

Product Name	2(1H)-Pyrimidinone,4-(4-Isoxazolyl)-(9Ci)
CAS No.	36508-34-6
Molecular Formula	C7H5N3O2
Molecular Weight	163.14 g/mol
Synonyms	4-(1,2-Oxazol-4-yl)-1H-pyrimidin-2-one; 4-(Isoxazol-4-yl)-2(1H)-pyrimidinone; 4-(4-Isoxazolyl)-2(1H)-pyrimidinone; 4-(Isoxazol-4-yl)pyrimidin-2(1H)-one; 36508-34-6; 4-(1,2-Oxazol-4-yl)-1,2-dihydropyrimidin-2-one; 4-(Isoxazol-4-yl)-1H-pyrimidin-2-one
EINECS	Contact for details

Quality Control

Every batch of 2(1H)-Pyrimidinone,4-(4-Isoxazolyl)-(9Ci) is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for research and development applications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is supplied with each shipment, and custom purity grades (e.g., >97%, >98%, >99%) are available upon request.

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 the container sealed to protect this light-sensitive compound from degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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