Description

Phenol, 4-(5-Isoxazolyl)- (9Ci) is a specialized aromatic compound featuring a phenol moiety linked to an isoxazole heterocycle, making it a valuable synthon in advanced organic synthesis. This unique molecular architecture provides a versatile chemical handle for constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought by research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries for use as a key intermediate or building block.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and antimicrobials.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the biological activity of the isoxazole-phenol structure.
• Fine Chemical Production: Acts as a precursor for dyes, pigments, and other performance chemicals where the phenolic and heterocyclic functionalities are required.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of specialty polymers with specific thermal or optical properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Product Name	Phenol, 4-(5-Isoxazolyl)- (9Ci)
CAS No.	502658-76-6
Molecular Formula	C9H7NO2
Molecular Weight	161.16 g/mol
Synonyms	4-(Isoxazol-5-yl)phenol; 5-(4-Hydroxyphenyl)isoxazole; 4-(5-Isoxazolyl)phenol; 4-Hydroxyphenyl-5-isoxazole; Phenol, p-(5-isoxazolyl)-; 4-(1,2-Oxazol-5-yl)phenol; 5-(4-Hydroxy-phenyl)-isoxazole
EINECS	Contact for details

Quality Control

Our Phenol, 4-(5-Isoxazolyl)- (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 high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed chromatographic data are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline 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.