Description

5(2H)-Isoxazolone,3-(1,1-Dimethylethyl)-4-Methyl-(9Ci) is a specialized heterocyclic organic compound that serves as a versatile synthetic intermediate in advanced chemical manufacturing. Its unique isoxazolone core structure makes it a valuable building block for the development of novel pharmaceuticals, agrochemicals, and functional materials. This high-purity compound is essential for research and development chemists, process scale-up engineers, and manufacturers in the life sciences and specialty chemical sectors seeking reliable, high-quality intermediates for complex synthesis.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with potential biological activity.
• Agrochemical Research: Building block for developing new herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold.
• Organic Synthesis Reagent: Used in academic and industrial R&D for constructing complex molecular architectures, including heterocyclic fused ring systems.
• Material Science: Potential monomer or additive in the development of specialty polymers and advanced functional materials.
• Chemical Biology Probe: Serves as a core structure for designing molecular probes and inhibitors in biochemical research.

Basic Information

Product Name	5(2H)-Isoxazolone,3-(1,1-Dimethylethyl)-4-Methyl-(9Ci)
CAS No.	144478-95-5
Molecular Formula	C8H13NO2
Molecular Weight	155.19 g/mol
Synonyms	3-tert-Butyl-4-methyl-5(2H)-isoxazolone; 4-Methyl-3-(tert-butyl)-2H-isoxazol-5-one; 3-(1,1-Dimethylethyl)-4-methyl-5(2H)-isoxazolone; 3-tert-Butyl-4-methylisoxazol-5(2H)-one; 5(2H)-Isoxazolone, 3-(1,1-dimethylethyl)-4-methyl-; tert-Butyl methyl isoxazolone; 144478-95-5
EINECS	Contact for details

Quality Control

Our 5(2H)-Isoxazolone,3-(1,1-Dimethylethyl)-4-Methyl-(9Ci) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability, consistency, and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque or amber packaging, or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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