Description

1-Propanone,1-(5-Ethyl-3-Isoxazolyl)-(9Ci) is a specialized organic compound belonging to the isoxazole ketone family, identified by CAS No. 63341-11-7. This chemical serves as a valuable advanced intermediate for the synthesis of complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients, where its unique heterocyclic structure enables the construction of targeted pharmacophores and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, or insecticides, leveraging the bioactivity of the isoxazole moiety.
• Material Science Research: Serves as a precursor for developing specialty polymers, liquid crystals, or organic electronic materials due to its conjugated ketone structure.
• Chemical Biology & Proteomics: Employed in the design and synthesis of molecular probes, enzyme inhibitors, or activity-based protein profiling (ABPP) reagents.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for scale-up and production under cGMP for clinical trial materials.

Basic Information

Product Name	1-Propanone,1-(5-Ethyl-3-Isoxazolyl)-(9Ci)
CAS No.	63341-11-7
Molecular Formula	C8H11NO2
Molecular Weight	153.18 g/mol
Synonyms	1-(5-Ethyl-3-isoxazolyl)-1-propanone; 5-Ethyl-3-propanoylisoxazole; 3-Propanoyl-5-ethylisoxazole; 1-Propanone, 1-(5-ethyl-3-isoxazolyl)-; 5-Ethylisoxazole-3-carboxylic acid propyl ketone; 3-Acetyl-5-ethylisoxazole (common misnomer, verify structure); Ketone, 5-ethyl-3-isoxazolyl methyl ethyl
EINECS	Contact for details

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and purity for research and development applications. Our products undergo comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to confirm identity and quantify purity. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality attributes. For advanced projects, we can supply material manufactured under cGMP guidelines and support regulatory filings with comprehensive documentation.

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. For long-term storage, consider storing under an inert atmosphere to prevent potential degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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