Description

3-Methyl-5-(5-Methylisoxazol-3-Yl)Isoxazol-4-Carbonylchloride is a high-purity, reactive chemical intermediate of significant importance in advanced organic synthesis. Its core value lies in its utility as a versatile building block for constructing complex heterocyclic frameworks, enabling the development of novel compounds with targeted properties. This product is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical industries, where it is used to synthesize potential active ingredients and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and infectious diseases.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole moiety.
• Material Science Research: Serves as a building block for creating specialized polymers, ligands, or organic electronic materials with unique properties.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying enzyme function and biological pathways.
• Custom Synthesis & Contract Manufacturing: A critical raw material for fine chemical manufacturers offering bespoke synthesis services to the life sciences sector.

Basic Information

Product Name	3-Methyl-5-(5-Methylisoxazol-3-Yl)Isoxazol-4-Carbonylchloride
CAS No.	306936-71-0
Molecular Formula	C9H7ClN2O3
Molecular Weight	226.62 g/mol
Synonyms	4-Isoxazolecarbonyl chloride, 3-methyl-5-(5-methyl-3-isoxazolyl)-; 3-Methyl-5-(5-methyl-1,2-oxazol-3-yl)-1,2-oxazole-4-carbonyl chloride; 3-Methyl-5-(5-methylisoxazol-3-yl)isoxazole-4-carbonyl chloride; 306936-71-0; AKOS005158623; ZINC000068049756; 4-Carbonylchloride-3-methyl-5-(5-methylisoxazol-3-yl)isoxazole
EINECS	Contact for details

Quality Control

Our 3-Methyl-5-(5-Methylisoxazol-3-Yl)Isoxazol-4-Carbonylchloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, suitable for demanding synthetic applications. Production adheres to cGMP guidelines where applicable, and each lot is supported by a comprehensive Certificate of Analysis (COA). The COA provides detailed results for identity, purity (HPLC), and impurity profile, ensuring full traceability and compliance with your internal quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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