Description

Butyl 5-Methylisoxazole-3-Carboxylate is a versatile organic ester building block, specifically an isoxazole derivative, widely used in advanced chemical synthesis. Its value lies in its role as a key intermediate for constructing complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for research chemists and process development scientists in fine chemical, pharmaceutical, and crop protection industries seeking to develop new active ingredients.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging the bioactive isoxazole scaffold.
• Organic Synthesis Building Block: Serves as a versatile reagent for constructing heterocyclic compounds in academic and industrial research laboratories.
• Material Science Research: Investigated as a monomer or additive for creating specialized polymers with unique thermal or optical properties.
• Chemical Reference Standard: Employed as a high-purity analytical standard for quality control and method development in analytical chemistry.

Basic Information

Product Name	Butyl 5-Methylisoxazole-3-Carboxylate
CAS No.	85168-94-1
Molecular Formula	C10H15NO3
Molecular Weight	197.23 g/mol
Synonyms	Butyl 5-Methyl-1,2-oxazole-3-carboxylate; 5-Methyl-3-isoxazolecarboxylic Acid Butyl Ester; 3-Carbobutoxy-5-methylisoxazole; n-Butyl 5-Methylisoxazole-3-carboxylate; 5-Methylisoxazole-3-carboxylic Acid Butyl Ester; Butyl 5-Methyl-3-isoxazolecarboxylate; 85168-94-1
EINECS	Contact for details

Quality Control

Our Butyl 5-Methylisoxazole-3-Carboxylate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) with detailed specifications are provided for each lot 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 area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed when not in use to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines

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