Description

4-Bromo-5-Methylisoxazol-3-Ol is a versatile brominated isoxazole derivative, a key heterocyclic building block prized for its reactive sites that enable diverse chemical transformations. This compound is essential for researchers and manufacturers requiring a high-purity intermediate to synthesize complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought by fine chemical producers, R&D laboratories, and companies developing active pharmaceutical ingredients (APIs) and advanced crop protection agents.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and antimicrobials.
• Agrochemical Synthesis: Serves as a key building block for developing advanced herbicides, fungicides, and insecticides, leveraging the bioactivity of the isoxazole ring.
• Material Science Research: Used in the development of specialty polymers, liquid crystals, and organic electronic materials due to its unique heterocyclic structure.
• Chemical Biology & Proteomics: Employed as a reactive handle or linker in the design of chemical probes and activity-based protein profiling (ABPP) reagents.
• Academic & Industrial R&D: A fundamental reagent for methodological development in organic synthesis, including cross-coupling reactions and heterocycle functionalization.

Basic Information

Product Name	4-Bromo-5-Methylisoxazol-3-Ol
CAS No.	10067-92-2
Molecular Formula	C4H4BrNO2
Molecular Weight	177.99 g/mol
Synonyms	3-Hydroxy-4-bromo-5-methylisoxazole; 4-Bromo-5-methyl-3-isoxazolol; 4-Bromo-5-methyl-1,2-oxazol-3-ol; 5-Methyl-4-bromoisoxazol-3-ol; 4-Bromo-5-methyl-3-hydroxyisoxazole; 3-Hydroxy-4-bromo-5-methyl-1,2-oxazole
EINECS	Contact for details

Quality Control

Our production of 4-Bromo-5-Methylisoxazol-3-Ol adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) for every shipment, supporting your regulatory and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases and strong oxidizing agents.

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%
Residue on Ignition	≤ 0.1%

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