Description

5-Methyl-3-Phenyl-4,5-Dihydroisoxazole-5-Carboxylic Acid (Saltdata: Free) is a high-value, heterocyclic carboxylic acid derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its unique isoxazoline scaffold makes it a versatile building block for constructing complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and manufacturers developing novel active ingredients, where precise chemical functionality and high purity are paramount for successful outcomes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-inflammatory agents, and other therapeutic small molecules.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Chemical Synthesis Building Block: Employed in organic synthesis for constructing complex isoxazoline-containing compounds, useful in material science and catalysis research.
• Academic & R&D Laboratories: Serves as a standard or starting material for methodological studies in heterocyclic chemistry and medicinal chemistry programs.
• Fine Chemical Production: Integral in the multi-step synthesis of specialty chemicals and performance materials requiring specific chiral or structural motifs.

Basic Information

Product Name	5-Methyl-3-Phenyl-4,5-Dihydroisoxazole-5-Carboxylic Acid (Saltdata: Free)
CAS No.	842954-77-2
Molecular Formula	C12H11NO3
Molecular Weight	217.22 g/mol
Synonyms	5-Methyl-3-phenyl-4,5-dihydroisoxazole-5-carboxylic acid; 5-Methyl-3-phenyl-2-isoxazoline-5-carboxylic acid; 4,5-Dihydro-5-methyl-3-phenylisoxazole-5-carboxylic acid; 842954-77-2; 5-Carboxy-5-methyl-3-phenyl-4,5-dihydroisoxazole; 3-Phenyl-5-methyl-4,5-dihydroisoxazole-5-carboxylic acid.
EINECS	Contact for details

Quality Control

Our production of 5-Methyl-3-Phenyl-4,5-Dihydroisoxazole-5-Carboxylic Acid adheres to stringent internal quality standards, ensuring batch-to-batch consistency and high chemical purity suitable for research and development. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We are committed to meeting the exacting requirements of our global B2B clients, with quality systems designed to support regulatory filings and advanced synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product is soluble in strong acid/organic solvent; keep away from incompatible materials. For long-term storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 2.0%

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