Description

5-Methyl-4-(1H-Pyrazol-1-Ylmethyl)Isoxazole-3-Carboxylic Acid is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound matters because it serves as a versatile intermediate for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs). It is primarily needed by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create new compounds with targeted biological activities.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Synthesis: Used in the design and synthesis of novel herbicides, fungicides, and insecticides, leveraging its unique heterocyclic core.
• Chemical Biology & Proteomics: Serves as a valuable scaffold or linker in the development of chemical probes and activity-based protein profiling (ABPP) reagents.
• Material Science Research: Investigated as a monomer or functional component in the synthesis of advanced polymers with specific optical or electronic properties.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic and medicinal chemistry.

Basic Information

Product Name	5-Methyl-4-(1H-Pyrazol-1-Ylmethyl)Isoxazole-3-Carboxylic Acid
CAS No.	957514-13-5
Molecular Formula	C9H9N3O3
Molecular Weight	207.19 g/mol
Synonyms	5-Methyl-4-(pyrazol-1-ylmethyl)isoxazole-3-carboxylic acid; 4-[(1H-Pyrazol-1-yl)methyl]-5-methyl-3-isoxazolecarboxylic acid; 957514-13-5; 5-Methyl-4-(1H-pyrazol-1-ylmethyl)-1,2-oxazole-3-carboxylic acid; Isoxazole-3-carboxylic acid, 5-methyl-4-[(1H-pyrazol-1-yl)methyl]-; 4-(1H-Pyrazol-1-ylmethyl)-5-methylisoxazole-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our 5-Methyl-4-(1H-Pyrazol-1-Ylmethyl)Isoxazole-3-Carboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and scale-up applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.