Description

3-(1-Methyl-1H-Pyrazol-4-Yl)-Isoxazole-5-Carboxylic Acid is a high-value heterocyclic building block essential for modern pharmaceutical and agrochemical research. This compound matters as a key synthetic intermediate, enabling the construction of complex molecules with potential biological activity. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical industry for drug discovery programs targeting various therapeutic areas.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in medicinal chemistry for lead optimization.
• Agrochemical Research: Used in the development of new crop protection agents, such as herbicides and fungicides, leveraging its heterocyclic core.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological pathways and target engagement.
• Material Science: Potential precursor for the synthesis of specialized polymers or ligands with unique electronic properties.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and scale-up services for clients.

Basic Information

Product Name	3-(1-Methyl-1H-Pyrazol-4-Yl)-Isoxazole-5-Carboxylic Acid
CAS No.	957312-81-1
Molecular Formula	C8H7N3O3
Molecular Weight	193.16 g/mol
Synonyms	5-Isoxazolecarboxylic acid, 3-(1-methyl-1H-pyrazol-4-yl)-; 3-(1-Methyl-1H-pyrazol-4-yl)isoxazole-5-carboxylic acid; 1-Methyl-4-(5-carboxyisoxazol-3-yl)pyrazole; 957312-81-1; AI3-71039; ZINC000253949911; AKOS005258209; BDBM50389353
EINECS	Contact for details

Quality Control

Our 3-(1-Methyl-1H-Pyrazol-4-Yl)-Isoxazole-5-Carboxylic Acid is produced under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory needs.

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. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
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.