Description

5-Methyl-4-(5-Methyl-3-Nitro-Pyrazol-1-Ylmethyl)-Isoxazole-3-Carboxylic Acid is a high-value heterocyclic building block and advanced pharmaceutical intermediate. This compound matters for its role in synthesizing complex molecules, particularly in medicinal chemistry and agrochemical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for creating novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides with specific modes of action.
• Chemical Biology: Serves as a core scaffold or a functionalized handle for creating probes and tool compounds in biochemical research.
• Material Science: Potential precursor for specialty polymers or ligands in catalytic systems due to its multifunctional isoxazole-pyrazole structure.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects requiring complex, multi-heterocyclic architectures.

Basic Information

Product Name	5-Methyl-4-(5-Methyl-3-Nitro-Pyrazol-1-Ylmethyl)-Isoxazole-3-Carboxylic Acid
CAS No.	1006441-81-1
Molecular Formula	C10H10N4O5
Molecular Weight	266.21 g/mol
Synonyms	5-Methyl-4-[(5-methyl-3-nitro-1H-pyrazol-1-yl)methyl]-3-isoxazolecarboxylic acid; 1H-Pyrazole-1-methanol, 5-methyl-3-nitro-, 4-(3-carboxy-5-methyl-4-isoxazolyl)methyl deriv.; 4-((5-Methyl-3-nitropyrazol-1-yl)methyl)-5-methylisoxazole-3-carboxylic acid; Isoxazole-3-carboxylic acid, 5-methyl-4-[(5-methyl-3-nitro-1H-pyrazol-1-yl)methyl]-; 1006441-81-1; 5-Methyl-4-(5-methyl-3-nitro-1-pyrazolylmethyl)isoxazole-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our production of 5-Methyl-4-(5-Methyl-3-Nitro-Pyrazol-1-Ylmethyl)-Isoxazole-3-Carboxylic Acid adheres to strict in-process controls and final batch analysis to ensure consistent high purity and chemical identity. Every lot is characterized by modern analytical techniques including HPLC, NMR, and mass spectrometry. Certificates of Analysis (COA) detailing purity, impurities, and full analytical data are provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from strong acids and organic solvents. The container must be kept tightly closed in a dry environment to minimize moisture exposure.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0% Any single unknown impurity ≤ 1.0%
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.