Description

5-Methyl-1-(2-Nitrophenyl)-1H-Pyrazole CAS NO 1247439-67-3 is a specialized heterocyclic organic compound featuring a pyrazole core substituted with methyl and nitrophenyl groups. This structure makes it a valuable and versatile chemical intermediate for advanced synthesis in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on novel active ingredients. The compound's specific substitution pattern is critical for constructing complex molecules with targeted biological activity.

Application

This compound serves as a key building block in several high-value synthetic pathways. Its primary applications include:

• Pharmaceutical Intermediate: Used in the research and development of new drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Acts as a precursor in the creation of novel herbicides, fungicides, or insecticides.
• Material Science Research: Employed in the synthesis of specialized organic ligands or functional molecules for advanced materials.
• Chemical Biology Probes: Utilized to develop tool compounds for studying biological processes and target validation.
• Custom Synthesis & Contract Manufacturing: Sourced by CDMOs for client-specific projects requiring this precise molecular scaffold.

Basic Information

Product Name	5-Methyl-1-(2-Nitrophenyl)-1H-Pyrazole
CAS No.	1247439-67-3
Molecular Formula	C10H9N3O2
Molecular Weight	203.20 g/mol
Synonyms	5-Methyl-1-(2-nitrophenyl)-1H-pyrazole; 1-(2-Nitrophenyl)-5-methyl-1H-pyrazole; 5-Methyl-1-(o-nitrophenyl)pyrazole; 2-Nitro-5-methyl-1-phenylpyrazole; Pyrazole, 5-methyl-1-(2-nitrophenyl)-; 1247439-67-3
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for all our fine chemical intermediates. Production follows cGMP principles where applicable, and each batch is analyzed using advanced techniques like HPLC, GC, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and support your regulatory requirements.

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). This material is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.