Description

1-Methyl-5-(2-Nitro-Phenyl)-1H-Pyrazole CAS NO 305811-46-5 is a specialized pyrazole derivative, a key heterocyclic building block in advanced organic synthesis. This compound matters for its role as a crucial intermediate in the development of active pharmaceutical ingredients (APIs) and functional agrochemicals. It is primarily needed by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to create novel molecules with targeted properties.

Application

• Pharmaceutical Intermediate: Serves as a core scaffold for synthesizing novel drug candidates, particularly in therapeutic areas requiring specific heterocyclic frameworks.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the pyrazole structure contributes to biological activity.
• Material Science Research: Acts as a precursor for developing specialty chemicals, dyes, and functional polymers with unique optical or electronic properties.
• Academic & Industrial R&D: A valuable reagent for method development and exploring new chemical reactions in heterocyclic chemistry.
• Custom Synthesis Building Block: Employed in contract manufacturing and custom synthesis projects to create complex, multi-functional organic molecules.

Basic Information

Product Name	1-Methyl-5-(2-Nitro-Phenyl)-1H-Pyrazole
CAS No.	305811-46-5
Molecular Formula	C10H9N3O2
Molecular Weight	203.20 g/mol
Synonyms	1-Methyl-5-(2-nitrophenyl)-1H-pyrazole; 5-(2-Nitrophenyl)-1-methyl-1H-pyrazole; 1-Methyl-5-(o-nitrophenyl)pyrazole; 2-Nitro-1-(1-methyl-1H-pyrazol-5-yl)benzene; 305811-46-5; 1H-Pyrazole, 1-methyl-5-(2-nitrophenyl)-
EINECS	Contact for details

Quality Control

Our 1-Methyl-5-(2-Nitro-Phenyl)-1H-Pyrazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your most demanding synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.