Description

1-Methyl-5-Nitro-1H-Pyrazole-4-Carboxylic Acid is a high-purity heterocyclic building block of significant importance in advanced organic synthesis. This compound serves as a critical intermediate for the development of active pharmaceutical ingredients (APIs) and agrochemicals, where its unique pyrazole core enables the construction of complex molecular architectures. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides due to its bioactive pyrazole scaffold.
• Chemical Research & Development: Serves as a versatile building block for constructing complex heterocyclic compounds in academic and industrial research laboratories.
• Material Science Precursor: Potential use in the synthesis of specialty polymers, ligands for catalysis, or organic electronic materials.

Basic Information

Item	Detail
Product Name	1-Methyl-5-Nitro-1H-Pyrazole-4-Carboxylic Acid
CAS No.	18213-77-9
Molecular Formula	C5H5N3O4
Molecular Weight	171.11 g/mol
Synonyms	5-Nitro-1-methyl-1H-pyrazole-4-carboxylic acid; 1-Methyl-5-nitropyrazole-4-carboxylic acid; 4-Carboxy-1-methyl-5-nitropyrazole; 1-Methyl-5-nitro-1H-pyrazole-4-carboxylic acid; 18213-77-9; 1-Methyl-5-nitropyrazole-4-carboxylic acid; 5-Nitro-1-methylpyrazole-4-carboxylic acid
EINECS	Contact for details

Quality Control

Our 1-Methyl-5-Nitro-1H-Pyrazole-4-Carboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.