Description

4-Chloro-5-Nitro-1 H-Pyrazole-3-Carboxylic Acid Hydrazide is a high-purity, multi-functional heterocyclic building block of significant commercial and research interest. This compound serves as a critical intermediate in the synthesis of advanced pharmaceutical agents and agrochemicals, enabling the construction of complex molecular architectures. It is essential for R&D chemists and production specialists in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality raw materials for their synthesis pipelines.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with pyrazole-based scaffolds for therapeutic applications.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging its reactive hydrazide and nitro-chloro substituted pyrazole structure.
• Chemical Research & Development: Serves as a versatile building block in medicinal chemistry for creating compound libraries and exploring new chemical entities.
• Material Science: Potential use in the synthesis of specialized polymers, ligands for catalysis, or advanced organic materials.
• Dye & Pigment Industry: Can be utilized as an intermediate in the production of complex heterocyclic dyes and colorants.

Basic Information

Product Name	4-Chloro-5-Nitro-1 H-Pyrazole-3-Carboxylic Acid Hydrazide
CAS No.	1046463-61-9
Molecular Formula	C4H4ClN5O4
Molecular Weight	221.56 g/mol
Synonyms	4-Chloro-5-nitropyrazole-3-carbohydrazide; 4-Chloro-5-nitro-1H-pyrazole-3-carboxylic acid hydrazide; 1H-Pyrazole-3-carboxylic acid, 4-chloro-5-nitro-, hydrazide; 4-Chloro-5-nitro-1H-pyrazole-3-carbohydrazide; 3-Hydrazinylcarbonyl-4-chloro-5-nitro-1H-pyrazole
EINECS	Contact for details

Quality Control

Our 4-Chloro-5-Nitro-1 H-Pyrazole-3-Carboxylic Acid Hydrazide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with every shipment, detailing all critical quality parameters. We are committed to meeting the stringent requirements of our global clientele in research and cGMP manufacturing environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and stored away from direct light and moisture to maintain stability and purity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.