Description

(E)-3-(4-Ethylphenyl)-n-(3-Nitrobenzylidene)-1H-Pyrazole-5-Carbohydrazide CAS NO 403650-67-9 is a specialized organic compound belonging to the pyrazole carbohydrazide class, serving as a critical advanced intermediate in modern chemical synthesis. Its molecular architecture, featuring a nitrobenzylidene moiety and a pyrazole core, makes it a valuable building block for constructing complex molecules with targeted functionalities. This high-purity intermediate is essential for research and development in the pharmaceutical and agrochemical industries, where it is used to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzymatic pathways or receptor sites.
• Agrochemical Research: Used in developing next-generation herbicides, fungicides, or plant growth regulators that require a pyrazole-based active scaffold.
• Chemical Biology Probe: Serves as a foundational structure for creating molecular probes to study biological processes and protein interactions.
• Material Science Research: Acts as a monomer or functional additive in the development of advanced polymers and specialty materials with specific optical or electronic properties.
• Organic Synthesis Building Block: Employed in multi-step synthetic routes to create complex heterocyclic compounds for various R&D applications.

Basic Information

Product Name	(E)-3-(4-Ethylphenyl)-n-(3-Nitrobenzylidene)-1H-Pyrazole-5-Carbohydrazide
CAS No.	403650-67-9
Molecular Formula	C19H17N5O3
Molecular Weight	363.37 g/mol
Synonyms	(E)-3-(4-Ethylphenyl)-N-[(3-nitrophenyl)methylidene]-1H-pyrazole-5-carbohydrazide; 1H-Pyrazole-5-carboxylic acid, 3-(4-ethylphenyl)-, 2-[(3-nitrophenyl)methylene]hydrazide, (E)-; 403650-67-9; (E)-3-(4-Ethylphenyl)-N-(3-nitrobenzylidene)-1H-pyrazole-5-carbohydrazide; 3-(4-Ethylphenyl)-N-[(E)-(3-nitrophenyl)methylene]-1H-pyrazole-5-carbohydrazide
EINECS	Contact for details

Quality Control

Our (E)-3-(4-Ethylphenyl)-n-(3-Nitrobenzylidene)-1H-Pyrazole-5-Carbohydrazide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We adhere to cGMP principles for advanced intermediates, ensuring traceability and documentation for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). The compound may be light-sensitive (store away from light). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
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.