Description

(E)-3-Phenyl-n-(2,4,5-Trimethoxybenzylidene)-1H-Pyrazole-5-Carbohydrazide CAS NO 636571-79-4 is a high-purity, synthetic organic compound belonging to the pyrazole carbohydrazide class, characterized by its distinct molecular architecture featuring phenyl and trimethoxyphenyl groups. This compound serves as a critical advanced intermediate for research and development in medicinal chemistry and agrochemical synthesis. It is primarily required by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in developing novel bioactive molecules.

Application

This specialized intermediate is designed for high-value synthesis and research applications where precise molecular structure is paramount.

• Pharmaceutical Intermediate: Key building block for the research and synthesis of potential new chemical entities (NCEs) targeting various therapeutic areas.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and lead optimization for drug discovery programs.
• Agrochemical Development: Serves as a precursor in the research and synthesis of novel crop protection agents and pesticides.
• Biochemical Tool Compound: Potential use as a probe or inhibitor in biochemical and pharmacological assays to study specific biological pathways.
• Fine Chemical Synthesis: Employed in multi-step organic synthesis for creating complex, high-value specialty chemicals.
• Academic & Institutional Research: Used in universities and research institutes for advanced organic synthesis projects and methodological studies.

Basic Information

Product Name	(E)-3-Phenyl-n-(2,4,5-Trimethoxybenzylidene)-1H-Pyrazole-5-Carbohydrazide
CAS No.	636571-79-4
Molecular Formula	C20H20N4O4
Molecular Weight	380.40 g/mol
Synonyms	(E)-3-Phenyl-N-[(2,4,5-trimethoxyphenyl)methylidene]-1H-pyrazole-5-carbohydrazide; (E)-N-((2,4,5-Trimethoxybenzylidene))-3-phenyl-1H-pyrazole-5-carbohydrazide; 3-Phenyl-N-(2,4,5-trimethoxybenzylidene)-1H-pyrazole-5-carbohydrazide; (E)-3-Phenyl-1H-pyrazole-5-carboxylic acid (2,4,5-trimethoxybenzylidene)hydrazide; Pyrazole carbohydrazide derivative (636571-79-4); CAS 636571-79-4
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards for research-grade intermediates. Every batch is characterized using advanced analytical techniques to confirm identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are available upon request. We adhere to a cGMP-compliant quality management system to ensure traceability and reliability for our global B2B clients.

Storage

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

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
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.