Description

(E)-3-(4-Ethylphenyl)-n-(4-Methoxybenzylidene)-1H-Pyrazole-5-Carbohydrazide CAS NO 1285578-41-7 is a high-purity, specialized organic compound belonging to the pyrazole carbohydrazide class. This chemical serves as a critical advanced intermediate for research and development in pharmaceutical and agrochemical synthesis. It is primarily needed by R&D chemists and process development scientists working on novel active ingredients.

Application

This compound is designed for advanced synthetic chemistry applications, particularly as a building block for complex molecular architectures.

• Pharmaceutical Intermediate: Key precursor in the research and development of new drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the synthesis of novel pesticides, herbicides, or fungicides due to its heterocyclic core structure.
• Chemical Biology Probe: Serves as a scaffold for developing molecular probes to study biological processes and protein interactions.
• Material Science Research: Potential intermediate for synthesizing specialized polymers or organic electronic materials with unique properties.
• Academic & Institutional R&D: Utilized in university and research institute laboratories for methodological studies and novel compound library generation.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for CDMOs (Contract Development and Manufacturing Organizations) producing bespoke compounds for clients.

Basic Information

Product Name	(E)-3-(4-Ethylphenyl)-n-(4-Methoxybenzylidene)-1H-Pyrazole-5-Carbohydrazide
CAS No.	1285578-41-7
Molecular Formula	C20H20N4O2
Molecular Weight	348.40 g/mol
Synonyms	(E)-N-((4-Methoxyphenyl)methylene)-3-(4-ethylphenyl)-1H-pyrazole-5-carbohydrazide; 3-(4-Ethylphenyl)-N-[(E)-(4-methoxyphenyl)methylidene]-1H-pyrazole-5-carbohydrazide; 1H-Pyrazole-5-carboxylic acid, 3-(4-ethylphenyl)-, 2-[(E)-(4-methoxyphenyl)methylene]hydrazide; Pyrazole carbohydrazide derivative 1285578-41-7
EINECS	Contact for details

Quality Control

Our (E)-3-(4-Ethylphenyl)-n-(4-Methoxybenzylidene)-1H-Pyrazole-5-Carbohydrazide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistency and reliability for research applications. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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