Description

(E)-3-(4-Butoxyphenyl)-n-(Thiophen-2-Ylmethylene)-1H-Pyrazole-5-Carbohydrazide CAS NO 634899-35-7 is a high-purity, synthetic organic compound belonging to the pyrazole-carbohydrazide class. This molecule is valued for its role as a versatile chemical intermediate and pharmacological research tool, particularly in the development of novel bioactive agents. It is essential for R&D teams and manufacturers in the pharmaceutical, agrochemical, and advanced material science sectors seeking to explore structure-activity relationships.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of potential drug candidates, especially for targeting specific enzymatic pathways.
• Agrochemical Research: Used in developing novel active ingredients for crop protection products, such as fungicides or herbicides.
• Chemical Biology Probe: Serves as a scaffold for creating molecular probes to study protein-ligand interactions and cellular processes.
• Material Science Precursor: Potential intermediate in the synthesis of organic electronic materials or specialty polymers.
• Academic & Contract Research: Supplied to universities and CROs for fundamental organic chemistry and medicinal chemistry research programs.
• Custom Synthesis Starting Material: Provides a defined structure for contract manufacturing organizations (CMOs) to perform further functionalization and scale-up.

Basic Information

Product Name	(E)-3-(4-Butoxyphenyl)-n-(Thiophen-2-Ylmethylene)-1H-Pyrazole-5-Carbohydrazide
CAS No.	634899-35-7
Molecular Formula	C19H20N4O2S
Molecular Weight	368.45 g/mol
Synonyms	(E)-3-(4-Butoxyphenyl)-N-[(thiophen-2-yl)methylidene]-1H-pyrazole-5-carbohydrazide; (E)-3-(4-Butoxyphenyl)-N-(thiophen-2-ylmethylene)-1H-pyrazole-5-carbohydrazide; 1H-Pyrazole-5-carboxylic acid, 3-(4-butoxyphenyl)-, 2-[(2-thienyl)methylene]hydrazide, (E)-; CAS 634899-35-7; Pyrazole-carbohydrazide derivative; Thiophene-pyrazole hydrazone
EINECS	Contact for details

Quality Control

Every batch of our (E)-3-(4-Butoxyphenyl)-n-(Thiophen-2-Ylmethylene)-1H-Pyrazole-5-Carbohydrazide is manufactured under a strict quality management system. We employ advanced analytical techniques including HPLC, NMR, and MS to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized and should be handled under an inert atmosphere for long-term storage or when opening the primary container. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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