Description

(E)-3-(Naphthalen-1-Yl)-n-(Thiophen-2-Ylmethylene)-1H-Pyrazole-5-Carbohydrazide CAS NO 634888-19-0 is a high-purity, heterocyclic organic compound featuring a unique molecular architecture combining naphthalene, thiophene, and pyrazole moieties. This compound is valued for its role as a sophisticated chemical intermediate and research chemical in advanced synthetic chemistry. It is primarily sought by R&D and production teams in the pharmaceutical and agrochemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in oncology and anti-infective research.
• Agrochemical Research: Used in developing new-generation pesticides and herbicides due to its complex heterocyclic structure.
• Material Science: Serves as a precursor for organic electronic materials, including semiconductors and light-emitting compounds.
• Chemical Synthesis: A versatile intermediate for constructing complex molecules in academic and industrial organic chemistry laboratories.
• Biochemical Probe: Utilized in life sciences research to study enzyme inhibition and protein-ligand interactions.
• Dye & Pigment Development: Acts as a core structure for synthesizing specialized dyes and colorants.

Basic Information

Product Name	(E)-3-(Naphthalen-1-Yl)-n-(Thiophen-2-Ylmethylene)-1H-Pyrazole-5-Carbohydrazide
CAS No.	634888-19-0
Molecular Formula	C19H14N4OS
Molecular Weight	346.41 g/mol
Synonyms	1H-Pyrazole-5-carbohydrazide, 3-(1-naphthalenyl)-N-[(2-thienyl)methylene]-; (E)-3-(1-Naphthyl)-N-(thiophen-2-ylmethylene)-1H-pyrazole-5-carbohydrazide; N-[(E)-(Thiophen-2-yl)methylidene]-3-(naphthalen-1-yl)-1H-pyrazole-5-carbohydrazide; 634888-19-0; (E)-3-(Naphthalen-1-yl)-N-(thiophen-2-ylmethylene)-1H-pyrazole-5-carbohydrazide
EINECS	Contact for details

Quality Control

Our production of (E)-3-(Naphthalen-1-Yl)-n-(Thiophen-2-Ylmethylene)-1H-Pyrazole-5-Carbohydrazide adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes to support your regulatory and R&D requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

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