Description

(E)-n-((2-Hydroxynaphthalen-1-Yl)Methylene)-3-(5-Methylthiophen-2-Yl)-1H-Pyrazole-5-Carbohydrazide is a high-purity, complex heterocyclic organic compound designed for advanced research and development applications. Its intricate molecular structure, featuring fused naphthalene, pyrazole, and thiophene rings, makes it a valuable intermediate for synthesizing novel functional materials and active pharmaceutical ingredients. This compound is primarily targeted at R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new molecules with specific electronic or biological properties.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the research and synthesis of new drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of novel pesticides, herbicides, or fungicides due to its complex heterocyclic scaffold.
• Organic Light-Emitting Diode (OLED) Materials: Investigated as a potential precursor or dopant material in the creation of advanced electronic and optoelectronic devices.
• Coordination Chemistry & Ligand Synthesis: Acts as a potential chelating ligand for metal ions in catalytic systems or metal-organic frameworks (MOFs).
• Dye & Pigment Intermediate: Utilized in the research of high-performance dyes and pigments, leveraging its conjugated naphthalene system for color properties.
• Academic & Institutional Research: Employed in universities and research institutes for fundamental studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	(E)-n-((2-Hydroxynaphthalen-1-Yl)Methylene)-3-(5-Methylthiophen-2-Yl)-1H-Pyrazole-5-Carbohydrazide
CAS No.	1285535-83-2
Molecular Formula	C₂₀H₁₆N₄O₂S
Molecular Weight	376.43 g/mol
Synonyms	(E)-N'-((2-Hydroxynaphthalen-1-yl)methylene)-3-(5-methylthiophen-2-yl)-1H-pyrazole-5-carbohydrazide; 1H-Pyrazole-5-carboxylic acid, 3-(5-methyl-2-thienyl)-, 2-[(2-hydroxy-1-naphthalenyl)methylene]hydrazide, (E)-; 3-(5-Methylthiophen-2-yl)-1H-pyrazole-5-carboxylic acid (2-hydroxy-1-naphthyl)methylene hydrazide; N'-[(E)-(2-Hydroxy-1-naphthyl)methylidene]-3-(5-methyl-2-thienyl)-1H-pyrazole-5-carbohydrazide; Arylhydrazone derivative of 3-(5-methylthiophen-2-yl)-1H-pyrazole-5-carbohydrazide.
EINECS	Contact for details

Quality Control

Our (E)-n-((2-Hydroxynaphthalen-1-Yl)Methylene)-3-(5-Methylthiophen-2-Yl)-1H-Pyrazole-5-Carbohydrazide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure it meets the high standards required for research and development. Certificates of Analysis (COA) detailing batch-specific results are provided and available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). This compound is light-sensitive (store away from light) and should be handled to minimize prolonged exposure to air and moisture to maintain stability.

Specification

Item	Specification
Appearance	Yellow to orange solid powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
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.