Description

(E)-3,5-Dimethyl-n-(Naphthalen-1-Ylmethylene)-1-Phenyl-1H,1H-[3,4-Bipyrazole]-5-Carbohydrazide CAS NO 1285536-28-8 is a high-purity, advanced heterocyclic organic compound characterized by its unique bipyrazole core functionalized with a naphthalene hydrazone moiety. This complex molecular architecture makes it a critical intermediate and building block for sophisticated chemical synthesis, particularly in the development of novel functional materials and active pharmaceutical ingredients (APIs). It is primarily sought after by research institutions, pharmaceutical R&D laboratories, and specialty chemical manufacturers engaged in cutting-edge organic synthesis and material science projects.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibitors or receptor modulators due to its complex heterocyclic structure.
• Organic Light-Emitting Diode (OLED) Material Research: Used as a core building block for developing new electron-transporting or host materials, leveraging its rigid, conjugated naphthalene and bipyrazole system.
• Coordination Chemistry & Ligand Synthesis: Acts as a potential polydentate ligand for metal-organic frameworks (MOFs) or catalysts, utilizing its nitrogen-rich hydrazone and pyrazole groups.
• Agrochemical Research Intermediate: Employed in the development of new-generation pesticides or herbicides where specific heterocyclic scaffolds are required for bioactivity.
• Dye & Pigment Chemistry: Functions as an intermediate for synthesizing specialized dyes and pigments, where its extended aromatic system can contribute to color and stability.
• Academic & Industrial Research: A valuable compound for methodological studies in organic synthesis, including reactions like condensation, cyclization, and functional group transformations.

Basic Information

Product Name	(E)-3,5-Dimethyl-n-(Naphthalen-1-Ylmethylene)-1-Phenyl-1H,1H-[3,4-Bipyrazole]-5-Carbohydrazide
CAS No.	1285536-28-8
Molecular Formula	C26H21N5O
Molecular Weight	419.48 g/mol
Synonyms	(E)-3,5-Dimethyl-1-phenyl-N-((naphthalen-1-yl)methylene)-1H-pyrazole-4-carbohydrazide; (E)-N-((1-Naphthyl)methylene)-3,5-dimethyl-1-phenyl-1H-pyrazole-4-carbohydrazide; (E)-3,5-Dimethyl-1-phenyl-1H-pyrazole-4-carbohydrazide N-(1-naphthyl)methylidene; 1-Phenyl-3,5-dimethyl-4-((E)-((1-naphthyl)methylene)hydrazinecarbonyl)pyrazole; (E)-3,5-Dimethyl-1-phenyl-4-[(1-naphthylmethylene)hydrazinocarbonyl]pyrazole; (E)-1-Phenyl-3,5-dimethyl-4-[(1-naphthylmethylene)hydrazinocarbonyl]pyrazole; (E)-3,5-Dimethyl-1-phenyl-1H-pyrazole-4-carboxylic acid (1-naphthalenylmethylene)hydrazide
EINECS	Contact for details

Quality Control

Our production of (E)-3,5-Dimethyl-n-(Naphthalen-1-Ylmethylene)-1-Phenyl-1H,1H-[3,4-Bipyrazole]-5-Carbohydrazide adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including HPLC for purity assay, NMR for structural confirmation, and mass spectrometry for identity verification. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all relevant specifications. We support cGMP-compliant manufacturing for advanced research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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