Description

4-Ethyl-4,5-Dihydro-5-Propyl-1H-Pyrazole-1-Carbaldehyde is a specialized heterocyclic aldehyde building block with significant synthetic utility. This compound matters as a versatile intermediate for constructing complex molecular architectures, particularly in the synthesis of novel pharmaceuticals and agrochemicals. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for lead optimization and the development of active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals and flavors & fragrances.
• Academic & Industrial Research: A valuable tool for methodological studies in organic chemistry, including novel cyclization and functionalization reactions.
• Material Science Precursor: Potential use in the development of organic semiconductors and advanced polymeric materials due to its functional group combination.

Basic Information

Item	Detail
Product Name	4-Ethyl-4,5-Dihydro-5-Propyl-1H-Pyrazole-1-Carbaldehyde
CAS No.	54411-09-5
Molecular Formula	C9H16N2O
Molecular Weight	168.24 g/mol
Synonyms	5-Propyl-4-ethyl-4,5-dihydro-1H-pyrazole-1-carbaldehyde; 1H-Pyrazole-1-carboxaldehyde, 4,5-dihydro-4-ethyl-5-propyl-; 4-Ethyl-5-propyl-4,5-dihydro-1H-pyrazole-1-carbaldehyde; 4-Ethyl-5-propyl-4,5-dihydropyrazole-1-carboxaldehyde; 4,5-Dihydro-4-ethyl-5-propyl-1H-pyrazole-1-carboxaldehyde; Dihydro-4-ethyl-5-propyl-1H-pyrazole-1-carbaldehyde; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4-Ethyl-4,5-Dihydro-5-Propyl-1H-Pyrazole-1-Carbaldehyde is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request 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 room temperature (15-25°C). This material 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	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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