Description

3-(But-3-Ynyl)-5-Methoxy-1-Phenyl-1H-Pyrazole-4-Carbaldehyde is a specialized pyrazole derivative building block with significant synthetic utility. This compound matters as a key intermediate for constructing complex heterocyclic systems, particularly in pharmaceutical and agrochemical research and development. It is needed by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and crop protection industries for synthesizing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A versatile building block for the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Serves as a key precursor in the development of new-generation pesticides, herbicides, and fungicides with enhanced efficacy and selectivity.
• Material Science: Used in the research and synthesis of advanced organic materials, including liquid crystals, organic semiconductors, and photoactive polymers.
• Chemical Biology Probe Development: Employed as a scaffold for creating molecular probes to study enzyme function and biological pathways.
• Academic & Contract Research: Essential for synthetic organic chemistry research in universities and CROs (Contract Research Organizations) exploring new heterocyclic chemistry and reaction methodologies.
• Custom Synthesis: A starting point for contract manufacturing organizations (CMOs) producing bespoke fine chemicals for client-specific projects.

Basic Information

Product Name	3-(But-3-Ynyl)-5-Methoxy-1-Phenyl-1H-Pyrazole-4-Carbaldehyde
CAS No.	226070-80-0
Molecular Formula	C15H14N2O2
Molecular Weight	254.28 g/mol
Synonyms	5-Methoxy-1-phenyl-3-(3-butyn-1-yl)-1H-pyrazole-4-carboxaldehyde; 1H-Pyrazole-4-carboxaldehyde, 3-(3-butyn-1-yl)-5-methoxy-1-phenyl-; 3-(But-3-yn-1-yl)-5-methoxy-1-phenyl-1H-pyrazole-4-carbaldehyde; 3-(3-Butynyl)-5-methoxy-1-phenyl-1H-pyrazole-4-carbaldehyde; 5-Methoxy-1-phenyl-3-(but-3-yn-1-yl)-1H-pyrazole-4-carbaldehyde; Pyrazole-4-carbaldehyde derivative CAS 226070-80-0
EINECS	Contact for details

Quality Control

Our 3-(But-3-Ynyl)-5-Methoxy-1-Phenyl-1H-Pyrazole-4-Carbaldehyde is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP (current Good Manufacturing Practice) standards for pharmaceutical applications and can tailor purity grades to meet specific project 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). This compound is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0% (Standard Grade)
Purity (HPLC)	≥ 99.0% (High Purity Grade)
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.