Description

4-Pentenal, 4-Methyl- CAS NO 3973-43-1 is a versatile, unsaturated aldehyde that serves as a valuable building block in organic synthesis. Its reactive terminal aldehyde and alkene functionalities make it a critical intermediate for constructing complex molecular architectures. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty fragrance industries, where it is used to introduce key structural motifs.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Building block for creating novel pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Ingredient: Used in the production of specialty aroma chemicals and synthetic flavors.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions, Michael additions, and other carbon-carbon bond-forming transformations.
• Polymer & Material Science: Monomer or cross-linking agent for specialty polymers and functional materials.
• Chemical Research: Valuable reagent in academic and industrial R&D for exploring new synthetic methodologies.

Basic Information

Product Name	4-Pentenal, 4-Methyl-
CAS No.	3973-43-1
Molecular Formula	C6H10O
Molecular Weight	98.14 g/mol
Synonyms	4-Methyl-4-pentenal; 4-Methylpent-4-enal; 4-Methyl-4-penten-1-al; 4-Methylpent-4-en-1-al; 4-Methyl-1-penten-5-al; 4-Methyl-4-pentenaldehyde
EINECS	223-603-9

Quality Control

Our 4-Methyl-4-pentenal is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (IR, NMR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for extended stability. Keep away from heat, sparks, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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