Description

2-Pentenal, 2-Methyl-4-Oxo-, (E)- (9Ci) is a specialized, high-purity chemical intermediate with the CAS number 99948-49-9. This compound is valued for its reactive carbonyl and alkene functionalities, making it a versatile building block in advanced organic synthesis. It is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries seeking to create novel molecular structures.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Flavor and Fragrance Ingredient: Acts as a building block for creating specific aldehydic and fruity notes in high-value aroma chemicals.
• Fine Chemical Production: Employed in custom synthesis and the manufacture of specialty chemicals, including dyes, pigments, and photographic chemicals.
• Academic and Industrial R&D: A valuable reagent for methodological development in organic chemistry, including studies on stereoselective reactions and cross-coupling.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the synthesis of specialty polymers with tailored properties.

Basic Information

Item	Details
Product Name	2-Pentenal, 2-Methyl-4-Oxo-, (E)- (9Ci)
CAS No.	99948-49-9
Molecular Formula	C6H8O2
Molecular Weight	112.13 g/mol
Synonyms	(E)-2-Methyl-4-oxo-2-pentenal; 2-Methyl-4-oxo-2-pentenal; 4-Oxo-2-methyl-2-pentenal; 2-Methyl-2-penten-4-one-1-al; trans-2-Methyl-4-oxo-2-pentenal
EINECS	Contact for details

Quality Control

Every batch of 2-Pentenal, 2-Methyl-4-Oxo-, (E)- (9Ci) is produced and tested under a strict quality management system to ensure consistency and reliability for industrial applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and identity confirmation, to meet the high standards required for synthetic intermediates. Certificates of Analysis (COA) detailing batch-specific results 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 controlled room temperature (15-25°C). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5%

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