Description

4-Pentenoic Acid, 2,2-Dimethyl-, Methyl Ester is a specialized, high-purity chemical intermediate characterized by its unique branched-chain structure and terminal alkene functionality. This compound matters for its versatility as a key building block in advanced organic synthesis, enabling the introduction of functionalized pentenoate units into target molecules. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for applications such as the synthesis of active pharmaceutical ingredients (APIs), complex natural product analogs, and novel monomers.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the multi-step synthesis of complex drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring functionalized aliphatic chains.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators where its structural motifs can impart specific biological activity.
• Specialty Polymer & Monomer Production: Acts as a precursor for novel monomers, contributing to the development of polymers with tailored properties like flexibility, adhesion, or chemical resistance.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D laboratories for constructing complex molecular architectures, including natural product analogs and macrocycles.
• Flavor & Fragrance Ingredient Synthesis: Employed in the creation of ester-based aroma chemicals and flavor compounds due to its reactive ester and alkene groups.
• Crosslinking Agent Precursor: The terminal double bond makes it a potential starting material for synthesizing crosslinking agents used in coatings, adhesives, and resin systems.

Basic Information

Product Name	4-Pentenoic Acid, 2,2-Dimethyl-, Methyl Ester
CAS No.	76352-72-2
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	2,2-Dimethyl-4-pentenoic acid methyl ester; Methyl 2,2-dimethyl-4-pentenoate; 4-Pentenoic acid, 2,2-dimethyl-, methyl ester; 2,2-Dimethyl-4-pentenoate methyl ester; Methyl 4-pentenoate, 2,2-dimethyl derivative; 4-Pentenoate, 2,2-dimethyl-, methyl ester; 2,2-Dimethylpent-4-enoic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of 4-Pentenoic Acid, 2,2-Dimethyl-, Methyl Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) documenting all critical quality attributes are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The container should be kept tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.420 - 1.424
Density (20°C)	0.90 - 0.94 g/mL

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