Description

5-(Acetyloxy)-3-Methyl-2-Pentenoic Acid 1,1-Dimethylethyl Ester is a specialized organic ester compound, CAS 77611-53-1, valued as a versatile chemical intermediate and building block in advanced organic synthesis. Its molecular structure, featuring both acetyloxy and tert-butyl ester protecting groups, makes it a critical precursor for constructing complex molecules with high regioselectivity. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly in constructing complex side chains and heterocyclic systems.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its structure contributes to specific biological activity.
• Fine Chemical Production: Acts as a precursor for specialty chemicals, including fragrances, flavors, and advanced polymer modifiers.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry, including studies on esterification, protection/deprotection strategies, and cross-coupling reactions.
• Material Science: Potential intermediate for synthesizing monomers or additives used in specialty polymers and coatings.

Basic Information

Product Name	5-(Acetyloxy)-3-Methyl-2-Pentenoic Acid 1,1-Dimethylethyl Ester
CAS No.	77611-53-1
Molecular Formula	C12H20O4
Molecular Weight	228.29 g/mol
Synonyms	tert-Butyl 5-(acetyloxy)-3-methylpent-2-enoate; 3-Methyl-2-pentenoic acid, 5-(acetyloxy)-, 1,1-dimethylethyl ester; 5-Acetoxy-3-methyl-2-pentenoic acid tert-butyl ester; tert-Butyl 5-acetoxy-3-methyl-2-pentenoate; 2-Butenoic acid, 5-(acetyloxy)-3-methyl-, 1,1-dimethylethyl ester; Acetic acid 5-(1,1-dimethylethoxycarbonyl)-3-methyl-2-pentenyl ester
EINECS	Contact for details

Quality Control

Our 5-(Acetyloxy)-3-Methyl-2-Pentenoic Acid 1,1-Dimethylethyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay (by HPLC or GC), identity (IR, NMR), and impurity profiles are available for every shipment. We are committed to meeting the stringent requirements of research and cGMP-grade manufacturing where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 95.0%
Purity (HPLC Area %)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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