Description

tert-Butyl trans-3-Pentenoate is a high-purity, unsaturated ester building block valued for its versatile reactivity and protective tert-butyl group. This compound matters as a crucial intermediate in the synthesis of complex molecules, particularly in pharmaceutical and fine chemical research, where its structure offers strategic advantages for further functionalization. Industries that need it include pharmaceutical R&D for active ingredient synthesis, agrochemical manufacturers developing novel crop protection agents, and specialty chemical producers creating advanced materials and fragrances.

Application

• Pharmaceutical Intermediate: A key synthon in the multi-step synthesis of active pharmaceutical ingredients (APIs), leveraging the trans-alkene and ester functionalities for subsequent coupling or reduction reactions.
• Agrochemical Synthesis: Used in the development and production of advanced herbicides, fungicides, and insecticides, where it serves as a precursor to more complex molecular architectures.
• Fine Chemical Building Block: Employed in organic synthesis for constructing complex natural products, flavors, and fragrances due to its predictable reactivity profile.
• Polymer & Material Science: Acts as a monomer or co-monomer in the research and development of specialty polymers with tailored properties.
• Cross-Coupling Reactions: Serves as a substrate in palladium-catalyzed reactions like Heck couplings, which are fundamental for creating carbon-carbon bonds in complex molecules.
• Academic & Industrial Research: A valuable reagent for methodological studies and exploring new synthetic pathways in chemistry laboratories worldwide.

Basic Information

Product Name	tert-Butyl trans-3-Pentenoate
CAS No.	81643-01-8
Molecular Formula	C9H16O2
Molecular Weight	156.22 g/mol
Synonyms	trans-3-Pentenoic acid tert-butyl ester; tert-Butyl (E)-3-pentenoate; (E)-3-Pentenoic acid 1,1-dimethylethyl ester; 3-Pentenoic acid, 1,1-dimethylethyl ester, (E)-; Butyl trans-3-pentenoate; t-Butyl trans-3-pentenoate; tert-Butyl ester of trans-3-pentenoic acid
EINECS	Contact for details

Quality Control

Our tert-Butyl trans-3-Pentenoate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, specific impurities, and physical properties is provided with every shipment and is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from heat, sparks, open flames, and strong oxidizing agents. For long-term storage, consider maintaining under an inert atmosphere to preserve purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Purity (HPLC)	≥ 98.0%
trans-Isomer Content	≥ 99.0%
Water Content (KF)	≤ 0.5%
Residue on Evaporation	≤ 0.1%

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