Description

Methyl 4-pentenoate is a versatile, highly volatile ester compound with the CAS registry number 818-57-5. It serves as a valuable chemical intermediate and building block in organic synthesis, prized for its reactive terminal alkene functionality. This product is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce ester and pentenyl groups into complex molecules.

Application

Methyl 4-pentenoate is a key synthon used across various high-value chemical sectors. Its primary applications include:

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Serves as a precursor for manufacturing herbicides, fungicides, and plant growth regulators.
• Flavor and Fragrance Industry: Acts as a building block for creating specific ester-based aroma compounds.
• Polymer and Resin Modification: Utilized in the production of specialty polymers, coatings, and adhesives through cross-linking reactions.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for metathesis reactions, hydrogenations, and other catalytic transformations.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and other performance chemicals.

Basic Information

Product Name	Methyl 4-Pentenoate
CAS No.	818-57-5
Molecular Formula	C6H10O2
Molecular Weight	114.14 g/mol
Synonyms	4-Pentenoic Acid Methyl Ester; Methyl Pent-4-Enoate; Methyl Allylacetate; Allylacetic Acid Methyl Ester; 4-Penten-1-Oic Acid, Methyl Ester; Methyl 4-Penten-1-Oate
EINECS	212-456-8

Quality Control

Our Methyl 4-pentenoate is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment ensures the material is suitable for demanding applications in GMP-sensitive synthesis and advanced research.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep the container tightly sealed when not in use to prevent evaporation and moisture ingress. Recommended storage temperature: 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.418 - 1.422
Density (20°C)	0.92 - 0.96 g/mL

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