Description

3-Butenoic Acid, 3-Methyl-, Phenylmethyl Ester is a specialized organic ester compound valued as a versatile chemical intermediate in advanced organic synthesis. Its structure, featuring both an unsaturated butenoate backbone and a benzyl protecting group, makes it a critical building block for constructing complex molecules. This product is primarily sought by research and development chemists and process development teams in the pharmaceutical, agrochemical, and fine chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring specific chiral centers or olefinic functionalities.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its reactive double bond enables the introduction of specific side chains.
• Fine Chemical & Fragrance Precursor: Acts as a starting material for the manufacture of complex esters and aroma chemicals, leveraging the benzyl group for protective group chemistry.
• Polymer & Material Science Research: Employed as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Organic Synthesis Reagent: Utilized in academic and industrial R&D for Diels-Alder reactions, Michael additions, and other carbon-carbon bond-forming transformations.

Basic Information

Product Name	3-Butenoic Acid, 3-Methyl-, Phenylmethyl Ester
CAS No.	37526-86-6
Molecular Formula	C12H14O2
Molecular Weight	190.24 g/mol
Synonyms	Benzyl 3-Methyl-3-butenoate; 3-Methyl-3-butenoic Acid Benzyl Ester; Benzyl 3-Methylbut-3-enoate; 3-Methylbut-3-enoic Acid Phenylmethyl Ester; (3-Methylbut-3-enoyloxy)methylbenzene; Phenylmethyl 3-Methyl-3-butenoate
EINECS	Contact for details

Quality Control

Our production of 3-Butenoic Acid, 3-Methyl-, Phenylmethyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Every lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.500 - 1.510
Density (20°C)	1.020 - 1.050 g/mL

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