Description

3-Methoxy-2-Butenoic Acid is a versatile organic acid ester derivative, valued for its role as a key synthetic intermediate and building block in advanced chemical synthesis. Its unique structure, featuring both a carboxylic acid and an enol ether moiety, makes it a valuable precursor for pharmaceuticals, agrochemicals, and specialty materials. This compound is essential for research and development chemists and production specialists in the fine chemical, pharmaceutical, and agrochemical industries seeking to introduce specific methoxy and unsaturated acid functionalities into target molecules.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring specific chiral centers or unsaturated acid derivatives.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where its reactive sites allow for structural diversification.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty organic compounds requiring the 3-methoxy-2-butenoate skeleton.
• Polymer & Material Science: Acts as a monomer or modifier in the synthesis of specialty polymers, coatings, and resins with tailored properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for Michael additions, condensation reactions, and as a starting material for heterocyclic chemistry.
• Chemical Research: Utilized in methodological development and as a standard or reference compound in analytical chemistry.

Basic Information

Product Name	3-Methoxy-2-Butenoic Acid
CAS No.	67107-76-0
Molecular Formula	C5H8O3
Molecular Weight	116.12 g/mol
Synonyms	3-Methoxybut-2-enoic Acid; 2-Butenoic Acid, 3-Methoxy-; β-Methoxycrotonic Acid; 3-Methoxycrotonic Acid; (E)-3-Methoxy-2-butenoic Acid; (Z)-3-Methoxy-2-butenoic Acid; Methoxybutenoic Acid
EINECS	Contact for details

Quality Control

Our 3-Methoxy-2-Butenoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures the material meets the stringent requirements for use as a pharmaceutical intermediate and in other high-value applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment and ensure compatibility with storage container materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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