Description

(2E)-4-Methoxy-2-Butenoic Acid CAS NO 63968-74-1 is a high-purity, unsaturated carboxylic acid derivative featuring a methoxy group at the terminal position. This compound serves as a versatile and valuable chemical building block for the synthesis of more complex molecules, particularly in the pharmaceutical and fine chemical sectors. It is primarily sought after by research and development chemists and process development teams for creating active pharmaceutical ingredients (APIs), agrochemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of various APIs, including potential antiviral and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Fine Chemical Building Block: Employed in organic synthesis for constructing complex molecules with specific stereochemistry for research and specialty applications.
• Ligand and Catalyst Development: Serves as a precursor for creating novel ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).
• Polymer Modification: Can be used to introduce functional methoxy and carboxylic acid groups into polymer chains for specialty materials.
• Flavor and Fragrance Industry: Potential intermediate for synthesizing specific ester compounds used in high-value aroma chemicals.

Basic Information

Product Name	(2E)-4-Methoxy-2-Butenoic Acid
CAS No.	63968-74-1
Molecular Formula	C5H8O3
Molecular Weight	116.12 g/mol
Synonyms	trans-4-Methoxy-2-butenoic Acid; (E)-4-Methoxybut-2-enoic Acid; 4-Methoxy-trans-2-butenoic Acid; 2-Butenoic acid, 4-methoxy-, (2E)-; (2E)-4-Methoxybut-2-enoic Acid; 4-Methoxycrotonic Acid; (E)-4-Methoxycrotonic Acid
EINECS	Contact for details

Quality Control

Our (2E)-4-Methoxy-2-Butenoic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for pharmaceutical and fine chemical synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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