Description

(2E)-5-Hydroxy-2-Pentenoic Acid Methyl Ester is a versatile chiral building block and intermediate in organic synthesis. This compound is valued for its bifunctional structure, featuring both a hydroxyl group and an α,β-unsaturated ester moiety, which enables a range of chemical transformations. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for the synthesis of complex molecules, including active pharmaceutical ingredients (APIs) and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of prostaglandins, lactones, and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides requiring specific stereochemistry.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and specialty polymers.
• Academic & Industrial Research: Employed in methodological development for asymmetric synthesis and catalysis studies.
• Material Science: Potential monomer or cross-linking agent in the development of novel polymeric materials.

Basic Information

Product Name	(2E)-5-Hydroxy-2-Pentenoic Acid Methyl Ester
CAS No.	62592-80-7
Molecular Formula	C6H10O3
Molecular Weight	130.14 g/mol
Synonyms	Methyl (2E)-5-Hydroxy-2-pentenoate; (E)-5-Hydroxy-2-pentenoic Acid Methyl Ester; Methyl 5-Hydroxy-2-pentenoate; 5-Hydroxy-2-pentenoic Acid Methyl Ester; (E)-Methyl 5-hydroxypent-2-enoate; trans-5-Hydroxy-2-pentenoic Acid Methyl Ester; 2-Pentenoic acid, 5-hydroxy-, methyl ester, (2E)-
EINECS	Contact for details

Quality Control

Our (2E)-5-Hydroxy-2-Pentenoic Acid Methyl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and stereochemical confirmation, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere for prolonged storage to maintain purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Isomeric Purity (GC/HPLC)	≥ 98.0% (E-isomer)
Water Content (KF)	≤ 0.5%

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