Description

2-Butenoic Acid, 3-Hydroxy-, Methyl Ester, (2Z)- (9Ci) is a high-purity chemical intermediate with a defined stereochemistry. This compound matters for its role as a versatile building block in the synthesis of more complex molecules, particularly in the pharmaceutical and fine chemical sectors. Industries requiring chiral synthesis, such as active pharmaceutical ingredient (API) manufacturers and advanced material researchers, need this specific isomer to ensure product efficacy and regulatory compliance.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the synthesis of specific drug candidates and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used as a building block for creating complex organic molecules in research and development laboratories.
• Agrochemical Research: Employed in the development of advanced, targeted crop protection agents and herbicides.
• Flavor and Fragrance Industry: Serves as a precursor for certain aroma chemicals and specialty esters.
• Polymer Modification: Acts as a functional monomer or cross-linking agent in specialty polymer formulations.
• Academic & Industrial R&D: Utilized in methodological studies and as a standard in asymmetric synthesis and catalysis research.

Basic Information

Product Name	2-Butenoic Acid, 3-Hydroxy-, Methyl Ester, (2Z)- (9Ci)
CAS No.	4525-25-1
Molecular Formula	C5H8O3
Molecular Weight	116.12 g/mol
Synonyms	(Z)-3-Hydroxy-2-butenoic acid methyl ester; Methyl (Z)-3-hydroxy-2-butenoate; Methyl 3-hydroxycrotonate; 3-Hydroxycrotonic acid methyl ester; (2Z)-3-Hydroxybut-2-enoic acid methyl ester; 2-Butenoic acid, 3-hydroxy-, methyl ester, (Z)-; Methyl 3-hydroxybut-2-enoate
EINECS	Contact for details

Quality Control

Our production of 2-Butenoic Acid, 3-Hydroxy-, Methyl Ester, (2Z)- adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chiral purity verification, to ensure it meets the exacting standards required for synthetic applications. Certificates of Analysis (COA) detailing purity, isomer content, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container must be kept tightly sealed to prevent contamination and moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Isomeric Purity (Z-isomer)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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