Description

2-Butenoic Acid, 2,4-Difluoro-3-Hydroxy-, Ethyl Ester is a specialized fluorinated building block of significant interest in advanced organic synthesis. This compound matters for its unique molecular architecture, which combines a reactive α,β-unsaturated ester with fluorine and hydroxyl substituents, enabling precise structural modifications. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and complex intermediates.

Application

• Pharmaceutical Intermediate: A key synthon for constructing fluorinated bioactive molecules, including potential APIs (Active Pharmaceutical Ingredients).
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides where fluorine atoms enhance metabolic stability and bioavailability.
• Advanced Material Synthesis: Serves as a precursor for fluorinated monomers or additives in specialty polymers and liquid crystals.
• Chemical Biology Probes: Utilized in the design of fluorinated probes and tags for studying biological mechanisms and interactions.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for custom synthesis projects requiring specific fluorination patterns.

Basic Information

Product Name	2-Butenoic Acid, 2,4-Difluoro-3-Hydroxy-, Ethyl Ester
CAS No.	698336-27-5
Molecular Formula	C7H8F2O3
Molecular Weight	178.13 g/mol
Synonyms	Ethyl 2,4-Difluoro-3-hydroxy-2-butenoate; 2-Butenoic acid, 2,4-difluoro-3-hydroxy-, ethyl ester; 3-Hydroxy-2,4-difluorobut-2-enoic acid ethyl ester; Ethyl 3-hydroxy-2,4-difluorobut-2-enoate; 2,4-Difluoro-3-hydroxybut-2-enoic acid ethyl ester; (Z/E)-Ethyl 2,4-difluoro-3-hydroxy-2-butenoate
EINECS	Contact for details

Quality Control

Our 2-Butenoic Acid, 2,4-Difluoro-3-Hydroxy-, Ethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our commitment to quality supports your R&D and scale-up processes with reliable, high-purity material.

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). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Isomeric Ratio (Z/E) (GC or HPLC)	Reported on COA
Water Content (KF)	≤ 0.5%

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