Description

2-Butenoic Acid, 3-Hydroxy-2-Methyl-, Methyl Ester, (2E)- (9Ci) is a specialized methyl ester derivative of a hydroxylated butenoic acid, serving as a valuable chiral building block and intermediate in advanced organic synthesis. Its precise stereochemistry and functional group arrangement make it a critical precursor for synthesizing complex molecules with high optical purity. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in developing stereoselective drugs.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where specific stereochemistry impacts biological activity.
• Fine Chemical Production: Serves as a building block for fragrances, flavors, and other specialty chemicals requiring defined molecular architecture.
• Academic & Industrial Research: A valuable reagent in methodological development for asymmetric synthesis and catalysis studies.
• Material Science Precursor: Potential use in synthesizing monomers for specialized polymers with tailored properties.

Basic Information

Product Name	2-Butenoic Acid, 3-Hydroxy-2-Methyl-, Methyl Ester, (2E)- (9Ci)
CAS No.	687994-24-7
Molecular Formula	C6H10O3
Molecular Weight	130.14 g/mol
Synonyms	(2E)-3-Hydroxy-2-methyl-2-butenoic acid methyl ester; Methyl (2E)-3-hydroxy-2-methyl-2-butenoate; 3-Hydroxy-2-methyl-2-butenoic acid methyl ester, (E)-; Methyl 3-hydroxy-2-methylcrotonate; 2-Butenoic acid, 3-hydroxy-2-methyl-, methyl ester, (E)-
EINECS	Contact for details

Quality Control

Every batch of 2-Butenoic Acid, 3-Hydroxy-2-Methyl-, Methyl Ester, (2E)- (9Ci) is produced and tested under a strict quality management system to ensure consistency and purity for critical synthetic applications. Our products undergo rigorous quality testing, including chiral purity analysis, to ensure compliance with industry standards. Certificates of Analysis (COA) with detailed chromatographic data (HPLC/GC) are available upon request to support your regulatory and R&D documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled 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	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
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.