Description

2-Butenoic Acid, 3-Hydroxy-2-Methyl-, Ethyl Ester, (Z)- (9Ci) is a specialized organic ester compound with a defined stereochemistry, valued for its role as a versatile chemical intermediate and building block in advanced synthesis. Its precise molecular structure makes it a critical component for researchers and manufacturers requiring high-purity, stereochemically defined materials. This product is essential for industries focused on pharmaceuticals, agrochemicals, and fine chemical production, where it serves as a precursor for active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring specific stereochemical configurations.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its ester functionality is leveraged.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty organic compounds.
• Polymer Chemistry: Acts as a monomer or co-monomer in the development of specialized polymers with tailored properties.
• Research & Development: Employed in academic and industrial R&D for method development and exploring new synthetic pathways.
• Chemical Synthesis: Utilized in various organic reactions, including esterifications, condensations, and as a Michael acceptor due to its α,β-unsaturated ester structure.

Basic Information

Product Name	2-Butenoic Acid, 3-Hydroxy-2-Methyl-, Ethyl Ester, (Z)- (9Ci)
CAS No.	132723-28-5
Molecular Formula	C7H12O3
Molecular Weight	144.17 g/mol
Synonyms	(Z)-Ethyl 3-Hydroxy-2-methyl-2-butenoate; Ethyl (Z)-3-Hydroxy-2-methylbut-2-enoate; (Z)-Ethyl 3-Hydroxy-2-methylcrotonate; cis-Ethyl 3-Hydroxy-2-methyl-2-butenoate; 2-Butenoic acid, 3-hydroxy-2-methyl-, ethyl ester, (Z)-; Ethyl 3-hydroxy-2-methyl-(Z)-2-butenoate; 3-Hydroxy-2-methyl-2-butenoic acid ethyl ester (Z-isomer)
EINECS	Contact for details

Quality Control

Our 2-Butenoic Acid, 3-Hydroxy-2-Methyl-, Ethyl Ester, (Z)- (9Ci) is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, stereochemical purity (Z-isomer content), and impurity profiles. We adhere to relevant industry standards and can support requirements for pharmaceutical (GMP) and research-grade applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. The product is sensitive to strong alkali and organic solvents; keep away from incompatible materials. Keep container tightly sealed when not in use to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Isomeric Purity (Z-isomer)	≥ 95.0%
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.