Description

2-Butenoic Acid, 2-Cyano-3-Hydroxy- (9Ci) is a specialized cyano-hydroxy butenoic acid derivative, a key building block in advanced organic synthesis. Its unique molecular structure, featuring both cyano and hydroxyl functional groups on an unsaturated acid backbone, makes it a versatile intermediate for creating complex molecules. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to synthesize novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs), particularly for compounds requiring a cyanoacrylic acid scaffold.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators, leveraging its reactive sites for structural diversification.
• Organic Synthesis Building Block: A valuable reagent for constructing complex heterocycles and functionalized acrylic acid derivatives in academic and industrial research laboratories.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Chemical Biology Probe Development: Utilized in the design and synthesis of molecular probes and enzyme inhibitors for biochemical research.

Basic Information

Product Name	2-Butenoic Acid, 2-Cyano-3-Hydroxy- (9Ci)
CAS No.	331627-93-1
Molecular Formula	C5H5NO3
Molecular Weight	127.10 g/mol
Synonyms	2-Cyano-3-hydroxy-2-butenoic acid; 3-Hydroxy-2-cyano-2-butenoic acid; 2-Cyano-3-hydroxybut-2-enoic acid; Cyanoacetic acid, formylmethyl ester (tautomer); (Z)-2-Cyano-3-hydroxybut-2-enoic acid; 2-Butenoic acid, 2-cyano-3-hydroxy-; Keto form of cyanoacetic acid formylmethyl ester
EINECS	Contact for details

Quality Control

Every batch of 2-Butenoic Acid, 2-Cyano-3-Hydroxy- (9Ci) is manufactured and tested under a strict quality management system to ensure consistency and reliability for your critical applications. We provide comprehensive analytical data, including HPLC purity, identity confirmation by FT-IR and NMR, and impurity profiling. A Certificate of Analysis (COA) detailing all specifications and test results is supplied with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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