Description

4-Oxoisocrotonic Acid is a versatile keto acid derivative with a reactive α,β-unsaturated carbonyl structure. This compound serves as a valuable chemical building block and intermediate for synthesizing more complex molecules in advanced research and industrial processes. It is primarily utilized by pharmaceutical and fine chemical manufacturers for the development of active ingredients and specialty compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used as a building block for creating complex organic molecules in research and specialty chemical production.
• Agrochemical Research: Employed in the development and study of novel crop protection agents and herbicides.
• Material Science: Investigated as a monomer or modifier in the creation of polymers with specific functional properties.
• Biochemical Research: Serves as a substrate or analog in enzymatic studies and metabolic pathway investigations.
• Academic & R&D: A valuable reagent for methodological development and synthetic organic chemistry research in laboratories.

Basic Information

Product Name	4-Oxoisocrotonic Acid
CAS No.	1575-59-3
Molecular Formula	C4H4O3
Molecular Weight	100.07 g/mol
Synonyms	3-Butynoic acid, 4-oxo-; 4-Oxo-3-butynoic acid; 2-Butynedioic acid, 4-hydroxy-; 4-Hydroxy-2-butynedioic acid; 4-Oxobut-2-ynoic acid; Acetylenedicarboxylic acid, 4-hydroxy-; 4-Oxoisocrotonate; 4-Oxo-2-butynoic acid
EINECS	216-393-5

Quality Control

Our 4-Oxoisocrotonic Acid is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for research and synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong bases, strong oxidizing agents, and strong reducing agents. Due to its reactive nature, it is recommended to handle and store this material under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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