Description

-2-Buten-4-Olide CAS NO 137809-97-3 is a specialized organic compound belonging to the class of butenolides, characterized by its unsaturated lactone structure. This chemical serves as a valuable versatile intermediate and building block in advanced organic synthesis, enabling the creation of complex molecular architectures. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those with heterocyclic or lactone-based pharmacophores.
• Agrochemical Synthesis: Building block for developing new pesticides, herbicides, and plant growth regulators with enhanced efficacy.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, flavors, fragrances, and advanced polymer modifiers.
• Academic & Industrial Research: Essential reagent for methodological development in organic chemistry and material science research.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and enzyme inhibition.

Basic Information

Product Name	-2-Buten-4-Olide
CAS No.	137809-97-3
Molecular Formula	C₄H₄O₂
Molecular Weight	84.07 g/mol
Synonyms	2-Buten-4-olide; 2(5H)-Furanone, 5-methyl-; 5-Methyl-2(5H)-furanone; 3-Methyl-2-buten-4-olide; α-Methyl-β-butenolide; 2-Butenoic acid, 4-hydroxy-, γ-lactone; 4-Hydroxy-2-butenoic acid γ-lactone
EINECS	Contact for details

Quality Control

Our -2-Buten-4-Olide is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to ensure compliance with your research and development specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 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.