Description

3-Buten-2-One, 3-Methyl-4-(Methylthio)-, (E)- (9Ci) is a specialized sulfur-containing α,β-unsaturated ketone, a versatile intermediate prized for its unique chemical reactivity. Its molecular structure makes it a valuable building block for synthesizing complex molecules, particularly in the development of fine chemicals and active ingredients. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced material sectors seeking to introduce specific functional groups into their target molecules.

Application

• Pharmaceutical Intermediate: A key synthon for constructing heterocyclic compounds and complex molecular scaffolds with potential biological activity.
• Agrochemical Synthesis: Used in the research and production of novel pesticides, herbicides, and plant growth regulators.
• Flavor & Fragrance Chemistry: Serves as a precursor for synthesizing sulfur-containing aroma compounds and specialty flavor molecules.
• Material Science Research: Employed as a monomer or cross-linking agent in the development of polymers with specific optical or electronic properties.
• Organic Synthesis Reagent: Utilized in Michael addition reactions, cycloadditions, and other transformations to create carbon-sulfur and carbon-carbon bonds.

Basic Information

Product Name	3-Buten-2-One, 3-Methyl-4-(Methylthio)-, (E)- (9Ci)
CAS No.	128307-46-0
Molecular Formula	C7H12OS
Molecular Weight	144.23 g/mol
Synonyms	(E)-3-Methyl-4-(methylthio)-3-buten-2-one; (E)-3-Methyl-4-(methylsulfanyl)but-3-en-2-one; 4-(Methylthio)-3-methyl-3-buten-2-one; 3-Buten-2-one, 3-methyl-4-(methylthio)-, (E)-; trans-3-Methyl-4-(methylthio)-3-buten-2-one; 3-Methyl-4-(methylthio)but-3-en-2-one; 3-Methyl-4-(methylsulfanyl)but-3-en-2-one; 4-Methylthio-3-methyl-3-buten-2-one
EINECS	Contact for details

Quality Control

Our production of 3-Buten-2-One, 3-Methyl-4-(Methylthio)-, (E)- (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C to minimize degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5%
Specific Gravity	Contact for details
Refractive Index	Contact for details

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