Description

4-Penten-2-One, 3-[(Methylthio)Methylene]-, (Z)- (9Ci) is a specialized organic compound featuring a unique α,β-unsaturated ketone structure with a methylthio-methylene substituent, making it a valuable building block in advanced organic synthesis. Its precise stereochemistry and functional group arrangement are critical for synthesizing complex molecules with high selectivity and yield. This intermediate is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for constructing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of novel drug candidates, particularly in developing enzyme inhibitors and receptor modulators.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its reactive site for constructing heterocyclic cores.
• Material Science Research: Serves as a monomer or precursor in the development of specialty polymers and functional organic materials.
• Flavor & Fragrance Chemistry: Acts as a precursor for synthesizing complex sulfur-containing aroma compounds.
• Academic & Industrial R&D: Employed in methodological studies and as a model compound in organic chemistry research focused on Michael additions and cyclization reactions.

Basic Information

Product Name	4-Penten-2-One, 3-[(Methylthio)Methylene]-, (Z)- (9Ci)
CAS No.	171084-07-4
Molecular Formula	C7H10OS
Molecular Weight	142.22 g/mol
Synonyms	(Z)-3-[(Methylthio)methylene]pent-4-en-2-one; (Z)-3-(Methylthiomethylene)pent-4-en-2-one; 3-[(Methylthio)methylene]-4-penten-2-one, (Z)-; (Z)-4-Penten-2-one, 3-[(methylthio)methylene]-; 171084-07-4; (Z)-3-(Methylsulfanylmethylene)pent-4-en-2-one
EINECS	Contact for details

Quality Control

Every batch of 4-Penten-2-One, 3-[(Methylthio)Methylene]-, (Z)- (9Ci) is produced and tested under a strict quality management system to ensure batch-to-batch consistency and high purity for research and scale-up applications. Our products undergo rigorous quality testing, including chromatographic purity analysis and structural confirmation, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your regulatory and R&D documentation 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 (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider maintaining the material under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Area %)
Isomeric Purity (Z-isomer)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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