Description

3-Penten-2-One, 4-Mercapto- (7Ci,8Ci,9Ci) is a specialized sulfur-containing ketone, also known as 4-Mercapto-3-penten-2-one, with the CAS registry number 4394-98-3. This compound serves as a valuable chemical building block and flavor/fragrance intermediate due to its unique thiol-ketone functionality. It is primarily sought after by flavor and fragrance houses, fine chemical manufacturers, and research institutions for the synthesis of complex aroma chemicals and other high-value derivatives.

Application

• Flavor and Fragrance Ingredient: Key intermediate for synthesizing sulfur-containing aroma compounds that impart meaty, roasted, or tropical fruit notes.
• Fine Chemical Synthesis: Versatile building block in organic synthesis for pharmaceuticals, agrochemicals, and advanced materials.
• Research & Development: Used in academic and industrial R&D for studying thiol-ketone chemistry and developing new synthetic methodologies.
• Food Technology: Potential application in creating process flavors and enhancing savory taste profiles.
• Specialty Chemicals: Intermediate for producing ligands, catalysts, and other functional chemicals.

Basic Information

Product Name	3-Penten-2-One, 4-Mercapto- (7Ci,8Ci,9Ci)
CAS No.	4394-98-3
Molecular Formula	C5H8OS
Molecular Weight	116.18 g/mol
Synonyms	4-Mercapto-3-penten-2-one; 4-Mercaptopent-3-en-2-one; 3-Penten-2-one, 4-mercapto-; 4-Sulfanylpent-3-en-2-one; Pent-3-ene-2-one, 4-mercapto-; 4-Mercapto-3-penten-2-on; 4-Mercapto-3-penten-2-one (major component)
EINECS	Contact for details

Quality Control

Our production of 3-Penten-2-One, 4-Mercapto- adheres to stringent quality protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment. We are committed to meeting the specific quality requirements of our global B2B partners.

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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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