Description

3-Buten-2-One, 4-Hydroxy-3-(Methylthio)-, (E)- (9Ci) is a specialized organic sulfur compound with a defined stereochemistry, identified by CAS number 91157-87-8. This chemical is valued for its role as a versatile intermediate and building block in advanced organic synthesis, offering a unique combination of functional groups. It is primarily sought after by research and development teams in the pharmaceutical, agrochemical, and fine chemical industries for creating novel molecules with targeted biological or material properties.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of potential active pharmaceutical ingredients (APIs), particularly those requiring sulfur-containing motifs.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its reactive ketone and thioether functionalities.
• Flavor & Fragrance Chemistry: Acts as a precursor for synthesizing complex sulfur-containing aroma compounds, contributing to savory or roasted notes.
• Material Science: Investigated as a monomer or cross-linking agent in the production of specialty polymers with specific optical or electronic properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for Michael additions, cyclization reactions, and other transformations to construct complex molecular architectures.

Basic Information

Product Name	3-Buten-2-One, 4-Hydroxy-3-(Methylthio)-, (E)- (9Ci)
CAS No.	91157-87-8
Molecular Formula	C6H10O2S
Molecular Weight	146.21 g/mol
Synonyms	(E)-4-Hydroxy-3-(methylthio)but-3-en-2-one; 4-Hydroxy-3-(methylthio)-3-buten-2-one, (E)-; trans-4-Hydroxy-3-(methylthio)-3-buten-2-one; 3-Buten-2-one, 4-hydroxy-3-(methylthio)-, (E)-; 91157-87-8; 4-Hydroxy-3-methylmercapto-3-buten-2-one
EINECS	Contact for details

Quality Control

Our production of 3-Buten-2-One, 4-Hydroxy-3-(Methylthio)-, (E)- (9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis for stereochemical integrity, and NMR/IR for structural confirmation. We provide detailed Certificates of Analysis (COA) with each shipment, ensuring full traceability and compliance with your research or production specifications.

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 oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0% (Typical 97-99%)
Isomeric Purity (E-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.