Description

3-Buten-2-One, 3-[(S)-Methylsulfinyl]- (9Ci) is a high-purity chiral sulfoxide building block of significant interest in advanced organic synthesis. This compound is valued for its role in facilitating stereoselective reactions, enabling the production of complex molecules with high enantiomeric purity. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of potential drug candidates, particularly in medicinal chemistry programs targeting specific biological pathways.
• Asymmetric Synthesis: Used as a chiral auxiliary or ligand precursor in catalytic asymmetric reactions to induce stereoselectivity.
• Agrochemical Research: Employed in the development of novel, enantiomerically pure pesticides and herbicides.
• Fine Chemical Production: Serves as a building block for specialty chemicals, flavors, and fragrances requiring specific stereochemistry.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry and material science research.

Basic Information

Product Name	3-Buten-2-One, 3-[(S)-Methylsulfinyl]- (9Ci)
CAS No.	212066-22-3
Molecular Formula	C5H8O2S
Molecular Weight	132.18 g/mol
Synonyms	(S)-3-(Methylsulfinyl)-3-buten-2-one; (S)-3-Methylsulfinylbut-3-en-2-one; 3-Buten-2-one, 3-[(S)-methylsulfinyl]-; (S)-3-(Methylsulfinyl)but-3-en-2-one; Chiral Methyl Vinyl Sulfoxide Ketone; (S)-3-(Methylsulfinyl)-3-butenone
EINECS	Contact for details

Quality Control

Our production of 3-Buten-2-One, 3-[(S)-Methylsulfinyl]- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high chiral purity. Each lot is characterized by advanced analytical techniques including chiral HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profile 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) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its sensitivity to light and oxidation, minimize exposure to air and light during handling.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 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.