Description

3-Buten-2-One, 4-Amino-4-(Methylthio)-, (E)- (9Ci) is a specialized organic compound featuring a unique α,β-unsaturated ketone structure with an amino and methylthio substitution. This molecular architecture makes it a valuable versatile building block for synthesizing more complex molecules in advanced chemical research and development. It is primarily sought by pharmaceutical intermediates and agrochemical research sectors for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly those requiring specific chiral or functionalized ketone backbones.
• Agrochemical Synthesis: Serves as a precursor for developing new pesticides, herbicides, and plant growth regulators, leveraging its reactive enone and amino functionalities.
• Organic Synthesis Research: Used in academic and industrial R&D labs for studying Michael addition reactions, nucleophilic attacks on α,β-unsaturated systems, and heterocyclic compound formation.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and complex organic molecules where precise functional group manipulation is required.
• Ligand and Catalyst Development: Potential use in creating novel chelating ligands or organocatalysts due to the presence of nitrogen and sulfur donor atoms.

Basic Information

Item	Details
Product Name	3-Buten-2-One, 4-Amino-4-(Methylthio)-, (E)- (9Ci)
CAS No.	139177-82-5
Molecular Formula	C5H9NOS
Molecular Weight	131.20 g/mol
Synonyms	(E)-4-Amino-4-(methylthio)but-3-en-2-one; 4-Amino-4-(methylthio)-3-buten-2-one; 4-(Methylthio)-4-aminobut-3-en-2-one; 4-Amino-4-methylthiobut-3-en-2-one; (E)-4-Amino-4-(methylsulfanyl)but-3-en-2-one; 4-Amino-4-(methylthio)-3-buten-2-one, (E)-; 3-Buten-2-one, 4-amino-4-(methylthio)-, (E)-
EINECS	Contact for details

Quality Control

Our production of 3-Buten-2-One, 4-Amino-4-(Methylthio)-, (E)- (9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, IR and NMR for structural confirmation, and residual solvent analysis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the material under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residual Solvents (GC)	Meets ICH guidelines

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