Description

Ethanone, 1-[5-(Dimethylphosphinyl)-2-Thienyl]- is a specialized organophosphorus-thiophene hybrid compound, identified by CAS NO 2551115-78-5. This chemical is valued for its unique molecular architecture, which combines a phosphinyl group with a thienyl-acetyl moiety, making it a versatile intermediate for advanced synthesis. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical sectors for constructing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting the central nervous system or possessing specific enzyme inhibition properties.
• Agrochemical Research: Serves as a precursor for developing new-generation herbicides, insecticides, or fungicides with potentially improved efficacy and environmental profiles.
• Ligand Synthesis: Used in organometallic chemistry and catalysis research to create sophisticated phosphine-based ligands for transition metal complexes.
• Material Science Precursor: Employed in the development of advanced organic electronic materials, such as components for organic light-emitting diodes (OLEDs) or semiconductors.
• Chemical Biology Probe: Utilized in academic and industrial research to synthesize molecular probes for studying biological pathways and protein interactions.

Basic Information

Product Name	Ethanone, 1-[5-(Dimethylphosphinyl)-2-Thienyl]-
CAS No.	2551115-78-5
Molecular Formula	C8H11O2PS
Molecular Weight	202.21 g/mol
Synonyms	1-[5-(Dimethylphosphinyl)-2-thienyl]ethanone; 5-Acetyl-2-thienyldimethylphosphine oxide; Dimethyl(5-acetyl-2-thienyl)phosphine oxide; 5-Acetyl-2-thienylphosphonic acid dimethyl ester; Acetylthiophene phosphonate derivative; (5-Acetylthiophen-2-yl)dimethylphosphine oxide; Research Code Intermediate 2551115-78-5
EINECS	Contact for details

Quality Control

Every batch of Ethanone, 1-[5-(Dimethylphosphinyl)-2-Thienyl]- is produced and tested under strict quality management protocols. We ensure compliance with relevant industry standards for research-grade chemicals. Comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, is performed to verify identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, and custom purity grades or analytical packages can be discussed to meet specific project requirements.

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 the container sealed to minimize exposure to atmospheric moisture. Store away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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