Description

2(3H)-Thiophenone, Dihydro-3-(Hydroxymethylene)-5,5-Dimethyl- (9Ci) is a specialized organic compound with the CAS number 444615-95-6, serving as a valuable synthetic intermediate. Its unique structure, featuring a hydroxymethylene group on a dihydrothiophenone core, makes it a versatile building block for constructing complex heterocyclic systems. This compound is primarily sought after by research institutions and fine chemical manufacturers engaged in the development of novel pharmaceuticals, agrochemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing functionalized thiophene or dihydrothiophene moieties.
• Agrochemical Synthesis: Used in research and development for creating novel herbicides, fungicides, and insecticides that leverage its reactive hydroxymethylene group.
• Material Science Research: Serves as a monomer or functionalization agent in the development of specialty polymers and organic electronic materials.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex molecular architectures via condensation, cyclization, and cross-coupling reactions.
• Ligand and Catalyst Development: Utilized as a starting material for synthesizing novel chelating ligands and organocatalysts.

Basic Information

Product Name	2(3H)-Thiophenone, Dihydro-3-(Hydroxymethylene)-5,5-Dimethyl- (9Ci)
CAS No.	444615-95-6
Molecular Formula	C7H10O2S
Molecular Weight	158.22 g/mol
Synonyms	5,5-Dimethyl-3-(hydroxymethylene)dihydro-2(3H)-thiophenone; 3-(Hydroxymethylene)-5,5-dimethyl-2(3H)-thiophenone; 5,5-Dimethyl-3-(hydroxymethylene)tetrahydro-2-thiophenone; Dihydro-3-(hydroxymethylene)-5,5-dimethyl-2(3H)-thiophenone; 5,5-Dimethyl-3-formylmethylidene-tetrahydro-thiophen-2-one
EINECS	Contact for details

Quality Control

Our production of 2(3H)-Thiophenone, Dihydro-3-(Hydroxymethylene)-5,5-Dimethyl- (9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all relevant specifications. We support cGMP-compliant manufacturing for advanced applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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