Description

Thiophene, 2,5-Dihydro-2-Methyl-4-(1-Methylethyl)-, 1,1-Dioxide (9Ci) is a high-purity, specialty sulfone derivative of a dihydrothiophene, valued for its unique chemical structure as a versatile building block in advanced organic synthesis. This compound is critical for research and development in fine chemical and pharmaceutical manufacturing, where it serves as a key intermediate for creating novel molecules with specific functional properties. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring complex heterocyclic sulfone cores.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, where the sulfone moiety can enhance biological activity.
• Material Science Research: Acts as a monomer or precursor in the development of specialty polymers and advanced organic electronic materials.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create novel ligands for catalytic systems.
• Fine Chemical Synthesis: A versatile intermediate for constructing complex molecules in custom synthesis and process chemistry projects.
• Academic & Industrial R&D: Used in exploratory chemistry for method development and the discovery of new chemical entities.

Basic Information

Product Name	Thiophene, 2,5-Dihydro-2-Methyl-4-(1-Methylethyl)-, 1,1-Dioxide (9Ci)
CAS No.	104664-76-8
Molecular Formula	C8H14O2S
Molecular Weight	174.26 g/mol
Synonyms	2-Methyl-4-isopropyl-2,5-dihydrothiophene 1,1-Dioxide; 4-Isopropyl-2-methyl-2,5-dihydrothiophene 1,1-Dioxide; 2,5-Dihydro-2-methyl-4-(1-methylethyl)thiophene 1,1-Dioxide; 2-Methyl-4-(propan-2-yl)-2,5-dihydrothiophene 1,1-Dioxide; Dihydrothiophene sulfone derivative; 2,5-Dihydro-2-methyl-4-isopropylthiophene-1,1-dioxide
EINECS	Contact for details

Quality Control

Our Thiophene, 2,5-Dihydro-2-Methyl-4-(1-Methylethyl)-, 1,1-Dioxide (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive 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, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.