Description

Thiophene, 2,3-Dihydro-5-Methyl-4-(1-Methylethyl)-, 1-Oxide (9Ci) is a specialized heterocyclic sulfoxide compound, identified by CAS number 133966-46-8, that serves as a valuable synthetic intermediate and building block in advanced organic chemistry. Its unique structure, featuring a saturated thiophene ring and an isopropyl group, makes it a critical precursor for developing complex molecules with tailored properties. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors seeking to innovate in active ingredient synthesis.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Material Science Research: Serves as a monomer or functional additive in the development of advanced polymers and organic electronic materials.
• Chemical Research & Development: A versatile reagent for method development and exploring new reaction pathways in organic synthesis, including asymmetric oxidation studies.
• Ligand and Catalyst Preparation: Potential precursor for creating chiral ligands or organocatalysts used in stereoselective synthesis.
• Flavor & Fragrance Industry: May be utilized in the synthesis of complex sulfur-containing aroma chemicals.

Basic Information

Product Name	Thiophene, 2,3-Dihydro-5-Methyl-4-(1-Methylethyl)-, 1-Oxide (9Ci)
CAS No.	133966-46-8
Molecular Formula	C8H14OS
Molecular Weight	158.26 g/mol
Synonyms	5-Methyl-4-isopropyl-2,3-dihydrothiophene 1-oxide; 4-Isopropyl-5-methyl-2,3-dihydrothiophene 1-oxide; 2,3-Dihydro-5-methyl-4-(1-methylethyl)thiophene 1-oxide; 4-Isopropyl-5-methyl-2,3-dihydrothiophene S-oxide; Dihydrothiophene sulfoxide derivative; 133966-46-8; 5-Methyl-4-(propan-2-yl)-2,3-dihydrothiophene 1-oxide
EINECS	Contact for details

Quality Control

Our production of Thiophene, 2,3-Dihydro-5-Methyl-4-(1-Methylethyl)-, 1-Oxide (9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity for research and scale-up applications. Each lot is characterized using advanced analytical techniques including NMR, HPLC, and GC-MS to confirm identity and purity. Certificates of Analysis (COA) detailing all specifications are provided with every shipment, and we support compliance with relevant research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white 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.