Description

Methanol, (Dihydro-1,1-Dioxido-2(3H)-Thienylidene)- (9Ci) is a specialized organosulfur compound featuring a sulfolene-derived structure integrated with a methanol moiety. This chemical is valued as a high-purity synthetic intermediate and building block in advanced organic synthesis and pharmaceutical research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those containing modified heterocyclic systems.
• Agrochemical Research: Used in the development and scale-up of new generation herbicides, fungicides, and plant growth regulators.
• Material Science: Acts as a monomer or functional modifier in the production of specialized polymers and advanced organic electronic materials.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex sulfone-containing molecules and exploring new chemical reactions.
• Ligand and Catalyst Development: Utilized in the preparation of novel chiral ligands or organocatalysts for asymmetric synthesis.

Basic Information

Item	Detail
Product Name	Methanol, (Dihydro-1,1-Dioxido-2(3H)-Thienylidene)- (9Ci)
CAS No.	444615-97-8
Molecular Formula	C5H8O3S
Molecular Weight	148.18 g/mol
Synonyms	(Dihydro-1,1-dioxido-2(3H)-thienylidene)methanol; 2(3H)-Thienylidene, dihydro-1,1-dioxide, methanol deriv.; 3-Hydroxymethyl-2,5-dihydrothiophene 1,1-dioxide; Methanol, (2,5-dihydro-1,1-dioxido-3-thienylidene)-; Sulfolene methanol derivative; 3-(Hydroxymethyl)-2,5-dihydrothiophene 1,1-dioxide
EINECS	Contact for details

Quality Control

Our Methanol, (Dihydro-1,1-Dioxido-2(3H)-Thienylidene)- (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (HPLC)	≥ 98.0%
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.