Description

3-Thiocyanato-2,3-Dihydrothiophene 1,1-Dioxide is a specialized sulfur-containing heterocyclic compound with the CAS number 73909-05-4. This chemical serves as a valuable synthetic intermediate and building block in advanced organic synthesis, particularly for introducing functionalized thiophene scaffolds. It is primarily needed by research and development laboratories, fine chemical manufacturers, and pharmaceutical companies engaged in the development of novel materials and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting neurological or metabolic disorders.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with unique modes of action.
• Material Science: Serves as a precursor for functional polymers, conductive materials, and organic semiconductors.
• Chemical Synthesis: Acts as a versatile reagent for constructing complex sulfur heterocycles and for cycloaddition reactions.
• Academic & Industrial R&D: Employed in methodological studies and discovery chemistry for exploring new reaction pathways.

Basic Information

Product Name	3-Thiocyanato-2,3-Dihydrothiophene 1,1-Dioxide
CAS No.	73909-05-4
Molecular Formula	C5H5NO2S3
Molecular Weight	207.29 g/mol
Synonyms	3-Thiocyanatodihydrothiophene 1,1-Dioxide; 2,3-Dihydro-3-thiocyanatothiophene 1,1-Dioxide; 3-Isothiocyanato-2,3-dihydrothiophene 1,1-Dioxide; Thiocyanic Acid 2,3-Dihydro-1,1-Dioxothien-3-yl Ester; 3-Thiocyanato-2,5-dihydrothiophene 1,1-Dioxide; Dihydrothiophene Sulfone Thiocyanate Derivative
EINECS	Contact for details

Quality Control

Our production of 3-Thiocyanato-2,3-Dihydrothiophene 1,1-Dioxide adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. Each lot undergoes rigorous analytical testing, including chromatographic purity analysis and structural confirmation. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider maintaining the material under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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.