Description

2,3-Dihydrothieno[3,4-B][1,4]Dioxin-5-Ylmethanol is a high-value heterocyclic organic compound featuring a fused thiophene-dioxane structure with a hydroxymethyl functional group. This unique molecular architecture makes it a critical advanced intermediate for synthesizing complex functional materials. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel active ingredients and conductive polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and cardiovascular therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation herbicides and fungicides with enhanced efficacy.
• Conductive Polymer Precursor: Serves as a fundamental monomer or dopant in the production of PEDOT (poly(3,4-ethylenedioxythiophene)) analogs and other organic electronic materials.
• Material Science Research: Employed in creating organic semiconductors, electrochromic devices, and sensors due to its electron-rich heterocyclic core.
• Chemical Synthesis: Versatile synthon for constructing complex fused-ring systems and functionalized heterocycles in academic and industrial research.

Basic Information

Product Name	2,3-Dihydrothieno[3,4-B][1,4]Dioxin-5-Ylmethanol
CAS No.	859851-01-7
Molecular Formula	C8H8O3S
Molecular Weight	184.21 g/mol
Synonyms	5-(Hydroxymethyl)-2,3-dihydrothieno[3,4-b][1,4]dioxine; 2,3-Dihydrothieno[3,4-b]-1,4-dioxin-5-methanol; Thieno[3,4-b]-1,4-dioxin-5-methanol, 2,3-dihydro-; EDOT-MeOH; Hydroxymethyl-EDOT; H-EDOT; 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-methanol
EINECS	Contact for details

Quality Control

Our 2,3-Dihydrothieno[3,4-B][1,4]Dioxin-5-Ylmethanol is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing purity, identity, and impurity profiles. Our quality protocols are designed to meet the stringent requirements of cGMP and ISO standards for advanced pharmaceutical intermediates.

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). The compound is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere for long-term storage to prevent oxidation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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