Description

3,4-Dihydro-2H-1-Benzothiopyran-8-Ol CAS NO 30073-50-8 is a specialized heterocyclic compound featuring a benzothiopyran core structure with a phenolic hydroxyl group. This unique molecular architecture makes it a valuable key intermediate and building block in advanced organic synthesis. It is primarily sought after by pharmaceutical R&D and fine chemical manufacturers for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) and cardiovascular diseases.
• Agrochemical Research: Serves as a core scaffold for developing new herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Material Science: Used in the research and development of advanced polymers, liquid crystals, and organic semiconductors due to its fused ring system.
• Organic Synthesis Building Block: Employed in complex multi-step syntheses to construct more elaborate heterocyclic systems and natural product analogs.
• Chemical Research & Development: Essential for academic and industrial labs exploring new chemical reactions and catalytic processes involving sulfur and oxygen heterocycles.

Basic Information

Product Name	3,4-Dihydro-2H-1-Benzothiopyran-8-Ol
CAS No.	30073-50-8
Molecular Formula	C9H10OS
Molecular Weight	166.24 g/mol
Synonyms	8-Hydroxy-3,4-dihydro-2H-1-benzothiopyran; 8-Hydroxy-2H-1-benzothiopyran-3(4H)-one (tautomer); 3,4-Dihydro-2H-1-benzothiopyran-8-ol; 1-Benzothiopyran-8-ol, 3,4-dihydro-2H-; 8-Hydroxychroman-4-thione (related structure); Thiocoumarin derivative; Benzothiopyranol
EINECS	Contact for details

Quality Control

We maintain a rigorous quality management system to ensure batch-to-batch consistency and high purity for our advanced intermediates. Our products undergo comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity and purity. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We can support development projects with custom purity grades and analytical method development upon request.

Storage

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

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.