

share
4-Methoxybenzo[B]Thiophene CAS NO 3781-90-6
Unit Price:
CAS No.:3781-90-6
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
4-Methoxybenzo[B]Thiophene is a versatile heterocyclic aromatic compound featuring a fused benzene and thiophene ring system substituted with a methoxy group. This specific molecular architecture makes it a valuable key intermediate and building block in advanced organic synthesis, particularly for the development of complex pharmaceuticals and functional materials. It is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries who require high-purity, reliable synthetic intermediates.
Application
- Pharmaceutical Intermediate: Serves as a core scaffold for the synthesis of novel drug candidates, particularly in therapeutic areas targeting central nervous system disorders and inflammation.
- Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
- Organic Light-Emitting Diode (OLED) Materials: Acts as a precursor or dopant in the creation of electron-transporting or emissive layers for display and lighting technologies.
- Ligand and Catalyst Development: Employed in organometallic chemistry to create specialized ligands for catalytic processes, including cross-coupling reactions.
- Dye and Pigment Manufacturing: Functions as a key intermediate in the synthesis of specialized dyes and organic pigments due to its chromophoric properties.
- Academic and Industrial R&D: A fundamental reagent for methodological studies in organic chemistry and for exploring new chemical spaces in material science.
Basic Information
| Product Name | 4-Methoxybenzo[B]Thiophene |
| CAS No. | 3781-90-6 |
| Molecular Formula | C9H8OS |
| Molecular Weight | 164.22 g/mol |
| Synonyms | 4-Methoxybenzo[b]thiophene; 4-Methoxy-1-benzothiophene; 4-Methoxybenzothiophene; 1-Benzothiophene, 4-methoxy-; 4-Methoxybenzo(b)thiophene; 4-Methoxy-1-benzothiophene; 4-Methoxybenzothiofene; 4-Methoxy-benzo[b]thiophen |
| EINECS | Contact for details |
Quality Control
Our 4-Methoxybenzo[B]Thiophene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and batch-to-batch consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality commitment supports compliance with cGMP and ISO 9001 standards for reliable integration into your critical R&D and production workflows.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a 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 product integrity.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Purity (HPLC) | ≥ 98.0% |
| 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.
Hot Related Products


3-Chloro-1,1':3',1''-Terphenyl CAS NO 98781-25-0


2-Aminoazulene CAS NO 50472-20-3


2,2'-Bipyridine CAS NO 366-18-7


1,2,3,4-Tetrahydroanthracene CAS NO 2141-42-6


Acenaphthalene CAS NO 208-96-8


Coronene CAS NO 191-07-1


4,4'-Trimethylenedipyridine CAS NO 17252-51-6


Cucurbit(7)Uril CAS NO 259886-50-5


9,9-Dimethylfluorene CAS NO 4569-45-3


Neocuproine CAS NO 484-11-7


2,2'-Biquinoline CAS NO 119-91-5


4,4'-(1,2-Diethylethylene)Bis(Anisole) CAS NO 130-78-9


2-Amino-9-Hydroxymethyl-3-Oxo-3H-Phenoxazine-1-Carboxylic Acid CAS NO 146-90-7


1,2,3,4-Tetrahydrodibenz[A,H]Anthracene CAS NO 153-39-9


2.3-Peri-Naphthylene-Pyrene CAS NO 188-89-6


Peropyrene CAS NO 188-96-5


Benzo[Pqr]Picene CAS NO 189-96-8


Ovalene CAS NO 190-26-1


Bisanthene (Phenanthreno[1,10,9,8-Opqra])Perylene CAS NO 190-39-6


Dibenz[Bc,Kl]Coronene CAS NO 190-55-6
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






