Description

5-Bromo-3-Ethyl-2-Methyl-1-Benzothiophene is a high-purity, functionalized benzothiophene derivative serving as a critical building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors where precise molecular architecture is required. It is needed by research chemists and process development scientists working on novel active ingredients, functional materials, and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Material Science: Serves as a monomer or functional unit in the creation of organic semiconductors, conductive polymers, and advanced photoresists.
• Organic Synthesis: A versatile scaffold for constructing complex heterocyclic compounds via cross-coupling reactions (e.g., Suzuki, Stille) and other functional group transformations.
• Chemical Research & Development: Essential for academic and industrial R&D labs exploring new chemical entities and reaction pathways.

Basic Information

Product Name	5-Bromo-3-Ethyl-2-Methyl-1-Benzothiophene
CAS No.	501901-98-0
Molecular Formula	C11H11BrS
Molecular Weight	255.17 g/mol
Synonyms	5-Bromo-3-ethyl-2-methylbenzo[b]thiophene; 1-Benzothiophene, 5-bromo-3-ethyl-2-methyl-; 3-Ethyl-2-methyl-5-bromobenzothiophene; 5-Bromo-3-ethyl-2-methylbenzothiophene; 5-Bromo-3-ethyl-2-methyl-1-benzothiophene; 5-Bromo-3-ethyl-2-methylbenzo[b]thiophene
EINECS	Contact for details

Quality Control

Our 5-Bromo-3-Ethyl-2-Methyl-1-Benzothiophene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent lot-to-lot performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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