5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 101219-39-0 |
| Product name | 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Organic synthesis intermediate | Used in the synthesis of antiviral drugs or other active pharmaceutical ingredients |
| Agrochemical Industry | Intermediate for pesticides or insecticides | Used in the synthesis of pesticide molecules with specific biological activity |
| Materials Science | Synthesis of functional materials | Involved in the preparation of polymeric materials or organic semiconductor materials |
| Chemical Research | Organic compound for laboratory research | Used in studies of organic reaction mechanisms or exploratory synthesis of novel compounds |
Manufacturing Quality Control of 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component by UV absorption at specific wavelength using reverse-phase chromatography with external standard calibration. |
| Related Substances | HPLC-DAD | Detects and quantifies impurities by diode-array detection coupled with HPLC separation and peak area comparison. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents using gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration based on iodine-sulfur dioxide redox reaction in pyridine-methanol medium. |
| Heavy Metals | ICP-MS | Quantifies trace metal contaminants (e.g., Pb, Cd, Hg) by mass spectrometric detection of elemental ions after acid digestion. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride anions using suppressed conductivity detection after anion-exchange column separation. |
| Sulfated Ash | Gravimetric Analysis | Determines inorganic residue mass after high-temperature incineration and sulfuric acid treatment. |
| Optical Rotation | Polarimetry | Measures specific rotation of chiral compounds using plane-polarized light through a solution in specified solvent and path length. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity against defined standards under controlled lighting conditions. |
| pH of Aqueous Solution | pH Meter | Measures hydrogen ion activity in saturated aqueous suspension using calibrated glass electrode system. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of solid particles by analyzing angular variation in laser light scattering pattern. |
Technical Specifications of 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 128–132°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 ppm |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester
Industrial 5-Methyl-benzo[b]thiophene-2-carboxylic acid ethyl ester Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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