Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 46193-76-4 |
| Product name | Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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 Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Organic synthesis intermediate | Used to construct nitrogen-containing heterocyclic scaffolds and participate in multi-step syntheses of bioactive molecules |
| Materials Science | Functional material precursor | Serves as a building block for thiophene-pyrrole conjugated systems, applied in the preparation of conductive polymers or optoelectronic materials |
| Fine Chemicals | Synthesis of specialty chemicals | Acts as a key intermediate in coupling and cyclization reactions for the design and synthesis of customized molecular structures |
Manufacturing Quality Control of Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at characteristic wavelength, calibrated against reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV, relative to main peak area. |
| Residual Solvents | GC-FID | Identification and quantification of organic solvents by gas chromatography with flame ionization detection using internal standard. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration based on iodine-sulfur dioxide reaction with water in anhydrous methanol/pyridine medium. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion, using plasma optical emission spectroscopy. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after aqueous extraction. |
| Sulfate Content | Ion Chromatography | Separation and quantification of sulfate ions using suppressed conductivity detection after aqueous extraction. |
| Residue on Ignition | Gravimetric Analysis | Determination of inorganic ash content by high-temperature incineration followed by weighing of residual residue. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement using controlled heating rate and visual observation of solid-to-liquid phase change. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral molecules in solution at specified concentration and path length. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution based on angular variation of laser light scattering intensity. |
| Microbial Limits | Membrane Filtration and Plate Count | Enumeration of aerobic microorganisms and detection of specified pathogens using selective culture media after filtration. |
Technical Specifications of Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.5% (GC-MS) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 142–146 °C |
| Identification (NMR) | Consistent with structure |
| 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 Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate
Safety Information of Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate
Industrial Ethyl 4H-thieno[2,3-d]pyrrole-5-carboxylate 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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