4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 147086-79-1 |
| Product name | 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty 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 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | As a pharmaceutical intermediate | Used in the synthesis of specific active pharmaceutical ingredients |
| Agrochemicals | Raw material for agrochemical synthesis | Applied in the preparation of insecticides or herbicides |
| Chemical manufacturing | Synthesis of specialty functional materials | Used in the production of polymer materials or additives |
Manufacturing Quality Control of 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV/DAD | Separation and detection of structurally related impurities using gradient HPLC with diode-array detection; identification and quantification based on relative response factors. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify specified residual solvents (e.g., methanol, acetone, ethyl acetate) per ICH Q3C guidelines. |
| Water Content | Karl Fischer Titration (Coulometric) | Electrochemical titration measuring water content via iodine generation and stoichiometric reaction with water in anhydrous medium. |
| Heavy Metals | ICP-MS | Quantitative multi-element analysis of toxic elements (e.g., Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry for sub-pptr sensitivity. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and conductivity detection of chloride ions in aqueous extract; quantified against chloride standard calibration curve. |
| Optical Rotation | [α]D Measurement | Determination of specific optical rotation using a polarimeter at 20 °C and sodium D-line (589 nm) to confirm chiral integrity and enantiomeric purity. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measurement of inorganic residue after controlled high-temperature ashing (700–800 °C), expressed as % w/w. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using Mie theory-based light scattering to determine D10, D50, D90 values. |
| Microbial Limits | Membrane Filtration + Culture | Enumeration of aerobic microorganisms and detection of specified pathogens (e.g., E. coli, S. aureus) per USP <61> and <62>. |
Technical Specifications of 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 142°C - 146°C |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 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 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)
Safety Information of 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S)
Industrial 4H-Thieno[2,3-b]thiopyran-4-one,5,6-dihydro-6-methyl-, (6S) 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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