METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2689-68-1 |
| Product name | METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Serves as a key intermediate in the synthesis of antibiotics (e.g., carbapenems) | Condensation and cyclization reactions in chemical synthesis |
| Pharmaceuticals | Used as the side chain in the production of atypical β-lactam antibiotics (e.g., ertapenem) | Enzymatic or chemical acylation reactions |
| Fine Chemicals | Serves as a building block for synthesizing other complex heterocyclic compounds | Further functionalization or participation as a reactant in molecular scaffold construction |
Manufacturing Quality Control of METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 210-230 nm. |
| Related Substances | HPLC-UV | Separation and detection of structurally related impurities using gradient HPLC with UV monitoring; identification and quantification relative to main peak. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., methanol, THF, ethyl acetate) based on calibrated response factors. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction with water. |
| Heavy Metals | ICP-OES | Multi-element determination of Pb, Cd, Hg, As, and other heavy metals after acid digestion, using inductively coupled plasma optical emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column with suppressed conductivity detection. |
| Sulfate Impurity | Ion Chromatography | Separation and quantification of sulfate ions using anion-exchange column with suppressed conductivity detection. |
| Acid Value | Acid-Base Titration | Titration with standardized NaOH solution using phenolphthalein indicator to determine free carboxylic acid content. |
| Optical Rotation | [alpha]D Measurement | Measurement of specific rotation using sodium D-line light source to assess enantiomeric purity and identity. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, indicating purity and identity. |
| Residue on Ignition | Gravimetric Analysis | Weighing residue remaining after high-temperature ashing to determine inorganic non-volatile impurities. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of the substance against defined standards under controlled lighting conditions. |
Technical Specifications of METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow powder |
| Purity | >=98.0% (GC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 65–69°C |
| Identification (NMR) | Consistent with structure |
| Odor | Characteristic, mild |
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 METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE
Safety Information of METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of METHYL 4-OXOTETRAHYDROTHIOPHENE-3-CARBOXYLATE
Industrial METHYL 4-OXOTETRAHYDROTHIOPHENE-3-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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