China Factory Direct
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| CAS number | 850429-62-8 |
| Product name | 2-TERT-BUTOXYCARBONYLAMINOTHIAZOLE-4-CARBOXYLIC ACID METHYL ESTER |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a synthetic intermediate in the preparation of bioactive compounds, such as antibiotics and antiviral agents | Reacted with various amines or other functional groups to construct the target molecular framework; deprotection steps may be required to remove the BOC group |
| Chemical Research | Employed as a building block in organic synthesis, particularly in the development of novel thiazole derivatives | Functionalized or extended via cross-coupling reactions—including Suzuki and Stille couplings—to introduce additional functional groups or expand the molecular scaffold |
| Materials Science | Evaluated for potential use in specialty materials—such as polymers—requiring specific optical or electronic properties | Integrated into polymer chains via copolymerization or grafting to modify material properties; also used in the preparation of functional nanoparticles |
| Biotechnology | Applied as a label or linker in protein engineering to improve efficiency of target protein expression and purification | Typically requires chemical modification prior to direct use in biological systems—for example, conversion of the methyl ester moiety to a more reactive form |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and detection of structurally related impurities using gradient reversed-phase HPLC with UV detection. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents based on retention time and flame ionization response relative to internal standards. |
| Water Content | Karl Fischer Titration | Coulometric or volumetric titration using iodine generated electrochemically or added reagent to react stoichiometrically with water. |
| Heavy Metals | ICP-MS | Multi-element detection and quantification of toxic metals (e.g., Pb, Cd, Hg, As) via inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Content | Ion Chromatography | Separation and conductivity detection of chloride anions using anion-exchange column and suppressed conductivity detection. |
| Residual Palladium | ICP-OES | Quantification of palladium catalyst residues by atomic emission spectroscopy after microwave-assisted acid digestion. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light to confirm chiral integrity and enantiomeric purity. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid-to-liquid phase transition occurs under controlled heating. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size based on angular variation in intensity of scattered laser light from a dispersed sample. |
| Microbial Limits | Membrane Filtration + Plate Count | Enumeration of aerobic microorganisms by filtration, membrane transfer to culture media, and colony formation under controlled incubation. |
| Residual BOC Reagent | GC-MS | Identification and quantification of di-tert-butyl dicarbonate and its degradation products using gas chromatography coupled with mass spectrometric detection. |
| 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 | 148°C to 152°C |
| Identification (NMR) | Conforms to reference standard |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.