dimethyl (tert-butoxycarbonyl)-L-aspartate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 55747-84-7 |
| Product name | dimethyl (tert-butoxycarbonyl)-L-aspartate |
| 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 dimethyl (tert-butoxycarbonyl)-L-aspartate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk dimethyl (tert-butoxycarbonyl)-L-aspartate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of dimethyl (tert-butoxycarbonyl)-L-aspartate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals / Peptide Synthesis | Raw material for peptide synthesis; chiral reagent | Used as a derivative of L-aspartic acid to protect the α-amino and β-carboxyl groups in solid-phase peptide synthesis (SPPS), enabling peptide backbone construction |
| Organic Synthesis | Chemical building block; intermediate | Applied in asymmetric synthesis, enzyme inhibitor preparation, or synthesis of complex drug molecules by introducing the aspartic acid structural unit via nucleophilic substitution or condensation reactions |
| Fine Chemicals | Drug molecule modification | Employed in coupling reactions via its side-chain active ester group to synthesize specific chiral drugs or protected amino acid derivatives |
Manufacturing Quality Control of dimethyl (tert-butoxycarbonyl)-L-aspartate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 210 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and threshold limits per ICH Q3B. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents (e.g., methanol, dichloromethane) using gas chromatography with flame ionization detection against calibrated standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to quantify water via stoichiometric reaction with pyridine and methanol. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light (589 nm) in solution, indicating enantiomeric purity and identity. |
| Heavy Metals | ICP-OES | Simultaneous multi-element detection after acid digestion; quantification based on emission intensity at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column with conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Incineration at 700-800 C followed by weighing of residual inorganic ash after sulfuric acid treatment. |
| Residue on Ignition | Gravimetric Analysis | Mass loss measurement after high-temperature ignition to determine non-volatile inorganic impurities. |
| pH (1% w/v aqueous solution) | Potentiometric pH Measurement | Determination using calibrated glass electrode in aqueous suspension; reflects acidic/basic character from hydrolysis. |
| Melting Point | Capillary Melting Point Apparatus | Observation of temperature range over which solid transitions to liquid, confirming identity and purity. |
| Microbial Limits | Membrane Filtration / Plate Count | Enumeration of aerobic microorganisms using membrane filtration followed by incubation on soybean-casein digest agar. |
Technical Specifications of dimethyl (tert-butoxycarbonyl)-L-aspartate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 78-82°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Optical Rotation | -15.0° to -19.0° (c=1, in 1M HCl) |
| Residue on Ignition | <=0.1% |
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 dimethyl (tert-butoxycarbonyl)-L-aspartate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of dimethyl (tert-butoxycarbonyl)-L-aspartate
Safety Information of dimethyl (tert-butoxycarbonyl)-L-aspartate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of dimethyl (tert-butoxycarbonyl)-L-aspartate
Industrial dimethyl (tert-butoxycarbonyl)-L-aspartate 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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