Boc-L-aspartic acid 4-methyl ester Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 59768-74-0 |
| Product name | Boc-L-aspartic acid 4-methyl ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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 Boc-L-aspartic acid 4-methyl ester
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Boc-L-aspartic acid 4-methyl ester Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Boc-L-aspartic acid 4-methyl ester
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Protected amino acid monomers for peptide synthesis | Used in solid-phase or solution-phase peptide synthesis |
| Biochemistry | Intermediate for synthesizing aspartic acid derivatives | Applied in organic synthesis and functional group transformation reactions |
| Medicinal Chemistry | Building block for candidate drugs containing aspartic acid motifs | Employed in combinatorial chemistry and fragment coupling strategies |
Manufacturing Quality Control of Boc-L-aspartic acid 4-methyl ester
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 210 nm. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC with UV detection; identification based on retention time relative to reference standards. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., methanol, ethyl acetate, dichloromethane) against calibration standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction with water. |
| Optical Rotation | [alpha]D Measurement | Measurement of specific optical rotation using a polarimeter at 20 °C and sodium D-line (589 nm) to confirm chiral integrity. |
| Heavy Metals | ICP-MS | Quantification of elemental impurities (e.g., Pb, Cd, As, Hg) by inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride anion using suppressed conductivity detection after aqueous elution. |
| Residue on Ignition | Gravimetric Analysis | Determination of inorganic ash content by high-temperature incineration followed by weighing of residual residue. |
| pH of Solution | Potentiometric pH Measurement | Measurement of hydrogen ion activity in a 1% w/v aqueous solution using calibrated glass electrode pH meter. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range over which solid transitions to liquid, using calibrated capillary apparatus per USP <741>. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder particle size distribution by measuring angular variation in laser light scattering intensity. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic microorganisms and detection of specified pathogens (e.g., E. coli, S. aureus) following pharmacopeial filtration and culture methods. |
Technical Specifications of Boc-L-aspartic acid 4-methyl ester
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 128-132°C |
| Optical Rotation | -33.0 to -31.0 deg (c=1, in 1M HCl) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| 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 Boc-L-aspartic acid 4-methyl ester
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Boc-L-aspartic acid 4-methyl ester
Safety Information of Boc-L-aspartic acid 4-methyl ester
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Boc-L-aspartic acid 4-methyl ester
Industrial Boc-L-aspartic acid 4-methyl ester 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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