N-Carbobenzyloxy-L-aspartic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1152-61-0 |
| Product name | N-Carbobenzyloxy-L-aspartic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent 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 N-Carbobenzyloxy-L-aspartic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Carbobenzyloxy-L-aspartic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-Carbobenzyloxy-L-aspartic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of pharmaceutical intermediates | Prepared by reacting aspartic acid with Cbz-Cl |
| Research | Biochemical reagent | Used in research for peptide and protein synthesis |
Manufacturing Quality Control of N-Carbobenzyloxy-L-aspartic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantitative determination based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Chiral Purity | Chiral HPLC | Separation and quantification of enantiomers using a chiral stationary phase to confirm L-configuration dominance. |
| Water Content | Karl Fischer titration | Volumetric or coulometric titration measuring water via iodine-sulfur dioxide reaction in pyridine-methanol medium. |
| Residual Solvents | Gas Chromatography (GC-FID) | Separation and quantification of volatile organic solvents (e.g., ethyl acetate, methanol) using flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (Pb, Cd, Hg, As) after acid digestion by plasma emission spectroscopy. |
| Chloride Impurity | Ion Chromatography (IC) | Anion separation and quantification using suppressed conductivity detection with carbonate/bicarbonate eluent. |
| Sulfated Ash | Gravimetric analysis | Residue mass measurement after high-temperature incineration of sample in sulfuric acid medium. |
| Optical Rotation | Polarimetry | Measurement of specific rotation at 20 C using sodium D-line light to confirm chiral integrity and concentration. |
| pH of Aqueous Solution | Potentiometric pH measurement | Determination of hydrogen ion activity in a defined aqueous suspension using calibrated glass electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to derive volume-based particle size distribution in dispersed solid sample. |
| Microbial Limits | Membrane Filtration and Plate Count | Enumeration of aerobic microorganisms and absence testing for specified pathogens per pharmacopeial procedures. |
| Related Substances | HPLC with UV detection | Identification and quantification of structurally related impurities (e.g., N-CBZ-aspartic acid anhydride, deprotected species) using gradient elution. |
Technical Specifications of N-Carbobenzyloxy-L-aspartic acid
| Test Item | Specification |
|---|---|
| Appearance | White to almost white powder or crystals |
| Purity | >=98.5% (by LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 128.0 to 132.0 °C |
| Optical Rotation | +9.0 to +10.0° (c=1, in 1M HCl) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| 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 N-Carbobenzyloxy-L-aspartic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Carbobenzyloxy-L-aspartic acid
Safety Information of N-Carbobenzyloxy-L-aspartic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of N-Carbobenzyloxy-L-aspartic acid
Industrial N-Carbobenzyloxy-L-aspartic acid 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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