N-Benzyloxycarbonyl-D-aspartic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 78663-07-7 |
| Product name | N-Benzyloxycarbonyl-D-aspartic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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-Benzyloxycarbonyl-D-aspartic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Benzyloxycarbonyl-D-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-Benzyloxycarbonyl-D-aspartic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Chiral drug intermediates | Used in the synthesis of peptide-based drugs containing D-aspartic acid; serves as a protected amino acid in solid-phase or solution-phase peptide synthesis |
| Biochemistry | Peptide synthesis reagent | Protects the α-amino group with a benzyloxycarbonyl (Z) protecting group to enable selective coupling reactions during peptide chain assembly |
| Organic synthesis | Asymmetric synthesis building block | Serves as a chiral building block in asymmetric synthesis of complex molecules, controlling stereochemical configuration |
Manufacturing Quality Control of N-Benzyloxycarbonyl-D-aspartic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by reversed-phase HPLC with UV detection at 210 nm, using external standard calibration. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV against reference standards or area normalization. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents (e.g., methanol, ethyl acetate) using gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water based on stoichiometric reaction. |
| 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-OES | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion, using inductively coupled plasma optical emission spectrometry. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect chloride ions based on AgCl precipitation. |
| Sulfated Ash | Gravimetric Analysis | Ignition of sample at 700–800 °C followed by sulfuric acid treatment and weighing of residual inorganic ash. |
| pH of Aqueous Solution | pH Meter | Measurement of pH in a defined aqueous suspension or solution using calibrated glass electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample via light scattering to determine volume-based particle size distribution. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic mesophilic microorganisms and absence testing for specified pathogens per pharmacopoeial methods. |
| Residual Palladium | ICP-MS | Ultra-trace quantification of palladium catalyst residues after microwave digestion using inductively coupled plasma mass spectrometry. |
Technical Specifications of N-Benzyloxycarbonyl-D-aspartic acid
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Optical Rotation | -10.0 to -8.0 (c=1, in 1M HCl) |
| Melting Point | 152 to 156 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
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-Benzyloxycarbonyl-D-aspartic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Benzyloxycarbonyl-D-aspartic acid
Safety Information of N-Benzyloxycarbonyl-D-aspartic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of N-Benzyloxycarbonyl-D-aspartic acid
Industrial N-Benzyloxycarbonyl-D-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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