N-Cbz-D-Leucine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 28862-79-5 |
| Product name | N-Cbz-D-Leucine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeCosmetic GradeFood Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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-Cbz-D-Leucine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Cbz-D-Leucine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-Cbz-D-Leucine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of peptide-based drug intermediates | Applied in solid-phase or solution-phase peptide synthesis |
| Biochemical research | Reagents for protein structure and function studies | Applied in chemical modification of amino acid residues |
| Pesticides | Preparation of bioactive molecule precursors | Applied in targeted organic synthesis |
| Cosmetics | Development of functional raw materials | Applied in asymmetric synthesis using chiral catalysts |
Manufacturing Quality Control of N-Cbz-D-Leucine
| 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. |
| Chiral Purity | Chiral HPLC | Enantiomeric excess determination using a chiral stationary phase and UV detection. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to quantify water based on stoichiometric reaction. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents using gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion and plasma excitation. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions in aqueous solution. |
| Sulfated Ash | Gravimetric Analysis | Ignition at 700-800 C followed by weighing of inorganic residue after sulfuric acid treatment. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light to confirm stereochemical integrity. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range over which solid transitions to liquid under controlled heating. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles under controlled lighting. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to determine size distribution of dry powder. |
| Microbial Contamination | Membrane Filtration | Enumeration of aerobic microorganisms following filtration, membrane transfer, and incubation on agar media. |
Technical Specifications of N-Cbz-D-Leucine
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (LC-MS) |
| Optical Rotation | +15.0 to +18.0 (c=1, in AcOH) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| 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 N-Cbz-D-Leucine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Cbz-D-Leucine
Packaging of N-Cbz-D-Leucine
Industrial N-Cbz-D-Leucine 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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