N-Cbz-D-Tryptophan Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 2279-15-4 |
| Product name | N-Cbz-D-Tryptophan |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood GradeCosmetic 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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for N-Cbz-D-Tryptophan
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Cbz-D-Tryptophan 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-Tryptophan
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in drug synthesis | Used to prepare various peptide-based drugs by coupling N-Cbz-D-tryptophan with other amino acids via solid-phase or solution-phase synthesis to form the target peptide chain. |
| Biochemistry | Protein structure and function studies | Employed in laboratories to synthesize specific-sequence peptides or protein fragments for investigating their biological activity or as reference standards. |
| Cosmetics | Antioxidant | Leveraged for its antioxidant properties as a supporting ingredient in select premium skincare formulations to help protect skin from free radical damage. |
| Food additives | Nutritional supplement | Incorporated into functional foods as a non-essential amino acid derivative to enhance nutritional value or impart specific flavor profiles. |
Manufacturing Quality Control of N-Cbz-D-Tryptophan
| 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 280 nm. |
| Chiral Purity | Chiral HPLC | Separation of D- and L-enantiomers on a chiral stationary phase; enantiomeric excess calculated from peak area ratio. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent; water reacts stoichiometrically with iodine, enabling precise quantification. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify common organic solvents (e.g., methanol, ethyl acetate, toluene). |
| Heavy Metals | ICP-MS | Multi-element detection via inductively coupled plasma mass spectrometry after acid digestion; provides ppt-level sensitivity for toxic metals. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Sample incineration at 500-600 C followed by sulfuric acid treatment and final weighing of non-volatile residue. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of solid sample against defined standards under controlled lighting. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using calibrated capillary method per USP <741>. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light at 20 C using sodium D-line (589 nm); confirms chiral integrity and concentration. |
| Related Substances | HPLC-UV (Forced Degradation) | Detection and quantification of structurally related impurities using stability-indicating gradient HPLC method. |
| Microbial Contamination | Membrane Filtration | Quantitative recovery of viable aerobic microorganisms from dissolved sample followed by agar plate enumeration. |
Technical Specifications of N-Cbz-D-Tryptophan
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 230–235 °C |
| Optical Rotation | +8.0 to +13.0 ° (c=1, in 1M HCl) |
| Total Impurities | <=2.0% |
| 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
|
|
Download COA of N-Cbz-D-Tryptophan
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Cbz-D-Tryptophan
Packaging of N-Cbz-D-Tryptophan
Industrial N-Cbz-D-Tryptophan 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply