N-Cbz-L-methionine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1152-62-1 |
| Product name | N-Cbz-L-methionine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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-Cbz-L-methionine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Cbz-L-methionine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-Cbz-L-methionine
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Raw material for synthesizing peptides and proteins | Solid-phase peptide synthesis (SPPS) or solution-phase peptide synthesis |
| Chemical Synthesis | Intermediate for chiral pharmaceuticals or amino acid derivatives | Asymmetric synthesis or protecting group introduction and removal reactions |
Manufacturing Quality Control of N-Cbz-L-methionine
| 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. |
| Chiral Purity | Chiral HPLC | Separation of L- and D-enantiomers on a chiral stationary phase; enantiomeric excess calculated from peak area ratio. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine, sulfur dioxide, and base in methanol-based reagent; water reacts stoichiometrically to generate endpoint current change. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection; solvents quantified using external calibration curves. |
| Heavy Metals | ICP-OES | Multi-element detection after acid digestion; metals quantified by atomic emission intensity at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Anion exchange separation followed by conductivity detection; chloride quantified relative to standard calibration. |
| Sulfate Impurity | Turbidimetric Assay | Reaction with barium chloride under acidic conditions to form BaSO4 precipitate; turbidity measured spectrophotometrically. |
| Residue on Ignition | Gravimetric Analysis | Sample ignited at 700-800 C to oxidize organic matter; inorganic residue weighed after cooling in desiccator. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light at 589 nm; specific rotation calculated from concentration and path length. |
| pH of Solution | Potentiometric pH Measurement | Hydrogen-ion activity determined using calibrated glass electrode and reference electrode in aqueous suspension. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate volume-based size distribution. |
| Microbial Contamination | Membrane Filtration | Sample filtration through sterile membrane, followed by incubation on appropriate agar media for aerobic microbial count. |
Technical Specifications of N-Cbz-L-methionine
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (by LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 68.0 to 72.0 °C |
| Optical Rotation | -27.0 to -25.0 ° (c=1, in acetic acid) |
| Total Impurities | <=2.0% |
| 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 N-Cbz-L-methionine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Cbz-L-methionine
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Industrial N-Cbz-L-methionine 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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