N,N'-Bis(benzyloxycarbonyl)-L-cystine Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 6968-11-2 |
| Product name | N,N'-Bis(benzyloxycarbonyl)-L-cystine |
| 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) |
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,N'-Bis(benzyloxycarbonyl)-L-cystine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N,N'-Bis(benzyloxycarbonyl)-L-cystine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N,N'-Bis(benzyloxycarbonyl)-L-cystine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of drug intermediates | Used to prepare thiol-containing active pharmaceutical ingredients |
| Pharmaceuticals | Peptide and protein synthesis | Acts as a protected amino acid in solid-phase or solution-phase synthesis |
| Chemicals | Organic synthesis intermediate | Introduces benzyloxycarbonyl-protected disulfide structural units |
| Life Sciences Research | Biochemical reagent | Applied in studies of disulfide bond formation and protein folding mechanisms |
Manufacturing Quality Control of N,N'-Bis(benzyloxycarbonyl)-L-cystine
| 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 254 nm. |
| Related Substances | HPLC-UV | Separation and detection of impurities using gradient HPLC with UV detection; identification and quantification relative to main peak. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents based on retention time and peak area. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction. |
| Heavy Metals | ICP-MS | Quantitative determination of trace metal elements (e.g., Pb, Cd, Hg, As) after acid digestion using inductively coupled plasma mass spectrometry. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Content | Ion Chromatography | Separation and quantification of sulfate ions using anion-exchange column and conductivity detection. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after high-temperature ashing at 700-800 C and subsequent weighing. |
| Optical Rotation | [alpha]D Measurement | Determination of specific optical rotation using a polarimeter at specified temperature and wavelength (e.g., 20 C, 589 nm). |
| Melting Point | Capillary Melting Point Apparatus | Thermal analysis to determine the temperature range over which the solid transitions to liquid, observed visually or automatically. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution by measuring angular variation in intensity of laser light scattered by dispersed particles. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic microorganisms and detection of specified pathogens using filtration, culture on selective media, and colony counting. |
Technical Specifications of N,N'-Bis(benzyloxycarbonyl)-L-cystine
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 210-215°C |
| Optical Rotation | -93.0 to -89.0° (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,N'-Bis(benzyloxycarbonyl)-L-cystine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N,N'-Bis(benzyloxycarbonyl)-L-cystine
Safety Information of N,N'-Bis(benzyloxycarbonyl)-L-cystine
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of N,N'-Bis(benzyloxycarbonyl)-L-cystine
Industrial N,N'-Bis(benzyloxycarbonyl)-L-cystine 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