N-Boc-S-Trityl-L-cysteine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 21947-98-8 |
| Product name | N-Boc-S-Trityl-L-cysteine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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-Boc-S-Trityl-L-cysteine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Boc-S-Trityl-L-cysteine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-Boc-S-Trityl-L-cysteine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a chiral synthetic intermediate in the construction of drug molecules | Participates in peptide synthesis after protection of amino acid side-chain functional groups |
| Medical Devices | Used in the preparation of bioactive peptides | Serves as a protected amino acid monomer in solid-phase or solution-phase synthesis |
| Research | Used as a model compound in chemical synthesis | Employed in mechanistic studies of organic reactions or evaluation of novel catalysts |
| Biotechnology | Supports modification and functionalization of recombinant proteins | Enables selective cleavage or conjugation through introduction of specific protecting groups |
Manufacturing Quality Control of N-Boc-S-Trityl-L-cysteine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-DAD | Separation and detection of impurities using gradient reversed-phase HPLC with diode array detection for spectral confirmation. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents using gas chromatography with flame ionization detection and internal standard calibration. |
| Water Content | Karl Fischer Titration | Coulometric or volumetric titration with iodine generated electrochemically or added reagent to quantify water based on stoichiometric reaction. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) using inductively coupled plasma mass spectrometry after acid digestion. |
| Residual Palladium | ICP-OES | Quantification of palladium catalyst residues via inductively coupled plasma optical emission spectrometry following microwave-assisted digestion. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light to confirm chiral integrity and enantiomeric purity. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, indicating crystallinity and absence of significant impurities. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample to determine volume-based particle size distribution using Mie scattering theory. |
| Loss on Drying | Gravimetric (Thermogravimetry) | Mass loss measured after heating under controlled temperature and vacuum or nitrogen purge to determine volatile content. |
| Residual Triphenylmethane | UV-Vis Spectrophotometry | Quantification of triphenylmethyl-related chromophores by absorbance measurement at characteristic wavelength (e.g., 270 nm) after extraction. |
| Microbial Contamination | Membrane Filtration + Culture | Enumeration of aerobic microorganisms using membrane filtration followed by incubation on soybean-casein digest agar under controlled conditions. |
Technical Specifications of N-Boc-S-Trityl-L-cysteine
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 148–152°C |
| Optical Rotation | +26.0 to +29.0° (c=1, in DMF) |
| 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-Boc-S-Trityl-L-cysteine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Boc-S-Trityl-L-cysteine
Packaging of N-Boc-S-Trityl-L-cysteine
Industrial N-Boc-S-Trityl-L-cysteine 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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