N-alpha-t-Butyloxycarbonyl-N-epsilon-benzyloxycarbonyl-L-lysinol Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 82689-20-1 |
| Product name | N-alpha-t-Butyloxycarbonyl-N-epsilon-benzyloxycarbonyl-L-lysinol |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent Grade |
| Packaging | 25KG/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 82689-20-1
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 82689-20-1 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 82689-20-1
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | As a peptide synthesis intermediate for preparing active pharmaceutical ingredients (APIs) | Applied in solid-phase or solution-phase peptide synthesis |
| Biochemistry | For research on amino acid derivatives or protein structure modification | Applied in laboratory-scale organic synthesis |
| Research Reagents | As a protected amino acid reagent for constructing complex molecules | Applied in chemical modification and coupling reactions |
Manufacturing Quality Control of 82689-20-1
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 220 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and detection of structurally related impurities using gradient HPLC-UV; identification and quantification based on relative retention times and response factors. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., DMF, DCM, MeOH) against calibrated standards. |
| Water Content | Karl Fischer Titration | Coulometric or volumetric titration using iodine-based reagent to determine trace water content based on stoichiometric reaction with water. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light to confirm chiral integrity and enantiomeric purity. |
| Heavy Metals | ICP-OES | Simultaneous multi-element detection after acid digestion, quantifying metals (e.g., Pb, Cd, Ni, Fe) by atomic emission intensity. |
| Residual Palladium | ICP-MS | Ultra-trace quantification of palladium residues (from catalytic hydrogenation) using inductively coupled plasma mass spectrometry. |
| Chloride Content | Ion Chromatography | Separation and conductivity detection of chloride ions after aqueous extraction and filtration. |
| Loss on Drying | Gravimetric Analysis | Weight loss measured after drying under controlled temperature and vacuum, indicating volatile and moisture content. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion using laser scattering to determine D10, D50, D90 values. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic microorganisms and absence of specified pathogens (e.g., E. coli, S. aureus) per pharmacopeial methods. |
| pH of Solution | Potentiometric pH Measurement | pH determination of a defined aqueous suspension (e.g., 1% w/v) using calibrated glass electrode and pH meter. |
Technical Specifications of 82689-20-1
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 128-132°C |
| Optical Rotation | -9.0 to -7.5° (c=1, in 1M HCl) |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
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 82689-20-1
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 82689-20-1
Packaging of 82689-20-1
Industrial 82689-20-1 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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