N2-[(1,1-Dimethylethoxy)carbonyl]-N6-[(phenylmethoxy)carbonyl]-L-lysine Methyl Ester Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 73548-77-3 |
| Product name | N2-[(1,1-Dimethylethoxy)carbonyl]-N6-[(phenylmethoxy)carbonyl]-L-lysine Methyl Ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeIndustrial GradeSpecialty 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 73548-77-3
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 73548-77-3 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 73548-77-3
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Protecting agent for peptide synthesis | Used as a lysine derivative in liquid-phase or solid-phase synthesis to introduce side-chain protecting groups |
| Fine Chemicals | Peptide intermediate | Participates in peptide chain construction via condensation reactions with amino or carboxyl groups |
| Chemical Reagents | Raw material for organic synthesis | Applied in peptide synthesis research for constructing and modifying specific sequences |
Manufacturing Quality Control of 73548-77-3
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 210-220 nm, comparing peak area to a reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC with UV detection; identification based on retention time relative to reference standards. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection for quantitative analysis of volatile organic solvents per ICH Q3C guidelines. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content based on stoichiometric reaction. |
| Optical Rotation | [alpha]D Measurement | Measurement of specific optical rotation using a polarimeter at 20-25 C and sodium D-line (589 nm) to confirm chiral integrity. |
| Residual Chloride | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals | ICP-MS | Quantitative multi-element analysis of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry. |
| Residual Benzyl Alcohol | GC-FID | Targeted GC-FID analysis using internal standard calibration to quantify residual benzyl alcohol from synthesis. |
| Residual tert-Butanol | GC-FID | Quantitative GC-FID analysis for residual tert-butanol, validated per ICH Q2(R2) guidelines. |
| Particle Size Distribution | Laser Diffraction | Measurement of particle size distribution in suspension using laser light scattering principles and Mie theory. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determination of pH in a defined aqueous suspension or solution using calibrated glass electrode and pH meter. |
| Microbial Contamination | Membrane Filtration | Enumeration of aerobic microorganisms via filtration, membrane transfer to culture media, and colony counting after incubation. |
Technical Specifications of 73548-77-3
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 85-90°C |
| Optical Rotation | +12.0° to +14.0° (c=1, in 6N HCl) |
| Residue on Ignition | <=0.1% |
| 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
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Download COA of 73548-77-3
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 73548-77-3
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Industrial 73548-77-3 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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