N-CARBOBENZOXY-DL-LEUCINE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3588-60-1 |
| Product name | N-CARBOBENZOXY-DL-LEUCINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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) |
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Documents We Provide for N-CARBOBENZOXY-DL-LEUCINE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-CARBOBENZOXY-DL-LEUCINE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-CARBOBENZOXY-DL-LEUCINE
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a synthetic intermediate in drug manufacturing | Reacted with specific amine compounds to generate target drug molecules |
| Biotechnology | Employed as a protecting group in peptide synthesis | Temporarily protects amino acid side chains during solid-phase or solution-phase peptide synthesis |
| Fine Chemicals | Serves as a key raw material in organic synthesis | Participates in various organic reactions, including esterification and amidation |
| Research | Utilized as a reference standard or reagent in laboratory studies | Applied in developing novel chemical synthesis methods or conducting biological activity assays |
Manufacturing Quality Control of N-CARBOBENZOXY-DL-LEUCINE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at 210 nm, comparing peak area to a certified reference standard. |
| Chiral Purity | Chiral HPLC | Separates D- and L-enantiomers on a chiral stationary phase and determines enantiomeric excess by peak area ratio. |
| Loss on Drying | Gravimetric (Oven Drying) | Measures mass loss after drying under controlled temperature and vacuum to determine volatile content including residual solvents and moisture. |
| Residual Solvents | GC-FID | Identifies and quantifies common organic solvents (e.g., methanol, ethyl acetate) using gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Determines total heavy metal content (e.g., Pb, Cd, Ni, Fe) by atomic emission spectroscopy after acid digestion. |
| Chloride Impurity | Potentiometric Titration | Titrates chloride ions with silver nitrate using a silver indicator electrode; endpoint detected by potential change. |
| Sulfated Ash | Gravimetric (Muffle Furnace) | Measures inorganic residue after combustion at 700-800 C following sulfuric acid treatment. |
| Specific Optical Rotation | Polarimetry | Measures rotation of plane-polarized light in solution to confirm chiral identity and approximate enantiomeric composition. |
| pH (1% aqueous suspension) | pH Meter | Determines acidity/basicity of a saturated aqueous suspension using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analyzes particle size distribution by measuring angular variation in laser light scattering intensity. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using capillary tube and controlled heating. |
| Microbial Limits | Membrane Filtration + Culture | Detects and enumerates aerobic microorganisms by filtration, membrane transfer to agar media, and colony counting after incubation. |
Technical Specifications of N-CARBOBENZOXY-DL-LEUCINE
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (by LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 78–82°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
| Optical Rotation | +/- 0.5° (c=1, in 1M HCl) |
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-CARBOBENZOXY-DL-LEUCINE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-CARBOBENZOXY-DL-LEUCINE
Packaging of N-CARBOBENZOXY-DL-LEUCINE
Industrial N-CARBOBENZOXY-DL-LEUCINE 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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