China Factory Direct
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| CAS number | 3588-63-4 |
| Product name | N-CARBOBENZOXY-DL-VALINE |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Pharmaceutical intermediates | Used as a chiral building block in the synthesis of peptide-based drugs and active pharmaceutical ingredients (APIs) |
| Pharmaceuticals | Antibiotic synthesis | Applied in the asymmetric synthesis of β-lactam antibiotics as a chiral auxiliary |
| Chemical synthesis | Introduction of chiral protecting groups | Employed as an amino-protecting group (Cbz protecting group) to protect the amino group of amino acids in organic synthesis |
| Biochemistry | Peptide synthesis | Participates in chain elongation reactions as a protected valine derivative in solid-phase or solution-phase peptide synthesis |
| Pharmaceutical R&D | Enzyme inhibitor development | Integrated into the structural design and synthesis of specific enzyme inhibitors |
| Chemicals | Chiral catalyst preparation | Serves as a chiral source for the preparation of chiral catalysts or ligands |
| Pharmaceuticals | Anticancer drug research | Functions as a structural unit in the synthesis of anticancer candidate compounds |
| Analytical chemistry | Chiral analytical reference standard | Used as a chiral reference standard in chiral recognition experiments, including chromatographic and spectroscopic analyses |
| 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 210 nm. |
| Chiral Purity | Chiral HPLC | Separation of D- and L-enantiomers on a chiral stationary phase with UV detection to determine enantiomeric excess. |
| Loss on Drying | Gravimetric (Thermogravimetry) | Mass loss measured after drying at 105 C for 2 hours under atmospheric pressure. |
| Residue on Ignition | Gravimetric (Sulfated Ash) | Mass of inorganic residue remaining after controlled combustion at 700-800 C followed by sulfuric acid treatment. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of heavy metals after acid digestion, based on atomic emission intensities. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using an anion-exchange column and conductivity detection. |
| Sulfated Ash | Gravimetric | Mass of non-volatile residue after ignition with sulfuric acid, indicating inorganic impurities. |
| Related Substances | HPLC-UV | Detection and quantification of structurally related impurities using gradient reversed-phase HPLC with UV detection. |
| Water Content | Karl Fischer Titration | Volumetric determination of water based on the stoichiometric reaction between iodine, sulfur dioxide, and water in pyridine/methanol medium. |
| pH of Aqueous Solution | Potentiometric (pH Meter) | Measurement of hydrogen ion activity in a 1% w/v aqueous suspension using a calibrated glass electrode system. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, observed visually in a capillary tube under controlled heating. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral molecules in solution at specified concentration and path length. |
| Test Item | Specification |
|---|---|
| Appearance | White to almost white powder or crystals |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 120-124°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) |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.