D(-)-Norvaline Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2013-12-9 |
| Product name | D(-)-Norvaline |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood 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 D(-)-Norvaline
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk D(-)-Norvaline Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of D(-)-Norvaline
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antibiotics and antiviral agents | Produced via chemical synthesis or microbial fermentation |
| Biochemistry | Synthesis of amino acid derivatives and peptide compounds | Prepared using organic synthesis routes or enzyme-catalyzed reactions |
| Food Additives | Nutritional fortifier or flavor enhancer | Manufactured through chemical synthesis or microbial fermentation |
Manufacturing Quality Control of D(-)-Norvaline
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantitative determination of D-norvaline content via titration with standardized NaOH using phenolphthalein indicator. |
| Optical Rotation | Polarimetry | Measures the angle of rotation of plane-polarized light caused by chiral D-norvaline in solution. |
| Specific Optical Rotation | Polarimetry | Calculates optical rotation normalized to concentration and path length to confirm enantiomeric identity and purity. |
| Loss on Drying | Gravimetric Analysis | Determines volatile content by measuring mass loss after drying at 105 C under controlled conditions. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities remaining after high-temperature ashing. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) | Quantifies total heavy metal content (e.g., Pb, Cd, Hg) by atomic absorption at characteristic wavelengths. |
| Chloride | Potentiometric Titration | Determines chloride ion concentration using silver nitrate titrant and silver/silver chloride electrode. |
| Sulfate | Turbidimetric Analysis | Measures sulfate as barium sulfate precipitate formed in acidic medium; quantified by light scattering. |
| Related Substances | HPLC with UV Detection | Separates and quantifies structurally related impurities using reversed-phase chromatography and UV absorbance at 200-220 nm. |
| Water Content | Karl Fischer Titration | Determines trace water via stoichiometric reaction between iodine, sulfur dioxide, and water in pyridine-methanol medium. |
| pH (1% aqueous solution) | pH Potentiometry | Measures hydrogen ion activity in a defined aqueous solution using calibrated pH electrode. |
| Microbial Limits | Membrane Filtration | Detects and enumerates aerobic microorganisms by filtration, membrane transfer to culture media, and colony counting. |
Technical Specifications of D(-)-Norvaline
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 265-269 °C |
| Optical Rotation | -24.0 to -26.0 deg (c=1, H2O) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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 D(-)-Norvaline
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NMR Spectra of D(-)-Norvaline
Packaging of D(-)-Norvaline
Industrial D(-)-Norvaline 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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