Nalpha-FMOC-L-Asparagine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 71989-16-7 |
| Product name | Nalpha-FMOC-L-Asparagine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent GradeCosmetic 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 Nalpha-FMOC-L-Asparagine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Nalpha-FMOC-L-Asparagine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Nalpha-FMOC-L-Asparagine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Amino acid monomer for protecting groups in peptide drug synthesis | Used as an Fmoc-protected amino acid building block in solid-phase or solution-phase synthesis |
| Biotechnology | Intermediate for protein engineering and modification | Stepwise coupling on automated peptide synthesizers via Fmoc chemistry |
| Research Reagents | Raw material for custom peptide synthesis or studies of amino acid protection strategies in laboratories | Participates in chain elongation following deprotection (e.g., piperidine treatment) in manual or automated synthesis |
| Cosmetics | Raw material for high-end skincare peptides (e.g., anti-wrinkle peptides) | Condensed sequentially with other Fmoc-amino acids to form functional peptide segments |
Manufacturing Quality Control of Nalpha-FMOC-L-Asparagine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies Fmoc-L-asparagine by reverse-phase HPLC with UV detection at 268 nm, comparing peak area to a certified reference standard. |
| Enantiomeric Purity | Chiral HPLC | Resolves D- and L-enantiomers using a chiral stationary phase; L-isomer content is calculated from peak area ratio. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration using iodine-based reagent in anhydrous methanol medium. |
| Residual Solvents | GC-FID | Detects and quantifies residual solvents (e.g., DMF, dichloromethane) by gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Determines total heavy metal content (Pb, Cd, Hg, As, Ni) after acid digestion by atomic emission spectroscopy. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Measures inorganic residue after combustion with sulfuric acid treatment and high-temperature ashing. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled white light against established reference standards. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range of solid-to-liquid transition using calibrated capillary apparatus per USP <741>. |
| Loss on Drying | Thermogravimetric Analysis | Measures mass loss upon heating under controlled conditions (e.g., 105 C, 2 h) to determine volatile content. |
| Related Substances | HPLC-UV | Identifies and quantifies structurally related impurities (e.g., Fmoc-Asp-OH, dipeptides) using gradient RP-HPLC. |
| pH of Solution | Potentiometric pH Measurement | Measures pH of a defined aqueous solution (e.g., 1% w/v) using calibrated pH electrode per EP 2.2.3. |
Technical Specifications of Nalpha-FMOC-L-Asparagine
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | -14.0 to -11.0 deg (c=1, in DMF) |
| Melting Point | 138 to 142 °C |
| Identification (NMR) | Consistent with structure |
| 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 Nalpha-FMOC-L-Asparagine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Nalpha-FMOC-L-Asparagine
Packaging of Nalpha-FMOC-L-Asparagine
Industrial Nalpha-FMOC-L-Asparagine 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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