Fmoc-L-aspartic acid 4-benzyl ester Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 86060-84-6 |
| Product name | Fmoc-L-aspartic acid 4-benzyl ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 Fmoc-L-aspartic acid 4-benzyl ester
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Fmoc-L-aspartic acid 4-benzyl ester Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Fmoc-L-aspartic acid 4-benzyl ester
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate | Used in the synthesis of peptide drugs as a side-chain protecting group for amino acids |
| Chemicals | Synthetic materials | Serves as a key intermediate in organic synthesis, participating in esterification reactions |
| Biotechnology | Peptide synthesis | Applied as an aspartic acid protecting group in solid-phase peptide synthesis |
Manufacturing Quality Control of Fmoc-L-aspartic acid 4-benzyl ester
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 260-280 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and detection of impurities using gradient HPLC-UV; identification and quantification based on relative retention times and response factors. |
| Residual Solvents | GC-FID | Detection and quantification of residual solvents (e.g., DMF, DCM, toluene) by gas chromatography with flame ionization detection using headspace sampling. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to determine trace water content based on stoichiometric reaction with water. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry for ultra-trace sensitivity. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column with conductivity detection after aqueous extraction. |
| Residual Palladium | ICP-OES | Quantification of palladium residue from coupling catalysts via microwave-assisted acid digestion followed by inductively coupled plasma optical emission spectrometry. |
| Optical Rotation | Polarimetry | Measurement of specific optical rotation using sodium D-line light to confirm chiral integrity and enantiomeric purity. |
| Particle Size Distribution | Laser Diffraction | Dry or wet dispersion followed by laser diffraction analysis to determine volumetric particle size distribution. |
| Melting Point | Capillary Melting Point Apparatus | Determination of melting range using calibrated capillary apparatus, indicating crystallinity and absence of significant eutectic impurities. |
| Loss on Drying | Gravimetric Analysis | Weight loss measurement after drying under controlled temperature and vacuum, reflecting volatile content and residual solvents. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic microorganisms and detection of specified pathogens (e.g., E. coli, S. aureus) by membrane filtration and culture-based enumeration. |
Technical Specifications of Fmoc-L-aspartic acid 4-benzyl ester
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (by LC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | -22.0 to -18.0 deg (c=1, in DMF) |
| Melting Point | 112 to 116 °C |
| Heavy Metals | <=20 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 Fmoc-L-aspartic acid 4-benzyl ester
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Fmoc-L-aspartic acid 4-benzyl ester
Safety Information of Fmoc-L-aspartic acid 4-benzyl ester
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Fmoc-L-aspartic acid 4-benzyl ester
Industrial Fmoc-L-aspartic acid 4-benzyl ester 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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