FMOC-D-ASP-OH Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 136083-57-3 |
| Product name | FMOC-D-ASP-OH |
| 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-D-ASP-OH
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk FMOC-D-ASP-OH Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of FMOC-D-ASP-OH
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of peptides and proteins | Used in solid-phase peptide synthesis as Fmoc-protected amino acids |
| Biotechnology | Enzyme inhibitor research | Applied in chemical modification and molecular design |
| Medical Diagnostics | Development of diagnostic reagents | Applied in peptide sequence synthesis |
| Chemical Industry | Production of intermediates | Employed as a step in organic synthesis reactions |
Manufacturing Quality Control of FMOC-D-ASP-OH
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (FMOC-D-Asp content) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 268 nm, comparing peak area against a certified reference standard. |
| Enantiomeric Purity | Chiral HPLC | Separation of D- and L-enantiomers on a chiral stationary phase, with UV detection to calculate D-isomer percentage. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water by electrochemical endpoint detection. |
| Residual Solvents | GC-FID | Gas chromatographic separation followed by flame ionization detection, quantifying common solvents (e.g., DMF, THF, dichloromethane) against calibration standards. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column with suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Incineration at 550-600 C followed by weighing of non-volatile inorganic residue. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates or discoloration under controlled white light. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid-to-liquid phase transition occurs, using calibrated capillary method. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral compound in solution at specified concentration and wavelength (e.g., 589 nm). |
| Related Substances | HPLC-UV | Detection and quantification of structurally related impurities (e.g., FMOC-Asp, D-Asp, di-FMOC-Asp) using gradient HPLC with UV detection. |
| pH of Solution | Potentiometric pH Measurement | Determination of hydrogen ion activity in a defined aqueous suspension or solution using calibrated glass electrode. |
Technical Specifications of FMOC-D-ASP-OH
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | -4.0 to -4.5 deg (c=1, in DMF) |
| Melting Point | 178 to 182 °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 FMOC-D-ASP-OH
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of FMOC-D-ASP-OH
Packaging of FMOC-D-ASP-OH
Industrial FMOC-D-ASP-OH 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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