BOC-D-ASN(TRT)-OH Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 210529-01-4 |
| Product name | BOC-D-ASN(TRT)-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 BOC-D-ASN(TRT)-OH
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk BOC-D-ASN(TRT)-OH Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of BOC-D-ASN(TRT)-OH
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate | Used in the synthesis of peptide-based drugs as a protected amino acid precursor |
| Chemical | Synthetic raw material | Applied as an amino-protecting group in organic synthesis reactions |
| Biotechnology | Peptide synthesis | Applied as a protected form of D-aspartic acid in solid-phase peptide synthesis |
Manufacturing Quality Control of BOC-D-ASN(TRT)-OH
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 210-220 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of structurally related impurities using gradient HPLC with UV detection; reported as area percent relative to main peak. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., DCM, DMF, THF) based on calibrated response factors. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content via stoichiometric electrochemical reaction. |
| Heavy Metals | ICP-MS | Inductively coupled plasma mass spectrometry for simultaneous quantification of elemental impurities (e.g., Pb, Cd, Ni, Pd) at sub-ppb levels. |
| Residual Palladium | ICP-OES | Optical emission spectroscopy after acid digestion to measure palladium residue from prior catalytic steps, using characteristic emission lines. |
| Optical Rotation | [alpha]D Measurement | Polarimetric measurement at 20-25 C using sodium D-line (589 nm) to confirm chiral integrity and enantiomeric purity. |
| Residual Triphenylmethanol | HPLC-UV | Specific HPLC method with UV detection to quantify triphenylmethanol, a common cleavage byproduct, using external standard calibration. |
| Residual Boc-Cl or Di-tert-butyl dicarbonate | GC-FID | Gas chromatographic detection of unreacted Boc-protecting reagents after derivatization or direct headspace analysis. |
| Particle Size Distribution | Laser Diffraction | Dry or wet dispersion followed by laser light scattering to determine D10, D50, D90 values per USP <429>. |
| Microbial Contamination | Membrane Filtration | Enumeration of aerobic microorganisms and absence testing for specified pathogens per USP <61> and <62>. |
| pH of Aqueous Suspension | Potentiometric pH Measurement | pH determination of a defined suspension in water or buffer using calibrated glass electrode, indicating acidic/basic degradation products. |
Technical Specifications of BOC-D-ASN(TRT)-OH
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Optical Rotation | +20.0 to +22.0 deg (c=1, DMF) |
| Melting Point | 178 to 182 °C |
| Identification (NMR) | Conforms to reference spectrum |
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 BOC-D-ASN(TRT)-OH
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of BOC-D-ASN(TRT)-OH
Packaging of BOC-D-ASN(TRT)-OH
Industrial BOC-D-ASN(TRT)-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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