BOC-ASP(OBZL)-ONP Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 26048-69-1 |
| Product name | BOC-ASP(OBZL)-ONP |
| 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-ASP(OBZL)-ONP
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk BOC-ASP(OBZL)-ONP Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of BOC-ASP(OBZL)-ONP
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Used as a protecting amino acid derivative in peptide synthesis to construct peptide chains containing aspartic acid residues | Applied as a Boc-protected aspartic acid activated ester in solid-phase or solution-phase peptide synthesis for amide bond formation |
| Biochemistry | Used for site-specific modification or fragment coupling in protein structure and function studies | Enables peptide ligation or introduction of specific functional groups via selective reaction of the amino and carboxyl groups |
| Organic Synthesis | Used as a chiral synthon or intermediate for constructing complex molecules | Leverages its activated ester functionality to condense with amines under mild conditions, yielding target amide products |
Manufacturing Quality Control of BOC-ASP(OBZL)-ONP
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of impurities relative to the main peak using gradient elution and UV detection. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents based on retention time and flame ionization response. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in anhydrous methanol-based reagent. |
| Heavy Metals | ICP-OES | Multi-element quantification of metallic impurities after acid digestion by optical emission spectroscopy. |
| Chloride Content | Ion Chromatography | Separation and conductivity-based detection of chloride ions in aqueous extract. |
| Residual Palladium | ICP-MS | Ultra-trace quantification of palladium catalyst residues using mass spectrometric detection after microwave digestion. |
| Optical Rotation | [alpha]D Measurement | Determination of specific rotation using sodium D-line light to confirm chiral integrity and enantiomeric purity. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observation by controlled heating of crystalline sample in capillary tube. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder particle size based on angular scattering pattern of laser beam. |
| Loss on Drying | Gravimetric Analysis | Mass loss measurement after controlled heating under vacuum or nitrogen to remove volatile components. |
| Residual TFA | GC-FID | Quantification of trifluoroacetic acid using headspace GC with FID detection and external calibration. |
Technical Specifications of BOC-ASP(OBZL)-ONP
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 128°C to 132°C |
| Optical Rotation | -15.0° to -19.0° (c=1, in DMF) |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 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 BOC-ASP(OBZL)-ONP
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of BOC-ASP(OBZL)-ONP
Industrial BOC-ASP(OBZL)-ONP 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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