BOC-TYR-OBZL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 19391-35-6 |
| Product name | BOC-TYR-OBZL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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-TYR-OBZL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk BOC-TYR-OBZL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of BOC-TYR-OBZL
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Tyrosine protecting reagent in peptide synthesis | Used in solid-phase peptide synthesis (SPPS) to selectively protect the phenolic hydroxyl group on the tyrosine side chain, preventing side reactions; the Boc group is removed under acidic conditions (e.g., TFA), while the benzyloxy (Bn) group is cleaved via hydrogenolysis or strong acid treatment |
| Pharmaceutical R&D | Intermediate for synthesizing bioactive peptides containing tyrosine | Serves as a key chiral building block in the synthesis of structurally modified compounds, including α-melanocyte-stimulating hormone (α-MSH) analogs, antimicrobial peptides, and tumor-targeting peptides |
Manufacturing Quality Control of BOC-TYR-OBZL
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component by UV absorbance at specific wavelength using reverse-phase chromatography with calibrated standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally similar impurities via retention time comparison and peak area integration. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., DMF, toluene) by gas chromatographic separation and flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines trace water by coulometric or volumetric titration with iodine-based reagent reacting stoichiometrically with water. |
| Heavy Metals | ICP-OES | Quantifies metallic impurities (e.g., Pb, Cd, Ni) after acid digestion using atomic emission spectroscopy. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions based on anion exchange retention and conductivity detection. |
| Optical Rotation | [a]D Measurement | Measures specific rotation of plane-polarized light to confirm chiral integrity and enantiomeric purity. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating crystallinity and purity. |
| Residue on Ignition | Gravimetric Analysis | Weighs inorganic residue remaining after high-temperature ashing to assess inorganic impurity load. |
| Particle Size Distribution | Laser Diffraction | Analyzes size distribution of solid particles by measuring angular variation in laser light scattering. |
| pH of Solution (1% w/v) | pH Meter | Measures hydrogen ion activity in aqueous suspension to assess acidic/basic degradation products. |
| Microbial Contamination | Membrane Filtration | Detects viable aerobic microorganisms by filtration, membrane transfer to culture media, and colony enumeration. |
Technical Specifications of BOC-TYR-OBZL
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 142–146°C |
| Optical Rotation | -12.0 to -8.0° (c=1, in DMF) |
| 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 BOC-TYR-OBZL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of BOC-TYR-OBZL
Packaging of BOC-TYR-OBZL
Industrial BOC-TYR-OBZL 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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