China Factory Direct
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| CAS number | 35897-34-8 |
| Product name | N-BOC-L-Arginine hydrochloride |
| 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Used as a protected amino acid intermediate in peptide synthesis for preparing arginine-containing therapeutic peptides | Applied in solid-phase or liquid-phase peptide synthesis (SPPS/LPPS); BOC group deprotection under acidic conditions |
| Biochemical Research | Employed as an arginine residue mimic in enzymology assays and protein structure–function studies | Integrated into enzyme reaction system construction; post-expression purification and modification of site-directed mutant proteins |
| Chemical Reagents Manufacturing | Supplied as a high-purity L-arginine derivative raw material for custom synthesis by research and pharmaceutical companies | Chiral synthesis, column chromatography purification, crystallization and drying |
| Drug Delivery System Development | Incorporated into cell-penetrating peptides (CPPs) or targeting carriers to enhance transmembrane drug delivery | Peptide conjugation, nanoparticle surface functionalization, self-assembled drug-loading system preparation |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (BOC-L-Arginine HCl content) | Acid-base titration with NaOH | Quantifies active compound by neutralizing the hydrochloride salt with standardized base using potentiometric or indicator endpoint detection. |
| Water content | Karl Fischer titration | Measures water by stoichiometric reaction of iodine with sulfur dioxide in presence of water and a base in anhydrous methanol. |
| Residue on ignition | Gravimetric analysis (weight loss on heating) | Determines inorganic ash content by ignition at 700-800 C and weighing residual inorganic matter. |
| Heavy metals (Pb, Cd, Hg, As) | ICP-MS | Quantifies trace heavy metals by ionization in plasma and mass spectrometric detection with high sensitivity and multi-element capability. |
| Chloride impurity | Potentiometric titration with AgNO3 | Measures chloride ions via precipitation titration with silver nitrate using silver indicator electrode. |
| Related substances | HPLC with UV detection | Separates and quantifies structurally related impurities using reversed-phase chromatography and UV absorbance at 210 nm. |
| Optical rotation | Polarimetry | Determines enantiomeric purity by measuring the angle of rotation of plane-polarized light in solution. |
| pH (1% aqueous solution) | pH meter measurement | Measures hydrogen ion activity in a standardized aqueous solution using calibrated glass electrode system. |
| Appearance | Visual inspection | Assesses physical state, color, and clarity against established reference standards under controlled lighting. |
| Particle size distribution | Laser diffraction | Determines size distribution by analyzing angular scattering pattern of laser light passed through dispersed sample. |
| Microbial contamination | Membrane filtration followed by TSA incubation | Detects aerobic microorganisms by filtration, membrane transfer to tryptic soy agar, and colony enumeration after incubation. |
| Residual solvents (e.g., DCM, MeOH) | Headspace GC-FID | Quantifies volatile organic solvents by thermal equilibration in headspace vial followed by gas chromatographic separation and flame ionization detection. |
| Test Item | Specification |
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| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 195-200°C (decomposes) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Optical Rotation | +18.0° to +22.0° (c=1, 1M HCl) |
| Residue on Ignition | <=0.2% |
| Heavy Metals | <=10 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.