TOS-ARG-OH Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1159-15-5 |
| Product name | TOS-ARG-OH |
| 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 TOS-ARG-OH
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk TOS-ARG-OH Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of TOS-ARG-OH
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Manufacturing | Protease inhibitor for studying the activity and mechanism of serine proteases such as trypsin and thrombin | Used as a specific substrate or competitive inhibitor in in vitro enzyme kinetic assays, commonly applied in spectrophotometric or fluorometric enzyme activity detection |
| Pharmaceutical Manufacturing | Pharmaceutical intermediate for synthesizing anticoagulants and protease-targeted therapeutics | Incorporated into solid-phase or liquid-phase peptide synthesis via amide bond formation and deprotection steps |
| Biochemical Research | Protein modification and crosslinking reagent for selective labeling of arginine residues | Reacts with target proteins under mild alkaline conditions to achieve site-specific modification, supporting mass spectrometry analysis or structure-function studies |
Manufacturing Quality Control of TOS-ARG-OH
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by comparison of peak area against a certified reference standard using reversed-phase chromatography and UV detection at 210-220 nm. |
| Related Substances | HPLC-UV | Separation and detection of structurally related impurities (e.g., L-arginine, tosyl chloride derivatives) using gradient HPLC with UV detection. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents (e.g., methanol, ethyl acetate, toluene) by gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric determination of water based on the stoichiometric reaction of iodine with sulfur dioxide in pyridine/methanol medium. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma optical emission spectrometry. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Sulfate Impurity | Ion Chromatography | Separation and conductivity detection of sulfate ions using anion-exchange column and suppressed conductivity detection. |
| Optical Rotation | [alpha]D Measurement | Determination of specific optical rotation using a polarimeter at 20-25 C and sodium D-line (589 nm) to confirm stereochemical integrity. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing the temperature range over which solid-to-liquid phase change occurs under controlled heating. |
| Loss on Drying | Gravimetric Analysis | Mass loss upon heating at 105 C for 2 hours, measured as percentage weight difference before and after drying. |
| Residue on Ignition | Gravimetric Analysis | Weight of non-volatile inorganic residue remaining after incineration at 600-700 C, expressed as percentage of original sample mass. |
| Microbial Contamination | Membrane Filtration | Quantitative enumeration of aerobic mesophilic microorganisms using membrane filtration followed by incubation on soybean-casein digest agar. |
Technical Specifications of TOS-ARG-OH
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 148-152°C |
| Optical Rotation | -16.0 to -14.0° (c=1, in 1M HCl) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| 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 TOS-ARG-OH
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of TOS-ARG-OH
Packaging of TOS-ARG-OH
Industrial TOS-ARG-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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