S-tert-Butyl-L-cysteine hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2481-09-6 |
| Product name | S-tert-Butyl-L-cysteine hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeFood 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 S-tert-Butyl-L-cysteine hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk S-tert-Butyl-L-cysteine hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of S-tert-Butyl-L-cysteine hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthetic drug intermediate | Used in the synthesis of antiviral agents or antioxidants |
| Chemicals | Synthesis of organosulfur compounds | Acts as a sulfiding reagent in organic synthesis reactions |
| Food additives | Antioxidant | Applied in food products to prevent oxidative degradation |
| Materials science | Synthesis of functional materials | Used to prepare polymeric materials with specialized functionalities |
Manufacturing Quality Control of S-tert-Butyl-L-cysteine hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 205 nm, comparing peak area to a certified reference standard. |
| Optical Rotation | [alpha]D | Measurement of specific rotation using a polarimeter at 20 degrees C with sodium D-line (589 nm) light. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to quantify water via stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 degrees C and weighing inorganic residue after combustion of organic matter. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and other metals by plasma excitation and optical emission detection. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using a silver indicator electrode to detect endpoint based on AgCl precipitation. |
| Related Substances | HPLC-UV | Separation and detection of structurally similar impurities using gradient HPLC with UV detection. |
| pH (1% w/v solution) | pH Meter Measurement | Direct measurement of aqueous solution pH using calibrated glass electrode pH meter. |
| Loss on Drying | Thermogravimetric Analysis | Weight loss measured after drying at 105 degrees C for 2 hours under controlled atmospheric conditions. |
| Specific Optical Purity (Enantiomeric Excess) | Chiral HPLC | Separation on chiral stationary phase followed by UV detection to quantify R- vs S-enantiomer ratio. |
| Sulfate | Ion Chromatography | Anion exchange separation with conductivity detection for quantitative sulfate determination. |
| Microbial Limits | Membrane Filtration | Filtration of solution followed by incubation on appropriate agar media to enumerate aerobic microorganisms. |
Technical Specifications of S-tert-Butyl-L-cysteine hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | +5.0 to +6.5 deg (c=1, H2O) |
| Melting Point | 178 to 182 °C |
| Heavy Metals | <=20 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 S-tert-Butyl-L-cysteine hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of S-tert-Butyl-L-cysteine hydrochloride
Safety Information of S-tert-Butyl-L-cysteine hydrochloride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of S-tert-Butyl-L-cysteine hydrochloride
Industrial S-tert-Butyl-L-cysteine hydrochloride 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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