H-MET-OTBU HCL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 91183-71-0 |
| Product name | H-MET-OTBU HCL |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty Grade |
| Packaging | 25KG/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 H-MET-OTBU HCL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk H-MET-OTBU HCL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of H-MET-OTBU HCL
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Chiral synthetic intermediate for synthesizing methionine-containing drug molecules | Esterified from L-methionine and tert-butanol under acidic conditions, followed by hydrochloride salt formation and purification |
| Chemical Synthesis | Organic synthetic intermediate for constructing sulfur-containing amino acid derivatives | Methionine derivatives used as protecting groups to selectively incorporate methionine residues in peptide synthesis |
| Biochemical Research | Methionine analog for enzymology studies and metabolic pathway modeling | Stable, soluble methionine precursor for in vitro enzymatic reaction systems |
Manufacturing Quality Control of H-MET-OTBU HCL
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Related Substances | HPLC with UV detection | Separation and quantification of impurities using gradient elution and UV absorbance at specified wavelength. |
| Water Content | Karl Fischer titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in anhydrous methanol-based medium. |
| Residual Solvents | Gas Chromatography (GC) with FID | Separation and quantification of volatile organic solvents using capillary column and flame ionization detection. |
| Heavy Metals | ICP-MS | Multi-element detection of trace metals by ionization in plasma and mass spectrometric analysis. |
| Chloride Content | Potentiometric titration with silver nitrate | Titration based on formation of insoluble silver chloride, detected by silver electrode potential change. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral molecules in solution. |
| pH of Solution (1% w/v) | pH meter measurement | Direct potentiometric measurement of hydrogen ion activity in aqueous suspension. |
| Loss on Drying | Gravimetric analysis (thermogravimetry) | Mass loss determination after controlled heating under specified temperature and time conditions. |
| Residue on Ignition | Sulfated ash gravimetry | Weighing of non-volatile residue remaining after high-temperature incineration with sulfuric acid treatment. |
| Particle Size Distribution | Laser diffraction | Analysis of scattered laser light intensity to determine volume-based particle size distribution. |
| Microbial Contamination | Membrane filtration followed by plate count | Quantitative recovery and enumeration of viable aerobic microorganisms on nutrient agar media. |
Technical Specifications of H-MET-OTBU HCL
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | +9.5 to +10.5 deg (c=1, in 1M HCl) |
| Melting Point | 148 to 152 °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 H-MET-OTBU HCL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of H-MET-OTBU HCL
Packaging of H-MET-OTBU HCL
Industrial H-MET-OTBU HCL 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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