H-D-TRP-OET HCL Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 61535-49-7 |
| Product name | H-D-TRP-OET HCL |
| 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 H-D-TRP-OET HCL
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk H-D-TRP-OET HCL Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of H-D-TRP-OET HCL
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Chiral tryptophan derivative intermediate for peptide-based drug synthesis | Used as an N-terminal protected tryptophan building block in solid-phase peptide synthesis (SPPS) to prepare peptide drug candidates with defined biological activity |
| Biochemical Research | Amino acid probe for fluorescence labeling and structure-function studies | After deprotonation of the HCl salt under mild basic conditions, coupled with fluorescent tags (e.g., FITC) to study protein–ligand interactions and conformational changes |
Manufacturing Quality Control of H-D-TRP-OET HCL
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 220 nm based on peak area comparison against reference standard. |
| Related Substances | HPLC-DAD | Separates and detects structurally related impurities using gradient HPLC with diode-array detection and spectral confirmation. |
| Residual Solvents | GC-FID | Determines volatile organic solvents (e.g., methanol, ethyl acetate) by gas chromatography with flame ionization detection using headspace sampling. |
| Water Content | Karl Fischer Titration | Measures trace water via coulometric or volumetric titration with iodine-based reagent reacting stoichiometrically with water. |
| Heavy Metals | ICP-MS | Quantifies toxic elements (Pb, Cd, Hg, As) by inductively coupled plasma mass spectrometry after acid digestion and dilution. |
| Chloride Content | Potentiometric Titration | Determines chloride ion concentration using silver nitrate titrant and silver/silver chloride indicator electrode. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing (700-800 C) and weighing. |
| Optical Rotation | Polarimetry | Measures specific rotation using sodium D-line light to confirm chiral integrity and enantiomeric purity. |
| pH (1% w/v aqueous solution) | pH Meter Measurement | Determines acidity/basicity of aqueous solution using calibrated pH electrode and temperature compensation. |
| Particle Size Distribution | Laser Diffraction | Analyzes dry powder particle size by measuring angular scattering pattern of laser beam passing through dispersed sample. |
| Microbial Limits | Membrane Filtration | Detects aerobic mesophilic microorganisms by filtration, membrane transfer to agar media, and colony enumeration after incubation. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled white light against established reference standards. |
Technical Specifications of H-D-TRP-OET HCL
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | +8.5 to +9.5 deg (c=1, in 1M HCl) |
| Melting Point | 220 to 225 °C (decomposes) |
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-D-TRP-OET HCL
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of H-D-TRP-OET HCL
Packaging of H-D-TRP-OET HCL
Industrial H-D-TRP-OET 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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