Methyl L-tryptophanate hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7524-52-9 |
| Product name | Methyl L-tryptophanate hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 Methyl L-tryptophanate hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Methyl L-tryptophanate hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Methyl L-tryptophanate hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used as a precursor in the synthesis of peptide-based drugs, sustained-release formulations, and chiral pharmaceuticals | Applied as a protected form of L-tryptophan in solid-phase or solution-phase peptide coupling reactions; target molecules are obtained after deprotection |
| Food Additives | Used as a nutritional fortificant and flavor enhancer (subject to regulatory approval in specific jurisdictions) | Directly incorporated into food processing, or employed as a stabilized alternative to L-tryptophan in fortified products such as infant formula |
| Biochemical Research | Used as a substrate for enzyme kinetics studies, a cell culture supplement, and a chiral probe | Dissolved in buffer to prepare standard solutions for activity assays of enzymes involved in tryptophan metabolism pathways (e.g., the kynurenine pathway), including tryptophan 2,3-dioxygenase |
Manufacturing Quality Control of Methyl L-tryptophanate hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 220 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and detection of structurally similar impurities using gradient HPLC-UV; identification and quantification against reference standards or threshold limits. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify volatile organic solvents (e.g., methanol, ethyl acetate) based on retention time and peak area calibration. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction with iodine and sulfur dioxide. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (e.g., Pb, Cd, As, Hg) after acid digestion, using plasma emission spectroscopy. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using a silver indicator electrode to detect endpoint based on change in potential due to AgCl precipitation. |
| Optical Rotation | [alpha]D Measurement | Measurement of specific rotation using a polarimeter at 20 C and sodium D-line (589 nm) to confirm chiral integrity and enantiomeric purity. |
| pH (1% aqueous solution) | pH Meter | Direct measurement of hydrogen ion activity in a standardized aqueous solution using calibrated pH electrode. |
| Loss on Drying | Gravimetric Method | Weight loss determination after drying under controlled temperature and vacuum or air flow, indicating volatile and moisture content. |
| Residue on Ignition | Gravimetric Method | Mass of inorganic residue remaining after high-temperature ashing (600–750 C), indicating non-volatile inorganic impurities. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic bacteria, yeasts, and molds by filtration, membrane transfer to selective agar media, and colony counting after incubation. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution in dry or suspended state using Mie scattering theory applied to laser diffraction patterns. |
Technical Specifications of Methyl L-tryptophanate hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 178-182°C |
| Optical Rotation | +18.0 to +21.0° (c=1, in 1M HCl) |
| Total Impurities | <=1.5% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
| 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 Methyl L-tryptophanate hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Methyl L-tryptophanate hydrochloride
Safety Information of Methyl L-tryptophanate hydrochloride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Methyl L-tryptophanate hydrochloride
Industrial Methyl L-tryptophanate 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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