Ethyl L-tryptophanate hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 2899-28-7 |
| Product name | Ethyl L-tryptophanate hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeFood GradeCosmetic 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 Ethyl L-tryptophanate hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Ethyl 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 Ethyl L-tryptophanate hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a pharmaceutical intermediate in the synthesis of peptide-based drugs, antibiotics, and bioactive molecules | Employed as a chiral building block or protecting group in organic synthesis; the tryptophan moiety is introduced via condensation reactions |
| Food | Serves as a synthetic precursor for nutritional supplements or flavor enhancers | Prepared via esterification reactions for use in food additive or specialized dietary product manufacturing |
| Research | Used as a biochemical reagent in cell culture, enzymology studies, or protein modification | Applied in laboratory settings as a substrate or reference standard for enzyme-catalyzed reactions or analytical testing |
| Cosmetics | Potentially used to synthesize peptide-based active ingredients for skincare (e.g., antioxidant or anti-aging peptides) | Incorporated into functional molecules via solid-phase or liquid-phase peptide synthesis |
Manufacturing Quality Control of Ethyl L-tryptophanate hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (L-Tryptophan Ethyl Ester Hydrochloride) | HPLC with UV detection | Quantitative determination using reversed-phase HPLC and UV absorbance at 220 nm or 280 nm relative to a certified reference standard. |
| Chiral Purity | Chiral HPLC | Separation of L- and D-enantiomers on a chiral stationary phase; quantification based on peak area ratio. |
| Water Content | Karl Fischer titration | Volumetric or coulometric titration where iodine reacts stoichiometrically with water in a methanol-based solvent system. |
| Residual Solvents | Gas Chromatography (GC) with FID | Separation and quantification of volatile organic solvents (e.g., ethanol, ethyl acetate) using flame ionization detection. |
| Heavy Metals | ICP-MS or ICP-OES | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion and plasma excitation/emission or mass detection. |
| Chloride Content | Potentiometric titration with silver nitrate | Titration using AgNO3 solution; endpoint detected by silver electrode potential change due to AgCl precipitation. |
| pH (1% aqueous solution) | pH meter measurement | Electrochemical measurement of hydrogen ion activity in a standardized aqueous solution at 25 C. |
| Related Substances | HPLC with gradient elution | Separation and quantification of structurally related impurities (e.g., L-tryptophan, ethyl ester hydrolysis products) using UV detection. |
| Sulfated Ash | Gravimetric analysis | Ignition of sample at 500-600 C followed by weighing of inorganic residue after treatment with sulfuric acid. |
| Optical Rotation | [alpha]D measurement | Measurement of plane-polarized light rotation in solution using a digital polarimeter at specified concentration, temperature, and wavelength (589 nm). |
| Microbial Limits | Membrane filtration and colony counting | Enumeration of aerobic mesophilic microorganisms and detection of specified pathogens after membrane filtration and incubation on selective media. |
| Particle Size Distribution | Laser diffraction | Analysis of scattered laser light intensity as a function of angle to determine volume-based particle size distribution in dry or dispersed state. |
Technical Specifications of Ethyl L-tryptophanate hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 210-215°C |
| Optical Rotation | +10.0±1.0° (c=1, H2O) |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
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 Ethyl L-tryptophanate hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Ethyl L-tryptophanate hydrochloride
Safety Information of Ethyl L-tryptophanate hydrochloride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Ethyl L-tryptophanate hydrochloride
Industrial Ethyl 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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