methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 22032-65-1 |
| Product name | methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate |
| 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 (2R)-2-amino-3-(1H-indol-3-yl)propanoate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of D-tryptophan | Prepared via esterification of tryptophan with methanol under acidic conditions |
| Biochemistry | Key raw material for peptide and protein synthesis research | Used as an amino acid derivative in solid-phase peptide synthesis |
| Food additives | Precursor for nutritional fortification agents | Produced via chemical synthesis or microbial fermentation |
Manufacturing Quality Control of methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (D-Tryptophan Methyl Ester Content) | HPLC with UV detection | Quantitative separation and detection using reversed-phase chromatography and UV absorbance at ~220 nm. |
| Enantiomeric Purity | Chiral HPLC | Separation of D- and L-enantiomers on a chiral stationary phase, followed by UV quantification. |
| Water Content | Karl Fischer titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in methanol-based solvent. |
| Residual Solvents (Methanol, Ethyl Acetate) | GC-FID | Gas chromatographic separation with flame ionization detection calibrated against standard solutions. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element quantification by inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Impurity | Ion Chromatography | Anion exchange separation with conductivity detection using standardized eluent. |
| Sulfated Ash | Gravimetric analysis | Combustion at 500-600 C followed by weighing of non-volatile inorganic residue. |
| Optical Rotation | [alpha]D measurement | Measurement of plane-polarized light rotation in solution using a digital polarimeter at 20 C and 589 nm. |
| Related Substances (Impurity Profile) | HPLC with gradient UV | Separation under gradient elution to detect and quantify structurally related impurities. |
| pH of Aqueous Solution | Potentiometric pH measurement | Determination using calibrated glass electrode in a defined aqueous suspension or solution. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate size distribution in dispersed powder sample. |
| Microbial Contamination | Membrane Filtration and Plate Count | Filtration followed by incubation on nutrient agar; colony enumeration per pharmacopeial method. |
Technical Specifications of methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 178°C - 182°C |
| Optical Rotation | +24.5° to +26.5° (c=1, in 6N HCl) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| 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 (2R)-2-amino-3-(1H-indol-3-yl)propanoate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Safety Information of methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate
Industrial methyl (2R)-2-amino-3-(1H-indol-3-yl)propanoate 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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