L-4-Nitrophenylalanine methyl ester hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 17193-40-7 |
| Product name | L-4-Nitrophenylalanine methyl ester hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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 L-4-Nitrophenylalanine methyl ester hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-4-Nitrophenylalanine methyl ester hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-4-Nitrophenylalanine methyl ester hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Chiral drug synthesis intermediates (e.g., protease inhibitors) | Used in chemical asymmetric synthesis and esterification reactions |
| Biochemical Research | Enzyme substrate or inhibitor studies | Applied in laboratory-scale synthesis and purification |
| Organic Synthesis | Construction of chiral amino acid derivatives | Employed in catalytic hydrogenation or chiral resolution |
Manufacturing Quality Control of L-4-Nitrophenylalanine methyl ester hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Chiral Purity | Chiral HPLC | Enantiomeric excess determination using a chiral stationary phase with UV detection, resolving (S)- and (R)-enantiomers. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to quantify water based on stoichiometric reaction with iodine and sulfur dioxide. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., methanol, dichloromethane) using capillary GC with flame ionization detection. |
| Heavy Metals | ICP-MS | Multi-element trace metal quantification (e.g., Pb, Cd, Hg, Ni) after acid digestion, using inductively coupled plasma mass spectrometry. |
| Chloride Impurity | Ion Chromatography | Quantitative determination of chloride anion using suppressed conductivity detection after separation on an anion-exchange column. |
| Related Substances | HPLC-UV | Detection and quantification of structurally related impurities (e.g., hydrolysis products, diastereomers) via gradient reversed-phase HPLC. |
| Optical Rotation | [alpha]D Measurement | Determination of specific optical rotation using a polarimeter at 20 C and sodium D-line (589 nm) to confirm chiral integrity. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by controlled heating of a capillary sample; used for identity and purity screening. |
| pH (1% w/v aqueous solution) | pH Meter | Potentiometric measurement of hydrogen ion activity in a saturated aqueous suspension to assess salt hydrolysis behavior. |
| Loss on Drying | Gravimetric Thermogravimetry | Mass loss measurement after drying under controlled temperature and vacuum to determine volatile content including residual solvents and moisture. |
| Appearance | Visual Inspection | Subjective assessment of physical form (e.g., white to off-white crystalline powder) under controlled lighting against defined standards. |
Technical Specifications of L-4-Nitrophenylalanine methyl ester hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Optical Rotation | +7.0 to +10.0° (c=1, in 6N HCl) |
| Melting Point | 158 to 162°C |
| Water Content (KF) | <=0.5% |
| 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 L-4-Nitrophenylalanine methyl ester hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of L-4-Nitrophenylalanine methyl ester hydrochloride
Safety Information of L-4-Nitrophenylalanine methyl ester hydrochloride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of L-4-Nitrophenylalanine methyl ester hydrochloride
Industrial L-4-Nitrophenylalanine methyl ester 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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