China Factory Direct
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| CAS number | 50890-96-5 |
| Product name | (R)-2-(methoxycarbonylamino)-2-phenylacetic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used in the synthesis of pharmaceutical intermediates, particularly for antibiotics, antineoplastic agents, and cardiovascular drugs. | Produced via chemical synthesis or microbial fermentation and employed as a key intermediate in drug molecule construction. |
| Agriculture | Used as an intermediate in pesticides or veterinary drugs to manufacture high-efficacy, low-toxicity agrochemicals. | Produced via specific chemical synthesis routes and reacted with other compounds to yield final pesticide or veterinary drug products. |
| Food | Used as a food additive or nutritional fortifier to enhance amino acid content in food products. | Produced via fermentation or chemical synthesis, purified, and incorporated into food to improve its nutritional value. |
| Cosmetics | Used in functional cosmetics, such as anti-aging and skin-repair formulations. | Obtained via extraction or chemical synthesis, refined, and incorporated into cosmetic formulations as an active ingredient. |
| Research | Used in fundamental scientific research, including protein structure analysis and enzyme mechanism studies. | Prepared via laboratory-scale synthesis for biochemical assays and structural investigations. |
| Industrial Production | Used as an organic synthesis intermediate for the production of various fine chemicals. | Produced via multi-step chemical reaction processes and combined with other raw materials to generate target chemicals. |
| Test Item | Common Testing Methods | Method Overview |
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| Identification Test | Infrared Spectroscopy (IR) | Determine the infrared absorption spectrum of the sample and compare it with standard spectra to confirm the presence of characteristic functional groups in MOC-D-phenylglycine, such as amide, carboxylic acid, and aromatic rings. |
| Proton Nuclear Magnetic Resonance (¹H NMR) | Analyze the chemical shifts, integration areas, and coupling constants of hydrogen atoms using nuclear magnetic resonance to verify whether the molecular structure matches the expected structure of MOC-D-phenylglycine. | |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Use reverse-phase HPLC with a C18 column for separation, and a UV detector (typically at 210–260 nm) for detection. Quantify the main component using external or internal standard methods. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Use gradient or isocratic elution programs to separate and detect possible process impurities and degradation products (such as deprotected D-phenylglycine, oxidation by-products, etc.), calculating the impurity content using area normalization or correction factor methods. |
| Specific Rotation | Polarimetry | Prepare a solution of the sample at a specified concentration, measure the optical rotation at a defined temperature and wavelength (usually the sodium D-line at 589 nm), and calculate the specific rotation to confirm the D-configuration purity and optical activity. |
| Dry Loss | Thermogravimetric Analysis (TGA) or Constant Pressure Drying Method | Dry the sample at a specified temperature (e.g., 105°C) until constant weight is achieved, and determine the percentage mass loss due to water or other volatile components. |
| Residue on Ignition | Incineration Method | Ignite the sample at high temperature (typically 700–800°C) until constant weight is achieved, and determine the content of residual inorganic substances (ash) to evaluate the level of inorganic impurities. |
| Residual Solvents | Gas Chromatography (GC) | Use headspace or direct injection GC with an FID detector to detect residual organic solvents (such as dichloromethane, methanol, ethanol, etc.) according to ICH Q3C guidelines. |
| pH Value | pH Meter Measurement Method | Prepare a solution of the sample at a certain concentration (e.g., 1% w/v), and measure its acidity or alkalinity using a calibrated pH meter, reflecting the free carboxylic acid or acidic/alkaline nature of impurities. |
| Appearance | Visual Inspection Method | Observe the color, crystal form, and odor of the sample visually; it should be white to off-white crystalline powder with no unusual odor. |
| Test Item | Specification |
|---|---|
| Appearance | White to almost white powder or crystals |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 178–182°C |
| Optical Rotation | -178° to -175° (c=1, in 1M HCl) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.