China Factory Direct
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| CAS number | 14091-08-8 |
| Product name | D-4-Chlorophenylalanine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeReagent GradeIndustrial GradeSpecialty Grade |
| Packaging | 25KG/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 | Synthesis of antidepressant drugs | Used as an intermediate in multistep organic synthesis, including amidation and condensation reactions |
| Pesticides | Pre-cursor for certain herbicides | Applied in coupling reactions with other compounds to generate final products |
| Fine Chemicals | Preparation of specific chiral catalysts or ligands | After chiral resolution, employed in key steps of asymmetric synthesis |
| Research | Research tool molecule | Studied under laboratory conditions to characterize its chemical behavior and assess potential applications |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies D-4-chlorophenylalanine concentration using reversed-phase HPLC with UV detection at 210-220 nm, based on peak area comparison against a certified reference standard. |
| Optical Rotation | [alpha]D | Measures specific optical rotation using a polarimeter at 20-25 C and sodium D-line (589 nm) to confirm stereochemical integrity and enantiomeric excess. |
| Loss on Drying (LOD) | Gravimetric (Oven Drying) | Determines volatile content by measuring mass loss after drying at 105 C for 2-3 hours under controlled atmospheric conditions. |
| Residual Solvents | GC-FID | Identifies and quantifies residual organic solvents (e.g., methanol, ethyl acetate, toluene) using gas chromatography with flame ionization detection and internal standard calibration. |
| Heavy Metals | ICP-OES | Quantifies total heavy metal impurities (Pb, Cd, As, Hg, Ni) by plasma excitation and elemental emission spectroscopy after acid digestion. |
| Chloride Content | Potentiometric Titration | Determines inorganic chloride ions via titration with silver nitrate using a silver indicator electrode and automatic endpoint detection. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities (e.g., L-isomer, deschloro analog, diketopiperazine) using gradient HPLC with UV detection and relative response factors. |
| Water Content | Karl Fischer Titration | Measures trace water content volumetrically or coulometrically using iodine-based redox titration in anhydrous methanol/pyridine medium. |
| pH of Aqueous Solution | pH Meter | Determines pH of a 1% w/v aqueous suspension using calibrated glass electrode pH meter at 25 C. |
| Particle Size Distribution | Laser Diffraction | Analyzes particle size distribution in dry powder form using Mie scattering theory and laser diffraction instrumentation. |
| Microbial Limits | Membrane Filtration | Evaluates total aerobic microbial count and absence of specified pathogens (E. coli, Salmonella, S. aureus) by membrane filtration followed by selective agar culture and colony enumeration. |
| Residue on Ignition | Gravimetric (Sulfated Ash) | Determines non-volatile inorganic residue after ignition at 700-750 C following sulfuric acid treatment and subsequent ashing. |
| Test Item | Specification |
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| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 178–182°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | +12.0 to +14.0° (c=1, in 1M HCl) |
| Heavy Metals | <=20 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.