O-Phospho-L-serine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 407-41-0 |
| Product name | O-Phospho-L-serine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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) |
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Documents We Provide for O-Phospho-L-serine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk O-Phospho-L-serine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of O-Phospho-L-serine
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Raw material for synthesizing L-serine and other non-natural amino acids | Biocatalytic conversion |
| Pharmaceutical Industry | Development of neuroprotective agents and neuronal nutrient agents | Chemical or biosynthetic synthesis |
| Life Science Research | Study of phosphorylated proteins and cellular signaling pathways | Laboratory reagent preparation |
| Cosmetics Industry | Skin moisturizer and stratum corneum conditioning agent | Formulation incorporation |
Manufacturing Quality Control of O-Phospho-L-serine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (L-O-Phosphoserine Content) | HPLC with UV detection | Quantification based on retention time and peak area comparison against certified reference standard using reversed-phase C18 column and UV detection at 200-210 nm. |
| Related Substances | HPLC with UV detection | Separation and quantification of structurally related impurities (e.g., serine, phosphoethanolamine, hydrolysis products) using gradient elution and UV detection. |
| Optical Rotation | [a]D measurement | Determination of specific optical rotation using a polarimeter at 20-25 C with sodium D-line (589 nm) to confirm chiral integrity and enantiomeric purity. |
| Loss on Drying (LOD) | Gravimetric thermogravimetry | Mass loss measured after drying sample at 105 C for 2 hours under atmospheric pressure; reflects volatile content including residual solvents and water. |
| Residual Solvents | GC-FID | Qualitative and quantitative analysis of common organic solvents (e.g., methanol, ethanol, acetone) using capillary column separation and flame ionization detection. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of heavy metals (Pb, Cd, As, Hg, Ni) after acid digestion, based on atomic emission intensity at characteristic wavelengths. |
| Chloride (Cl-) | Potentiometric titration with AgNO3 | Titration with standardized silver nitrate solution using silver indicator electrode; endpoint detected by potential jump due to AgCl precipitation. |
| Sulfate (SO42-) | Barium chloride turbidimetry | Precipitation of sulfate as BaSO4 in acidic medium; quantification via measurement of turbidity at 420 nm. |
| pH (1% aqueous solution) | pH meter measurement | Electrochemical measurement of hydrogen ion activity in a 10 mg/mL aqueous solution at 20-25 C using calibrated glass electrode. |
| Microbial Contamination | Membrane filtration and plate count | Enumeration of aerobic mesophilic microorganisms after filtration, membrane transfer to soybean-casein digest agar, and incubation at 30-35 C for 3-5 days. |
| Water Content | Karl Fischer titration | Volumetric or coulometric determination of total water based on stoichiometric reaction between iodine, sulfur dioxide, water, and base in anhydrous methanol medium. |
| Residue on Ignition | Gravimetric ash analysis | Mass of non-volatile inorganic residue determined after incineration at 600-700 C; indicates inorganic impurities and counterions. |
Technical Specifications of O-Phospho-L-serine
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow powder or crystals |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | +14.0 to +16.0 deg (c=1, H2O) |
| Melting Point | 200 to 205 °C (decomposes) |
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 O-Phospho-L-serine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of O-Phospho-L-serine
Packaging of O-Phospho-L-serine
Industrial O-Phospho-L-serine 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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