China Factory Direct
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| CAS number | 27821-45-0 |
| Product name | Uridine-5'-diphosphate disodium salt |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 |
|---|---|---|
| Biopharmaceuticals | Used as a nucleotide-based drug intermediate for synthesizing antiviral agents (e.g., nucleoside analogues) | Serves as a key precursor in enzymatic or chemical synthesis pathways for constructing nucleotide chains |
| Biotechnology | Employed in RNA synthesis and research as one substrate for RNA polymerase reactions | Applied as a raw material in in vitro transcription (IVT) systems for RNA synthesis |
| Enzymology Research | Used as a cofactor or substrate for enzyme activity assays, e.g., in studies of uridine kinase | Applied as a specific substrate in in vitro enzyme kinetic assays for reaction monitoring |
| Chemical Synthesis | Serves as a starting material for synthesizing other nucleoside derivatives | Processed via phosphorylation, alkylation, or substitution reactions to prepare functionalized nucleoside compounds |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (UDP-Na2 content) | HPLC-UV | Quantification by reversed-phase HPLC with UV detection at 262 nm, using external standard calibration. |
| Related Substances | HPLC-UV | Separation and quantification of impurities (e.g., UMP, UTP, uridine, sodium salts) using gradient HPLC-UV. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to determine trace water based on stoichiometric reaction. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C to combust organic matter; residue mass reflects inorganic ash content. |
| Sodium Content | Flame Photometry | Measurement of sodium-specific emission intensity in flame, proportional to concentration in solution. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element quantification after acid digestion, using plasma ionization and mass spectrometric detection. |
| pH (1% aqueous solution) | Potentiometric Titration | Measurement of hydrogen ion activity using calibrated pH electrode in aqueous solution. |
| Specific Optical Rotation | [alpha]D | Measurement of plane-polarized light rotation at 589 nm using sodium D-line, indicating chiral purity. |
| Microbial Contamination | Membrane Filtration | Filtration of solution followed by incubation on nutrient media to detect viable aerobic bacteria and fungi. |
| Endotoxin Level | LAL Assay | Quantitative detection via Limulus amebocyte lysate coagulation reaction triggered by endotoxin. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity vs. angle to determine volume-based particle size distribution. |
| Loss on Drying | Thermogravimetry | Mass loss measured after drying at 105 C under vacuum or nitrogen, reflecting volatile content. |
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Optical Rotation | -6.0 to -5.0 (c=1, H2O) |
| Residue on Ignition | <=0.2% |
| 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.