Epalrestat Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 82159-09-9 |
| Product name | Epalrestat |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 Epalrestat
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Epalrestat Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Epalrestat
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Treatment of diabetic neuropathy | Synthesized into epalrestat, then formulated into oral tablets or capsules |
| Pharmaceuticals | As an aldose reductase inhibitor | High-purity epalrestat crystals produced via chemical synthesis |
| Research | Used as a research reagent | High-purity reference standard supplied for laboratory research |
| Pharmaceuticals | Potential use in treating other metabolic disorders | Development and optimization of epalrestat derivatives or combination formulations |
Manufacturing Quality Control of Epalrestat
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Identification | Infrared Spectroscopy (IR) | Compare the infrared spectrum of the sample with that of the reference substance under the same conditions to confirm the chemical structure. |
| High-Performance Liquid Chromatography (HPLC) | Compare retention times to verify the chromatographic behavior of the sample and reference substance, used for auxiliary identification. | |
| Content Determination | High-Performance Liquid Chromatography (HPLC) | Use reversed-phase HPLC with a UV detector (typically around 280 nm) to determine the content of the main component using external or internal standard methods. |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Separate impurities using gradient elution or isocratic elution, detect degradation products or by-products, and calculate the limits of each impurity and total impurities. |
| Residual Solvents | Gas Chromatography (GC) | Detect residual organic solvents used in the production process, such as methanol, ethanol, acetone, according to ICH guidelines. |
| Moisture | Karl Fischer Titration | Determine the moisture content of the sample using volumetric or coulometric methods, to control the stability of the formulation and the manufacturing process. |
| Polymorphic Analysis | X-ray Powder Diffraction (XRD) | Confirm whether the polymorphic form of the active pharmaceutical ingredient meets the requirements, preventing differences in solubility and stability caused by different polymorphs. |
| Particle Size Distribution | Laser Diffraction Method | Measure the particle size and distribution of the active pharmaceutical ingredient, which affects dissolution rate and bioavailability. |
| Dissolution | Dissolution Test Method (Paddle Method / Basket Method) | Used for dosage forms, simulating the release in vivo, evaluating the drug release performance, commonly using UV or HPLC to detect concentration. |
| Heavy Metals | Sulfide Colorimetry or ICP-MS | Check for heavy metal impurities such as lead, cadmium, and mercury to ensure compliance with pharmacopoeia limits. |
| Loss on Ignition | Loss on Ignition Test Method | After high-temperature incineration, weigh the residue to assess the content of inorganic impurities. |
| Solution Clarity and Color | Visual Colorimetry or Spectrophotometry | Check the clarity and color of the solution to ensure it is within acceptable limits, reflecting the purity status. |
Technical Specifications of Epalrestat
| Test Item | Specification |
|---|---|
| Appearance | Yellow Solid |
| Purity | >=98.5% (by HPLC) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 132–136°C |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 ppm |
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 Epalrestat
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Epalrestat
Packaging of Epalrestat
Industrial Epalrestat 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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