(+/-)-Sulfinpyrazone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 57-96-5 |
| Product name | (+/-)-Sulfinpyrazone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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) |
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Documents We Provide for (+/-)-Sulfinpyrazone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (+/-)-Sulfinpyrazone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (+/-)-Sulfinpyrazone
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Uricosuric agent for the treatment of gout and hyperuricemia | As an organic acid diuretic, inhibits renal tubular reabsorption of uric acid to enhance urinary uric acid excretion; administered orally for long-term management of chronic gouty arthritis and hyperuricemia |
| Pharmaceuticals | Selective CYP2C9 enzyme inhibitor in drug metabolism studies | Used as a selective CYP2C9 isoform inhibitor in in vitro hepatic microsome assays or clinical drug interaction studies to evaluate metabolic pathways and potential drug–drug interaction (DDI) risks of candidate compounds |
| Research | Chemical synthesis intermediate | Employed in the preparation of sulfonyl-modified heterocyclic compounds; serves as a sulfonating reagent or structural directing group in coupling and substitution reactions during organic synthesis |
Manufacturing Quality Control of (+/-)-Sulfinpyrazone
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification and control based on USP/EP thresholds. |
| Loss on Drying | Gravimetric (105 C, 2 h) | Mass loss measured after drying under controlled temperature and time to determine volatile content including residual solvents and moisture. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection for quantitative analysis of Class 2 and 3 solvents per ICH Q3C guidelines. |
| Heavy Metals | ICP-MS | Multi-element trace metal quantification after acid digestion, meeting USP <232> limits for Pb, Cd, As, Hg, and others. |
| Chloride Impurity | Ion Chromatography | Separation and quantitation of chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Turbidimetry | Formation of barium sulfate precipitate in acidic medium; turbidity measured spectrophotometrically at 420 nm. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode per USP <791>. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample via light scattering to determine D10, D50, D90 values per USP <429>. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using calibrated capillary apparatus per USP <741>. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to quantify total water content per USP <921>. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic bacteria, yeasts, and molds using membrane filtration followed by incubation on appropriate agar media per USP <61> and <62>. |
Technical Specifications of (+/-)-Sulfinpyrazone
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Melting Point | 197–201°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 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 (+/-)-Sulfinpyrazone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (+/-)-Sulfinpyrazone
Packaging of (+/-)-Sulfinpyrazone
Industrial (+/-)-Sulfinpyrazone 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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