PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 672323-32-9 |
| Product name | PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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 PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Used as a pharmaceutical intermediate in the synthesis of small-molecule targeted therapeutics, such as kinase inhibitors | Organic synthesis involving multi-step processes, including Suzuki coupling and amidation reactions |
| Agricultural Chemicals | Potential active ingredient or intermediate for agrochemicals (research stage) | High-throughput screening and structure-optimization synthesis |
| Biochemical Research | Tool compound for studying protein kinase activity regulation mechanisms | Custom synthesis and purification at laboratory scale |
Manufacturing Quality Control of PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at characteristic wavelength, calibrated against reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities by gradient HPLC-UV, comparing retention times and peak areas to reference standards or threshold limits. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents using gas chromatography with flame ionization detection, per ICH Q3C guidelines. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent to determine trace water based on stoichiometric reaction. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after aqueous extraction. |
| Sulfate Content | Ion Chromatography | Separation and quantification of sulfate ions using suppressed conductivity detection after aqueous extraction. |
| Residue on Ignition | Gravimetric Analysis | Measurement of inorganic ash content after high-temperature incineration and weighing of residual residue. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of sample against defined specifications under controlled lighting. |
| Particle Size Distribution | Laser Diffraction | Analysis of particle size distribution in dry or dispersed state using light scattering principles and Mie theory. |
| Bulk Density | Tap Density Tester | Measurement of mass per unit volume after standardized tapping, following USP <616> for powder characterization. |
Technical Specifications of PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 248-252°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| 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 PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
Safety Information of PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE
Industrial PYRAZOLO[1,5-A]PYRIMIDINE-5,7(4H,6H)-DIONE 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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