5-Hydroxypyrazolo[1,5-a]pyrimidine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 29274-22-4 |
| Product name | 5-Hydroxypyrazolo[1,5-a]pyrimidine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeIndustrial GradeSpecialty 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 5-Hydroxypyrazolo[1,5-a]pyrimidine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 5-Hydroxypyrazolo[1,5-a]pyrimidine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 5-Hydroxypyrazolo[1,5-a]pyrimidine
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Intermediate for synthesizing biologically active compounds | Used as a heterocyclic scaffold in drug molecule construction for developing anticancer, antiviral, or central nervous system agents |
| Fine Chemicals | Organic synthesis intermediate | Functionalized via substitution, alkylation, or coupling reactions to prepare complex organic molecules |
| Agrochemical R&D | Investigation of potential active ingredients for pesticides | Applied as a pyrimidine-based heterocyclic building block for designing novel insecticidal and fungicidal candidates |
Manufacturing Quality Control of 5-Hydroxypyrazolo[1,5-a]pyrimidine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification by peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC with UV detection; identification based on retention time relative to reference standards. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify volatile organic solvents (e.g., methanol, acetone, ethyl acetate) against calibration standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction with water. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry for sub-ppb sensitivity. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after aqueous extraction. |
| Sulfated Ash | Gravimetric Analysis | Incineration at 600-700 C followed by weighing of non-volatile inorganic residue after treatment with sulfuric acid. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, observed visually under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of bulk sample against established reference standards under controlled lighting. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate volume-based particle size distribution in dry or wet dispersion. |
| Loss on Drying | Thermogravimetric Analysis | Measurement of mass loss upon heating to 105 C under nitrogen to determine volatile content including residual moisture and solvents. |
| Optical Rotation | Polarimetry | Measurement of angle of rotation of plane-polarized light passing through a solution to assess chiral purity and identity. |
Technical Specifications of 5-Hydroxypyrazolo[1,5-a]pyrimidine
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=99.0% (HPLC) |
| Melting Point | 248–252°C |
| Total Impurities | <=1.0% (HPLC) |
| Single Impurity | <=0.3% (HPLC) |
| Water Content (KF) | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
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 5-Hydroxypyrazolo[1,5-a]pyrimidine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 5-Hydroxypyrazolo[1,5-a]pyrimidine
Safety Information of 5-Hydroxypyrazolo[1,5-a]pyrimidine
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 5-Hydroxypyrazolo[1,5-a]pyrimidine
Industrial 5-Hydroxypyrazolo[1,5-a]pyrimidine 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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