4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 18337-63-8 |
| Product name | 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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) |
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Documents We Provide for 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI)
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of vitamin B1 (thiamine) derivatives | Used to introduce specific functional groups via substitution reactions |
| Pharmaceuticals | Precursor for antitumor drug synthesis | Employed in multi-step organic synthesis to construct complex molecular frameworks |
| Pesticides | Intermediate in the synthesis of pesticide active ingredients | Applied in functional group transformations and coupling reactions |
| Chemicals | Raw material for functional chemical production | Used in condensation or cycloaddition reactions |
Manufacturing Quality Control of 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 260 nm, calibrated against certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time and relative response factors. |
| Residual Solvents | GC-FID | Detection and quantification of volatile organic solvents (e.g., methanol, acetone) using gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water via stoichiometric reaction. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (Pb, Cd, Hg, As) after acid digestion, using inductively coupled plasma mass spectrometry. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride ions using suppressed conductivity detection after anion exchange. |
| Sulfated Ash | Gravimetric Analysis | Incineration at 750 C followed by weighing of residual inorganic ash after sulfuric acid treatment. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary apparatus per USP <741>. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Measurement of hydrogen ion activity in a 1% w/v aqueous suspension using calibrated glass electrode and pH meter. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion using laser scattering to determine volume-based particle size distribution (D10, D50, D90). |
| Loss on Drying | Thermogravimetric Analysis | Weight loss measurement after drying at 105 C for 2 hours under vacuum or nitrogen purge. |
| Optical Rotation | Polarimetry | Measurement of specific rotation using sodium D-line light (589 nm) in solution, indicating chiral purity or absence of racemization. |
Technical Specifications of 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI)
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Melting Point | 248–252°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| 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 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI)
Safety Information of 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI)
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI)
Industrial 4(1H)-Pyrimidinone, 6-hydroxy-5-methyl- (8CI,9CI) 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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