diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5- Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1246616-66-9 |
| Product name | diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5- |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5- Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Organic synthesis intermediate for constructing potential active molecules containing a pyran scaffold | Used as a key intermediate in multi-step synthesis, e.g., deprotection, reduction, and cyclization to prepare anticancer or antiviral candidate compounds |
Manufacturing Quality Control of diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main compound by UV absorption at specific wavelength using reverse-phase chromatography with external standard calibration. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities using gradient HPLC separation and UV detection. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., methanol, toluene) by gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration using iodine-based redox reaction. |
| Heavy Metals | ICP-MS | Quantifies toxic elements (Pb, Cd, Hg, As) by inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Ion Chromatography | Separates and quantifies sulfate ions using anion-exchange column and conductivity detection. |
| Residual Palladium | ICP-OES | Measures palladium from catalytic hydrogenation residues using inductively coupled plasma optical emission spectroscopy. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of particulates or phase separation against standard reference. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range of solid-to-liquid transition using calibrated capillary method. |
| Specific Optical Rotation | Polarimetry | Measures chiral purity and identity by determining rotation of plane-polarized light in solution. |
| Residual Benzyl Chloride | GC-MS | Identifies and quantifies unreacted benzyl chloride precursor using gas chromatography-mass spectrometry. |
Technical Specifications of diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| Purity | >=98.5% (LC-MS) |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 142–146°C |
| 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 diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-
Safety Information of diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5-
Industrial diMethyl 3-(benzyloxy)-4-oxo-4H-pyran-2,5- 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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