China Factory Direct
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| CAS number | 603143-27-7 |
| Product name | 4-(Methanesulfonyl)phenylboronic acid pinacol ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate in drug molecule synthesis, used to construct active pharmaceutical ingredients containing phenylboronate structures | Used in Suzuki-Miyaura cross-coupling reactions with aryl halides under palladium catalysis to form target drug molecules |
| Pesticides | Aromatic structural unit for synthesizing novel insecticides or fungicides | Applied as a coupling reagent in aryl–aryl bond formation to construct biologically active heterocyclic compounds |
| Materials Science | Functional monomer for synthesizing organic light-emitting materials (OLEDs) or conjugated polymers | Introduced via transition-metal-catalyzed coupling polymerization to incorporate boronate groups and tune optoelectronic properties of materials |
| Chemical Research | Boronate building block for organic synthesis, enabling functionalization of complex molecules | Employed in palladium-catalyzed coupling with organic halides under anhydrous, oxygen-free conditions for structural verification or methodology development |
| 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 based on retention time and relative response factors using gradient elution. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents by gas chromatography with flame ionization detection using headspace sampling. |
| Water Content | Karl Fischer Titration | Electrochemical titration with iodine reagent to determine water content based on stoichiometric reaction with iodine and sulfur dioxide. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, As) via inductively coupled plasma mass spectrometry after acid digestion. |
| Residual Boron | ICP-OES | Quantification of total boron content by atomic emission spectroscopy following microwave-assisted nitric/hydrochloric acid digestion. |
| Chloride Impurity | Ion Chromatography | Separation and conductivity detection of chloride ions using an anion-exchange column and suppressed conductivity detection. |
| Sulfate Impurity | Ion Chromatography | Separation and conductivity detection of sulfate ions using an anion-exchange column and suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid transition temperature range using controlled heating and visual observation of phase change. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particulates or discoloration under standardized white light and against a white background. |
| Loss on Drying | Gravimetric Analysis | Measurement of weight loss after drying under specified temperature and vacuum conditions to determine volatile and moisture content. |
| Residual Palladium | ICP-MS | Quantification of palladium catalyst residue using isotope-dilution ICP-MS after microwave-assisted aqua regia digestion. |
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 128–132°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.