China Factory Direct
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| CAS number | 1073353-55-5 |
| Product name | 4-(PYRROLIDINE-1-CARBONYL)PHENYLBORONIC ACID, PINACOL ESTER |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial 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) |
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 |
|---|---|---|
| Pharmaceutical R&D | Boronic ester intermediates (e.g., pinacol boronate derivatives) for Suzuki–Miyaura cross-coupling to construct aromatic heterocyclic compounds containing pyrrolidinyl groups | Under palladium catalysis (e.g., Pd(dppf)Cl₂, Pd(PPh₃)₄), undergoes cross-coupling with aryl/heteroaryl halides or pseudohalides to generate structurally diverse bioactive molecule candidates |
| New Materials | Key building block in organic optoelectronic material synthesis, used to construct conjugated polymers or small-molecule donors bearing boronic ester side chains | Introduces pyrrolidinylcarbonylphenylboronic ester units via Suzuki coupling to modulate molecular energy levels, solubility, and thin-film morphology for OLED or OPV device applications |
| Pesticide R&D | Structural modification intermediate for novel nitrogen-containing heterocyclic pesticide molecules | Participates in metal-catalyzed C–C bond formation to incorporate N-acylpyrrolidinylphenyl fragments—conferring steric bulk and hydrogen-bond acceptor capability—to optimize target binding affinity and metabolic stability |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component by UV absorption at specific wavelength using reverse-phase chromatography with external standard calibration. |
| Related Substances | HPLC-UV | Detects and quantifies structurally similar impurities using gradient reverse-phase HPLC with UV detection. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., THF, toluene, heptane) by gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines water content via coulometric or volumetric titration using iodine-based redox reaction. |
| Heavy Metals | ICP-MS | Quantifies trace metal impurities (e.g., Pd, Ni, Fe) by inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column with conductivity detection. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing and weighing. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary apparatus. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles under controlled white light. |
| Particle Size Distribution | Laser Diffraction | Measures size distribution of solid particles in suspension using angular scattering pattern of laser beam. |
| Bulk Density | Tap Density Tester | Determines mass per unit volume of powder after standardized tapping procedure. |
| pH of Aqueous Slurry | pH Meter | Measures hydrogen ion activity in a defined suspension of sample in water using calibrated pH electrode. |
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 142–146°C |
| Identification (NMR) | Conforms to reference standard |
| 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.