(S)-3-(4-boronophenyl)-2-((tert-butoxycarbonyl)amino)propanoicacid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 119771-23-2 |
| Product name | (S)-3-(4-boronophenyl)-2-((tert-butoxycarbonyl)amino)propanoicacid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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) |
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Documents We Provide for 119771-23-2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 119771-23-2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 119771-23-2
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a precursor or intermediate in boron neutron capture therapy (BNCT) agents | Chemical synthesis |
| Pharmaceuticals | Used in the synthesis of boron-containing protease inhibitors | Chemical synthesis |
| Pharmaceuticals | Serves as a key building block in the development of tumor-targeting therapeutics | Chemical synthesis |
| Chemical Research | Used as an intermediate in asymmetric synthesis or construction of chiral drug molecules | Laboratory synthesis |
Manufacturing Quality Control of 119771-23-2
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 210-220 nm, comparing peak area to a certified reference standard. |
| Enantiomeric Purity | Chiral HPLC | Separation of (S)- and (R)-enantiomers on a chiral stationary phase, with UV detection and calculation of enantiomeric excess (ee). |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify common organic solvents (e.g., methanol, THF, ethyl acetate) against calibrated standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water content based on stoichiometric reaction. |
| Heavy Metals | ICP-MS | Multi-element quantification of toxic metals (e.g., Pb, Cd, Hg, Ni) after acid digestion, using inductively coupled plasma mass spectrometry for sub-ppb sensitivity. |
| Residual Palladium | ICP-OES | Quantification of palladium catalyst residues after microwave-assisted digestion, using inductively coupled plasma optical emission spectrometry. |
| Chloride Content | Ion Chromatography | Separation and conductivity detection of chloride ions in aqueous extract; quantified against sodium chloride calibration standards. |
| Sulfated Ash | Gravimetric Analysis | Ignition at 750 C followed by weighing of inorganic residue after treatment with sulfuric acid to convert metals to sulfates. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry or wet dispersed sample using light scattering principles to determine D10, D50, D90 values. |
| Melting Point | Capillary Melting Point Apparatus | Thermal determination of solid-to-liquid transition range using calibrated digital melting point instrument per USP <741>. |
| Related Substances | HPLC-UV | Detection and quantification of structurally related impurities (e.g., de-Boc, oxidation products) using gradient HPLC with UV detection. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic microorganisms and absence testing for specified pathogens (e.g., E. coli, S. aureus) per USP <61> and <62>. |
Technical Specifications of 119771-23-2
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Optical Rotation | +12.0 to +14.0 deg (c=1, in 1M HCl) |
| Melting Point | 178 to 182 °C |
| Identification (NMR) | Consistent with structure |
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 119771-23-2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 119771-23-2
Packaging of 119771-23-2
Industrial 119771-23-2 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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