Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 87219-29-2 |
| Product name | Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate |
| 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 Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Chiral intermediates for synthesizing γ-aminobutyric acid (GABA) analogues, such as the antiepileptic drug brivaracetam | Construction of the pyrrolidinone ring via multi-step reactions—including deprotection and amidation—following asymmetric synthesis or chiral resolution |
Manufacturing Quality Control of Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reverse-phase HPLC with UV detection at 210-230 nm, comparing peak area to a certified reference standard. |
| Chiral Purity | Chiral HPLC | Separation of (R)- and (S)-enantiomers on a chiral stationary phase; enantiomeric excess calculated from peak areas. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify common solvents (e.g., MeOH, EtOAc, toluene) against calibrated standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration with iodine-based reagent; water reacts stoichiometrically to determine trace moisture. |
| Heavy Metals | ICP-MS | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion, based on atomic mass-to-charge ratio detection. |
| Residual Palladium | ICP-OES | Quantification of Pd catalyst residue after microwave-assisted digestion, using characteristic atomic emission lines. |
| Related Substances | HPLC-UV | Detection and quantification of structurally related impurities (e.g., hydrolysis/degradation products) using gradient HPLC-UV. |
| Optical Rotation | [alpha]D Measurement | Specific rotation measured in solution using a polarimeter at 20-25 C and sodium D-line (589 nm); confirms chiral integrity. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as solid-to-liquid phase change; indicates crystallinity and absence of significant impurities. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of solid material under controlled lighting against established reference standards. |
| Particle Size Distribution | Laser Diffraction | Analysis of dry powder dispersion via light scattering pattern to determine D10, D50, D90 values. |
| Microbial Contamination | Membrane Filtration | Quantitative recovery and enumeration of aerobic microorganisms using nutrient agar culture after filtration and incubation. |
Technical Specifications of Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Optical Rotation | -57.0 to -53.0 deg (c=1, in CHCl3) |
| Melting Point | 84 to 88 °C |
| Identification (NMR) | Conforms to reference spectrum |
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 Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate
Safety Information of Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate
Industrial Benzyl (S)-(-)-tetrahydro-5-oxo-3-furanylcarbamate 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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