(S)-(+)-O-Acetyl-L-mandelic acid Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 7322-88-5 |
| Product name | (S)-(+)-O-Acetyl-L-mandelic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeIndustrial GradeSpecialty Grade |
| Packaging | 25KG/bag500KG/bag1000KG/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) |
QUOTE TYPE
PACKAGING TYPE
TOTAL QUANTITY(KG)
PREFERRED SHIPPING METHOD
YOUR COMPANY
YOUR E-MAIL
Calculate Summary
Based on current marketvolatility and material availability.
Documents We Provide for (S)-(+)-O-Acetyl-L-mandelic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (S)-(+)-O-Acetyl-L-mandelic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (S)-(+)-O-Acetyl-L-mandelic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Chiral intermediates for synthesizing optically active drugs (e.g., antibiotics, antivirals) | Used as chiral auxiliaries or resolving agents in asymmetric synthesis or chiral resolution processes |
| Chemical Synthesis | Chiral building blocks for constructing molecules with chiral centers | Introduces acetoxy and chiral mandelic acid moieties in organic reactions such as esterification and condensation |
| Analytical Chemistry | Chiral derivatization reagents for enantiomeric purity analysis | Forms diastereomeric derivatives with amines or alcohols to facilitate chromatographic separation and detection |
Manufacturing Quality Control of (S)-(+)-O-Acetyl-L-mandelic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with Chiral Column | Separation and quantification using a chiral stationary phase and UV detection at 210-230 nm. |
| Enantiomeric Excess (ee) | Chiral HPLC | Direct separation of (S)- and (R)-enantiomers; ee calculated from peak area ratio. |
| Loss on Drying (LOD) | Gravimetric Thermogravimetry | Mass loss measured after drying at 105 C for 2 hours under controlled humidity conditions. |
| Residual Solvents | Gas Chromatography (GC-FID) | Quantification of common solvents (e.g., ethyl acetate, methanol) using flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element detection after acid digestion; total heavy metals reported as Pb equivalent. |
| Chloride Content | Potentiometric Titration with AgNO3 | Titration using silver nitrate; endpoint detected by silver electrode potential shift. |
| Sulfated Ash | Gravimetric Incineration | Residue mass measured after incineration at 700-750 C following sulfuric acid treatment. |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical quantification of water based on iodine generation and stoichiometric reaction. |
| Optical Rotation | [alpha]D Measurement | Specific rotation determined at 20 C using sodium D-line (589 nm) in specified solvent concentration. |
| pH of Aqueous Solution | Potentiometric pH Measurement | pH measured in 1% w/v aqueous suspension using calibrated glass electrode. |
| Particle Size Distribution | Laser Diffraction | Size distribution analysis based on angular scattering pattern of dispersed particles in liquid medium. |
| Microbial Limits | Membrane Filtration and Plate Count | Total aerobic microbial count and absence of specified pathogens per pharmacopeial guidelines. |
Technical Specifications of (S)-(+)-O-Acetyl-L-mandelic acid
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (LC-MS) |
| Optical Rotation | +151.0 to +155.0 deg (c=1, in CHCl3) |
| Melting Point | 78.0 to 82.0 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
|
|
Download COA of (S)-(+)-O-Acetyl-L-mandelic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (S)-(+)-O-Acetyl-L-mandelic acid
Safety Information of (S)-(+)-O-Acetyl-L-mandelic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of (S)-(+)-O-Acetyl-L-mandelic acid
Industrial (S)-(+)-O-Acetyl-L-mandelic acid 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.
Use Bulk
Supply Factory
Direct ISO 9001
Certified Samples
Available Stable
Supply