(S)-(-)-4-Amino-2-hydroxybutyric acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 40371-51-5 |
| Product name | (S)-(-)-4-Amino-2-hydroxybutyric acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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) |
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Documents We Provide for (S)-(-)-4-Amino-2-hydroxybutyric acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk (S)-(-)-4-Amino-2-hydroxybutyric acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of (S)-(-)-4-Amino-2-hydroxybutyric acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a chiral intermediate in the synthesis of γ-aminobutyric acid (GABA) receptor–related drugs, including antiepileptics and anxiolytics | Serves as a key building block in chiral or asymmetric synthesis, participating in multistep organic reactions to construct active molecular scaffolds |
| Pharmaceutical R&D | Employed in studies of GABA metabolic pathways and structure–activity relationships of neurotransmitter analogs | Used as a reference standard or probe molecule to evaluate biological activity and selectivity in in vitro or in vivo pharmacological assays |
| Biochemistry | Applied as a substrate or inhibitor in enzymology studies—particularly those involving GABA transaminase or decarboxylase | Functions as a reactant in enzymatic reaction systems for determining enzyme kinetic parameters or screening enzyme inhibitors |
Manufacturing Quality Control of (S)-(-)-4-Amino-2-hydroxybutyric 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 |
| Enantiomeric Excess (ee) | Chiral HPLC | Direct separation of (S)- and (R)-enantiomers to calculate enantiomeric ratio |
| Loss on Drying (LOD) | Gravimetric Method | Mass loss measured after drying at specified temperature under controlled conditions |
| Residual Solvents | GC-FID | Quantification of volatile organic solvents by gas chromatography with flame ionization detection |
| Heavy Metals | ICP-OES | Multi-element detection of metal impurities based on atomic emission spectroscopy |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver indicator electrode to detect chloride ions |
| Sulfate Content | Barium Sulfate Gravimetry | Precipitation as BaSO4 followed by gravimetric determination |
| pH (1% aqueous solution) | Potentiometric Measurement | Measurement of hydrogen ion activity using calibrated pH electrode in aqueous solution |
| Specific Optical Rotation | Polarimetry | Measurement of rotation of plane-polarized light due to chiral molecular structure |
| Water Content | Karl Fischer Titration | Coulometric or volumetric titration with iodine-based reagent to quantify water |
| Related Substances | RP-HPLC with UV Detection | Separation and detection of structurally related impurities using reversed-phase chromatography |
| Microbial Limits | Membrane Filtration and Plate Count | Enumeration of aerobic microorganisms by filtration, culture, and colony counting |
Technical Specifications of (S)-(-)-4-Amino-2-hydroxybutyric acid
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% |
| Optical Rotation | -32.0 to -28.0 deg (c=1, H2O) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 185 to 190 °C |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.1% |
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 (S)-(-)-4-Amino-2-hydroxybutyric acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of (S)-(-)-4-Amino-2-hydroxybutyric acid
Safety Information of (S)-(-)-4-Amino-2-hydroxybutyric acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of (S)-(-)-4-Amino-2-hydroxybutyric acid
Industrial (S)-(-)-4-Amino-2-hydroxybutyric 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.
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