D(-)-allo-Threonine Bulk Supply for Industrial Use
China Factory Direct
 |
|
| CAS number | 24830-94-2 |
| Product name | D(-)-allo-Threonine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent GradeFood 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 D(-)-allo-Threonine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk D(-)-allo-Threonine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of D(-)-allo-Threonine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | As a synthetic drug intermediate for the preparation of antibiotics and antiviral agents | Used to construct chiral centers via asymmetric synthesis or enzymatic catalysis |
| Biotechnology | For the synthesis of bioactive peptides, including peptide-based therapeutics and functional peptides | Applied as a key amino acid component in solid-phase peptide synthesis (SPPS) |
| Food Additives | As a nutritional fortificant in functional foods and beverages | Produced via chemical synthesis or microbial fermentation, followed by purification |
| Research Reagents | For biochemical research, enzyme kinetics studies, and drug screening | Refined to high purity following chemical or biological synthesis |
Manufacturing Quality Control of D(-)-allo-Threonine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Separation on chiral or reversed-phase column; quantification via UV absorbance at 200-220 nm relative to reference standard |
| Optical Rotation | [alpha]D measurement | Measurement of rotation angle of plane-polarized light in solution at specified concentration, path length, and temperature |
| Chiral Purity | Chiral HPLC or GC | Enantiomeric separation using chiral stationary phase; quantification of D- vs L-isomer peak areas |
| Loss on Drying | Gravimetric thermogravimetry | Mass loss determined after drying at 105 C under vacuum or air for fixed time |
| Residue on Ignition | Gravimetric sulfate ash | Mass of inorganic residue remaining after high-temperature incineration (700-800 C) |
| Heavy Metals | ICP-OES | Quantification of Pb, Cd, Hg, As, and other regulated metals by plasma emission spectroscopy after acid digestion |
| Chloride | Potentiometric titration with AgNO3 | Titration with silver nitrate using silver indicator electrode; endpoint detected by potential change |
| Sulfate | Barium chloride turbidimetry | Precipitation of sulfate as BaSO4; quantification via turbidity measurement at 420 nm |
| Water Content | Karl Fischer titration | Coulometric or volumetric reaction of water with iodine in pyridine/methanol medium; stoichiometric determination |
| pH (1% aqueous solution) | pH potentiometry | Measurement using calibrated glass electrode in 1% w/v aqueous solution at 25 C |
| Related Substances | HPLC with UV detection | Separation and detection of structurally related impurities (e.g., degradants, isomers) using gradient elution |
| Microbial Limits | Membrane filtration and colony counting | Enumeration of aerobic mesophilic bacteria, yeasts, and molds after filtration and incubation on appropriate agar media |
Technical Specifications of D(-)-allo-Threonine
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 230-234°C (decomposes) |
| Optical Rotation | -9.0 to -11.0° (c=1, H2O) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| 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 D(-)-allo-Threonine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of D(-)-allo-Threonine
Packaging of D(-)-allo-Threonine
Industrial D(-)-allo-Threonine 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