D-Alloisoleucine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1509-35-9 |
| Product name | D-Alloisoleucine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical 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 D-Alloisoleucine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk D-Alloisoleucine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of D-Alloisoleucine
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of antibiotics and peptide-based drugs | Used as a chiral intermediate in drug molecule construction, enabling synthesis of bioactive peptides and β-lactam antibiotics |
| Biochemical Research | Amino acid metabolism studies | Applied as isotopically labeled or unlabeled probes to investigate branched-chain amino acid metabolic pathways and enzyme specificity |
| Cell Culture | Specialized medium component | Incorporated into cell culture media to provide nutritional supplementation for specific cell lines or microorganisms, supporting growth and protein expression |
Manufacturing Quality Control of D-Alloisoleucine
| 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 |
| Enantiomeric Purity | Chiral HPLC | Separation of D- and L-isomers using a chiral stationary phase; D-isomer peak area ratio calculated against total isomer area |
| Loss on Drying | Gravimetric (105 C oven) | Mass loss measured after drying sample at 105 C to constant weight, reflecting volatile content including moisture |
| Residue on Ignition | Sulfated ash gravimetry | Sample ignited at 700-800 C after sulfuric acid treatment; residual inorganic ash mass determined gravimetrically |
| Heavy Metals (as Pb) | ICP-OES | Total heavy metal content determined by plasma emission spectroscopy after acid digestion and calibration with Pb standard |
| Chloride (Cl-) | Potentiometric titration with AgNO3 | Titration with silver nitrate using silver indicator electrode; endpoint detected by potential jump due to AgCl precipitation |
| Sulfate (SO4) | Barium chloride turbidimetry | Precipitation of BaSO4 in acidic medium; turbidity measured spectrophotometrically at 420 nm |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light at 20 C using sodium D-line (589 nm); reported as [alpha]D value |
| pH (1% aqueous solution) | Potentiometric pH measurement | pH determined using calibrated glass electrode in a 1% w/v aqueous solution at 25 C |
| Related Substances | HPLC with UV detection | Separation and detection of structurally related impurities (e.g., L-isomer, degradants) using gradient reversed-phase method |
| Water Content | Karl Fischer titration | Volumetric or coulometric determination of water based on iodine consumption in pyridine-methanol solvent system |
| Microbial Limits | Membrane filtration and plate count | Quantitative recovery of aerobic microorganisms from sample solution followed by incubation on soybean-casein digest agar |
Technical Specifications of D-Alloisoleucine
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Melting Point | 280-285°C (decomposes) |
| Optical Rotation | +18.0° to +22.0° (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
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Download COA of D-Alloisoleucine
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| Lot/Batch Number | *Required fields | |
NMR Spectra of D-Alloisoleucine
Packaging of D-Alloisoleucine
Industrial D-Alloisoleucine 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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