4-methyl hydrogen D-aspartate hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 22728-89-8 |
| Product name | 4-methyl hydrogen D-aspartate hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical 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) |
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Documents We Provide for 4-methyl hydrogen D-aspartate hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-methyl hydrogen D-aspartate hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-methyl hydrogen D-aspartate hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Synthesis of chiral drug intermediates | Chiral resolution or asymmetric synthesis |
| Medical | Research on biological activity of amino acid derivatives | Chemical synthesis and purification |
| Chemical | Production of chiral ligands or catalysts | Asymmetric catalytic reactions |
| Pesticides | Development of chiral pesticide intermediates | Chiral synthesis technologies |
Manufacturing Quality Control of 4-methyl hydrogen D-aspartate hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification using reversed-phase HPLC with UV detection at 210 nm, comparing peak area to a certified reference standard. |
| Chiral Purity | Chiral HPLC | Separation of (R)- and (S)-enantiomers on a chiral stationary phase, with UV detection and enantiomeric excess calculation. |
| Loss on Drying | Gravimetric (Thermogravimetry) | Mass loss measured after drying at 105 C for 2 hours under controlled humidity conditions. |
| Residual Solvents | GC-FID | Identification and quantification of organic solvents using gas chromatography with flame ionization detection against calibrated standards. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and Ni after acid digestion, based on atomic emission intensities. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using a silver indicator electrode; endpoint detected by potential change. |
| pH (1% aqueous solution) | pH Meter Measurement | Direct measurement using calibrated pH electrode in a 1% w/v aqueous solution at 25 C. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light at 20 C using sodium D-line (589 nm) and standardized path length. |
| Related Substances | HPLC-UV | Detection and quantification of impurities using gradient HPLC with UV detection, relative to main peak area. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric determination of water based on iodine-sulfur dioxide redox reaction in pyridine-methanol medium. |
| Residue on Ignition | Gravimetric (Sulfated Ash) | Mass of inorganic residue after ignition at 600 C following sulfuric acid treatment. |
| Microbial Limits | Membrane Filtration | Enumeration of aerobic mesophilic bacteria and absence of specified pathogens via filtration, incubation, and colony counting. |
Technical Specifications of 4-methyl hydrogen D-aspartate hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 182–186 °C |
| Optical Rotation | +15.0 to +17.0 ° (c=1, H2O) |
| Total Impurities | <=1.5% |
| 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 4-methyl hydrogen D-aspartate hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-methyl hydrogen D-aspartate hydrochloride
Safety Information of 4-methyl hydrogen D-aspartate hydrochloride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4-methyl hydrogen D-aspartate hydrochloride
Industrial 4-methyl hydrogen D-aspartate hydrochloride 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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