H-ASP-OTBU Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 4125-93-3 |
| Product name | H-ASP-OTBU |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeFood GradeCosmetic 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 H-ASP-OTBU
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk H-ASP-OTBU Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of H-ASP-OTBU
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of antiviral drugs | Used as an intermediate in the synthesis of nucleoside analogs for anti-HIV drug production |
| Pharmaceutical Industry | Synthesis of amino acid-based drugs | Used to synthesize L-aspartic acid derivatives, which serve as precursors for drugs treating metabolic disorders |
| Food Additives | Acidulant | Applied as an acidity regulator in the food industry to enhance flavor profiles |
| Personal Care Industry | pH Adjuster | Used as a pH adjuster in cosmetics and detergents to maintain product stability |
| Chemical Raw Materials | Synthesis of organic acids | Hydrolyzed to produce L-aspartic acid, which serves as a precursor for synthesizing other organic acids |
| Materials Science | Polymer Synthesis | Employed as a monomer or crosslinking agent in polymerization reactions for functional polymeric materials |
Manufacturing Quality Control of H-ASP-OTBU
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantification based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Chiral Purity | Chiral HPLC | Separation of enantiomers on a chiral stationary phase, with detection and quantification of L-isomer content. |
| Water Content | Karl Fischer titration | Electrochemical titration where iodine reacts stoichiometrically with water in a controlled anhydrous medium. |
| Residual Solvents | Gas Chromatography (GC-FID) | Separation and quantification of volatile organic solvents using flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element quantification of metallic impurities by measuring atomic emission intensities after plasma atomization. |
| Chloride Content | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Content | Ion Chromatography (IC) | Separation and quantification of sulfate ions using anion-exchange column and conductivity detection. |
| Related Substances | HPLC with UV detection | Identification and quantification of structurally related impurities using gradient reversed-phase chromatography. |
| Optical Rotation | Polarimetry | Measurement of the angle of rotation of plane-polarized light induced by chiral molecules in solution. |
| Melting Point | Capillary melting point apparatus | Determination of temperature range at which solid transitions to liquid, indicating purity and identity. |
| Residue on Ignition | Gravimetric analysis | Weighing of non-volatile inorganic residue remaining after high-temperature ashing. |
| pH (1% aqueous solution) | Potentiometric pH measurement | Determination of hydrogen ion activity using calibrated glass electrode in aqueous suspension. |
Technical Specifications of H-ASP-OTBU
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 75-79°C |
| Optical Rotation | -12.0° to -14.0° (c=1, in 1M HCl) |
| Total Impurities | <=1.5% |
| 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
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Download COA of H-ASP-OTBU
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of H-ASP-OTBU
Packaging of H-ASP-OTBU
Industrial H-ASP-OTBU 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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