China Factory Direct
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| CAS number | 15891-49-3 |
| Product name | AC-NLE-OH |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Raw material for peptide drug synthesis | Used as a non-natural amino acid monomer in solid-phase peptide synthesis (SPPS) to introduce hydrophobic side chains or serve as a structural modification unit, thereby enhancing the metabolic stability of peptide drugs. |
| Pharmaceutical Industry | Pharmaceutical intermediate | Employed in the synthesis of peptidomimetics or small-molecule drugs as a chiral building block in asymmetric synthesis to construct biologically active molecules with defined stereochemistry. |
| Biochemical Research | Tool for protein structure and function studies | Applied as a leucine or methionine analog in protein engineering and in vitro translation systems, enabling investigation of protein folding and interactions via non-natural amino acid incorporation. |
| Scientific Research | Reference standard and control | Utilized in amino acid analysis, chromatographic analysis, and mass spectrometry for qualitative and quantitative studies, serving as a reference standard for chromatographic retention time calibration. |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component by reversed-phase HPLC with UV detection at 205 nm using external standard calibration. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities using gradient HPLC with UV detection. |
| Optical Rotation | [alpha]D | Measures specific rotation in aqueous solution using a digital polarimeter to confirm chiral integrity. |
| Residual Solvents | GC-FID | Quantifies residual solvents (e.g., methanol, ethyl acetate) by headspace GC with flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration using iodine-based redox reaction. |
| Heavy Metals | ICP-MS | Quantifies Pb, Cd, Hg, As, and other heavy metals after acid digestion using inductively coupled plasma mass spectrometry. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using suppressed conductivity detection after aqueous extraction. |
| Sulfated Ash | Gravimetric Analysis | Measures inorganic residue after combustion with sulfuric acid treatment and high-temperature ignition. |
| pH (1% aqueous solution) | Potentiometric Titration | Measures hydrogen ion activity using calibrated pH electrode in a defined aqueous solution. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of solid particles in suspension using Mie scattering theory. |
| Microbial Contamination | Membrane Filtration | Detects aerobic microorganisms by filtration, membrane transfer to agar media, and colony enumeration. |
| Endotoxin Level | Kinetic Chromogenic LAL Assay | Quantifies bacterial endotoxins via enzymatic cascade activation of Limulus amebocyte lysate releasing chromophore. |
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 122-126°C |
| Optical Rotation | +17.0 to +19.0° (c=1, in 1M HCl) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.