China Factory Direct
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| CAS number | 55674-63-0 |
| Product name | BOC-D-NLE-OH |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeReagent GradeFood Grade |
| Packaging | 25L/drum |
| 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 R&D | Pharmaceutical intermediates | Used as a chiral building block for the synthesis of peptide-based drugs and active pharmaceutical ingredients (APIs) |
| Biochemistry | Peptide synthesis reagent | Applied in solid-phase or solution-phase peptide synthesis as a protected amino acid derivative to participate in chain elongation reactions |
| Pharmaceutical intermediates | Antibiotic synthesis | Employed as a chiral auxiliary or structural building block in the synthesis of certain β-lactam antibiotics |
| Materials science | Functional material synthesis | Utilized in constructing chiral materials or self-assembling molecular architectures as a chiral recognition or induction unit |
| Analytical chemistry | Chiral analytical reference standard | Applied in chiral separation analysis by high-performance liquid chromatography (HPLC) or capillary electrophoresis (CE) |
| Food science | Food additive research | Used as a structural analog or metabolic probe in research on flavor peptides or bioactive peptides |
| Agrochemical R&D | Agrochemical synthesis intermediate | Integrated as a key chiral building block in synthetic routes for certain chiral agrochemical molecules |
| 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 D- and L-enantiomers on a chiral stationary phase, with UV detection to determine enantiomeric excess. |
| Water Content | Karl Fischer Titration | Electrochemical titration using iodine and sulfur dioxide in a methanol-based reagent to quantify trace water. |
| Residual Solvents | GC-FID | Gas chromatographic separation followed by flame ionization detection, calibrated against standard solvent solutions. |
| Heavy Metals | ICP-OES | Multi-element quantification after acid digestion, based on atomic emission intensities at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation of anions on an ion-exchange column with suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Ignition at 750 C to oxidize organic matter, followed by weighing of inorganic residue. |
| Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light passing through a solution, related to chiral concentration and path length. |
| Melting Point | Capillary Melting Point Apparatus | Thermal observation of solid-to-liquid transition using calibrated capillary tube method per USP <741>. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern from dispersed particles to calculate size distribution by Mie theory. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determination using calibrated glass electrode in a 1% w/v aqueous suspension. |
| Microbial Contamination | Membrane Filtration | Filtration of sample solution followed by incubation on nutrient media to detect viable aerobic microorganisms. |
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 75-79°C |
| Optical Rotation | +24.0 to +26.0° (c=1, in 1M HCl) |
| Heavy Metals | <=20 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.