N-Carbobenzyloxy-L-threonine methyl ester Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 57224-63-2 |
| Product name | N-Carbobenzyloxy-L-threonine methyl ester |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeReagent 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 N-Carbobenzyloxy-L-threonine methyl ester
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk N-Carbobenzyloxy-L-threonine methyl ester Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of N-Carbobenzyloxy-L-threonine methyl ester
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing peptide-based drugs | Used in coupling steps of chemical synthesis reactions |
| Medical Devices | Amino acid protecting agent for peptide synthesis | Applied for temporary amino group protection via chemical modification |
| Research | Reference standard or control substance in laboratory settings | Employed as a qualitative and quantitative standard in high-performance liquid chromatography (HPLC) analysis |
Manufacturing Quality Control of N-Carbobenzyloxy-L-threonine methyl ester
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reverse-phase HPLC with UV detection at 210 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities by gradient HPLC-UV, using relative response factors or reference standards. |
| Residual Solvents | GC-FID | Measures volatile organic solvents (e.g., methanol, dichloromethane) by headspace GC with flame ionization detection against calibrated standards. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric titration using iodine generated electrochemically in pyridine/methanol buffer. |
| Optical Rotation | [alpha]D Measurement | Measures specific rotation at 589 nm using a polarimeter to confirm chiral integrity and enantiomeric purity. |
| Heavy Metals | ICP-OES | Quantifies elemental impurities (e.g., Pb, Cd, Ni) after acid digestion by inductively coupled plasma optical emission spectroscopy. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions using suppressed conductivity detection after aqueous extraction. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| pH of Aqueous Solution | Potentiometric pH Measurement | Determines acidity/basicity of a saturated aqueous suspension using a calibrated pH electrode. |
| Melting Point | Capillary Melting Point Apparatus | Identifies purity and identity by observing temperature range of solid-to-liquid phase transition under controlled heating. |
| Appearance | Visual Inspection | Assesses physical state, color, and presence of foreign particles against established visual standards under controlled lighting. |
| Bulk Density | USP <616> Tap Density Method | Measures mass per unit volume after standardized tapping to assess flow and handling characteristics. |
Technical Specifications of N-Carbobenzyloxy-L-threonine methyl ester
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (by LC-MS) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 72–76°C |
| Optical Rotation | -18.5 to -17.5° (c=1, in CHCl3) |
| Identification (NMR) | Conforms to reference spectrum |
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 N-Carbobenzyloxy-L-threonine methyl ester
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of N-Carbobenzyloxy-L-threonine methyl ester
Safety Information of N-Carbobenzyloxy-L-threonine methyl ester
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of N-Carbobenzyloxy-L-threonine methyl ester
Industrial N-Carbobenzyloxy-L-threonine methyl ester 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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