China Factory Direct
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| CAS number | 132388-60-4 |
| Product name | Z-GLN(TRT)-OH |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent GradeIndustrial GradeFood 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) |
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 |
|---|---|---|
| Pharmaceuticals | Intermediate | Used in the synthesis of certain peptide-based drugs or amino acid derivatives |
| Chemical Manufacturing | Catalyst Precursor | Serves as a precursor for catalysts in organic synthesis reactions |
| Materials Science | Functional Material Synthesis | Applied in the synthesis of polymeric or functional materials |
| Food Additives | Enzyme Inhibitor or Flavor Modulator | May be used in the food industry to control enzymatic activity |
| Research Institutions | Laboratory Reagent | Used in organic synthesis or analytical experiments in laboratory settings |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (Purity) | HPLC-UV | Quantifies main component by UV absorption at specific wavelength using reverse-phase chromatography with external standard calibration. |
| Related Substances | HPLC-UV | Detects and quantifies structurally related impurities (e.g., deprotected forms, diastereomers) via gradient RP-HPLC with UV detection. |
| Chiral Purity | Chiral HPLC | Resolves enantiomeric impurity (e.g., D-glutamine derivative) using chiral stationary phase and UV detection. |
| Residual Solvents | GC-FID | Quantifies volatile organic solvents (e.g., DMF, toluene, methanol) by headspace gas chromatography with flame ionization detection. |
| Water Content | Karl Fischer Titration | Determines trace water content via coulometric or volumetric titration based on iodine–sulfur dioxide redox reaction in pyridine/methanol medium. |
| Heavy Metals | ICP-MS | Measures trace elemental impurities (e.g., Pb, Cd, Ni, Pd) after acid digestion using inductively coupled plasma mass spectrometry. |
| Residue on Ignition | Gravimetric Analysis | Determines inorganic ash content by high-temperature incineration followed by precise weighing of residual inorganic matter. |
| Optical Rotation | [α]D Measurement | Determines specific optical rotation at 589 nm using sodium D-line to confirm chiral integrity and batch-to-batch consistency. |
| Particle Size Distribution | Laser Diffraction | Measures dry powder particle size distribution by analyzing angular scattering pattern of laser light passing through dispersed sample. |
| Microbial Contamination | Membrane Filtration | Detects aerobic microorganisms via filtration, membrane transfer to culture media, and colony enumeration per pharmacopeial guidelines. |
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (by LC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 148–152 °C |
| Optical Rotation | -5.0 to -4.0 ° (c=1, in DMF) |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| 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.