China Factory Direct
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| CAS number | 2185-03-7 |
| Product name | L-Homoserine lactone hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent 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 |
|---|---|---|
| Biotechnology | Synthesizing amino acid derivatives and pharmaceutical intermediates | Chemical synthesis |
| Research Institutions | Used as a research tool compound in biochemical studies | Direct use or dissolution in solvent prior to use |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Acid-Base Titration | Quantifies L-homoserine lactone hydrochloride by titration with standardized NaOH using phenolphthalein indicator; based on stoichiometric neutralization of HCl salt. |
| Water Content | Karl Fischer Titration | Determines trace water via coulometric or volumetric reaction between water and iodine generated electrochemically or added reagent. |
| Residual Solvents | Gas Chromatography (GC) | Separates and quantifies volatile organic solvents (e.g., ethanol, acetone) using a capillary column and flame ionization detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Measures total heavy metal content by atomizing the sample and quantifying absorbance at characteristic wavelengths for lead. |
| Chloride Impurity | Potentiometric Titration | Determines chloride ions using silver nitrate titrant and silver-sulfide electrode to detect endpoint potential change. |
| Related Substances | High-Performance Liquid Chromatography (HPLC) | Separates and quantifies structurally related impurities (e.g., homoserine, lactone hydrolysis products) using reversed-phase C18 column and UV detection. |
| Optical Rotation | Polarimetry | Measures specific rotation of chiral compound in solution using sodium D-line light to confirm enantiomeric identity and purity. |
| pH (1% aqueous solution) | pH Meter Measurement | Determines acidity/basicity of aqueous solution using calibrated glass electrode and reference electrode. |
| Loss on Drying (LOD) | Gravimetric Analysis | Quantifies volatile matter by measuring mass loss after drying at specified temperature (e.g., 105 C) under controlled conditions. |
| Sulfated Ash | Gravimetric Analysis | Measures inorganic residue after high-temperature combustion with sulfuric acid treatment, indicating inorganic impurity load. |
| Microbial Contamination | Membrane Filtration | Detects viable aerobic microorganisms by filtering sample, culturing on nutrient agar, and enumerating colony-forming units. |
| Particle Size Distribution | Laser Diffraction | Determines size distribution of solid particles in suspension by analyzing angular variation of scattered laser light intensity. |
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 148-152°C |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Optical Rotation | -25° to -31° (c=1, in water) |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| Safety Data Sheet | |
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.