L-Proline benzyl ester hydrochloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 16652-71-4 |
| Product name | L-Proline benzyl ester hydrochloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Reagent GradeFood GradeCosmetic 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 L-Proline benzyl ester hydrochloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk L-Proline benzyl ester hydrochloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of L-Proline benzyl ester hydrochloride
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a synthetic intermediate in the preparation of certain drugs, such as antiviral agents or antibiotics | Produced via esterification of L-proline with benzyl alcohol under acidic catalysis to yield L-proline benzyl ester, followed by hydrochloride salt formation using hydrochloric acid |
| Cosmetics | Incorporated into skin care products, where it may contribute to moisturization or other skin benefits | Added to emulsions, creams, and similar formulations to achieve specific skin care effects |
| Research | Employed as a chiral ligand or catalyst in asymmetric synthesis studies | Leveraged for its chiral structure to enable efficient asymmetric synthesis of target compounds in organic synthesis experiments |
| Food Additives | Potentially explored as a flavor enhancer or functional food ingredient | Converted into more complex flavor precursor compounds via controlled enzymatic hydrolysis or other biotransformation processes |
Manufacturing Quality Control of L-Proline benzyl ester hydrochloride
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 210 nm, comparing peak area against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and threshold limits per ICH Q3A/B. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify residual benzyl alcohol, dichloromethane, and other process solvents against calibrated standards. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction with water. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion, based on atomic emission intensity at characteristic wavelengths. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using a silver indicator electrode; endpoint detected by potential change due to AgCl precipitation. |
| Optical Rotation | [alpha]D Measurement | Determination of specific optical rotation using a sodium D-line (589 nm) polarimeter to confirm chiral integrity and enantiomeric purity. |
| Residue on Ignition | Gravimetric Analysis | Ignition at 700-800 C followed by weighing of inorganic residue to assess non-volatile inorganic impurities. |
| pH of Solution | pH Meter Measurement | Measurement of pH in a defined aqueous solution (e.g., 1% w/v) using calibrated glass electrode pH meter. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, indicating purity and identity via comparison to literature value. |
| Microbial Limits | Membrane Filtration | Quantitative estimation of total aerobic microbial count and absence of specified pathogens per USP <61> and <62>. |
Technical Specifications of L-Proline benzyl ester hydrochloride
| Test Item | Specification |
|---|---|
| Appearance | Off-white solid |
| Purity | >=98.0% (HPLC) |
| Optical Rotation | -45.0 to -41.0 deg (c=1, in 1M HCl) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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 L-Proline benzyl ester hydrochloride
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of L-Proline benzyl ester hydrochloride
Safety Information of L-Proline benzyl ester hydrochloride
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of L-Proline benzyl ester hydrochloride
Industrial L-Proline benzyl ester hydrochloride 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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