D-TYROSINE ETHYL ESTER HYDROCHLORIDE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 23234-43-7 |
| Product name | D-TYROSINE ETHYL ESTER HYDROCHLORIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeIndustrial GradeSpecialty 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 D-TYROSINE ETHYL ESTER HYDROCHLORIDE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk D-TYROSINE ETHYL ESTER HYDROCHLORIDE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of D-TYROSINE ETHYL ESTER HYDROCHLORIDE
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical R&D | Intermediate synthesis | Used in the synthesis of peptide-based drugs as a chiral building block to introduce tyrosine structure |
| Biochemical research | Biochemical reagent | Applied as a labeled compound in enzyme substrate studies or metabolic pathway tracing experiments |
| Organic synthesis | Chiral synthetic building block | Employed as an optically active starting material or auxiliary in asymmetric synthesis |
Manufacturing Quality Control of D-TYROSINE ETHYL ESTER HYDROCHLORIDE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantitative determination using reverse-phase HPLC and UV absorbance at 210-220 nm against a certified reference standard. |
| Chiral Purity | Chiral HPLC | Separation of D- and L-enantiomers on a chiral stationary phase, with UV detection for enantiomeric excess calculation. |
| Loss on Drying | Gravimetric method (105 C, 2 h) | Measurement of mass loss after drying under controlled temperature and time to determine volatile content including residual solvents and moisture. |
| Residual Solvents | GC-FID | Quantification of common organic solvents (e.g., ethanol, ethyl acetate) using gas chromatography with flame ionization detection and external calibration. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of heavy metals (Pb, Cd, Hg, As, Cr) by inductively coupled plasma optical emission spectrometry after acid digestion. |
| Chloride Content | Potentiometric titration with AgNO3 | Titration with silver nitrate using a silver indicator electrode to determine chloride ion concentration from the hydrochloride salt. |
| pH (1% aqueous solution) | pH meter measurement | Determination of acidity in a defined aqueous solution using calibrated pH electrode and buffer standards. |
| Specific Optical Rotation | [alpha]D measurement | Measurement of plane-polarized light rotation in solution at 20 C using sodium D-line (589 nm) to confirm chiral identity and purity. |
| Related Substances | HPLC with gradient UV detection | Detection and quantification of structurally related impurities (e.g., D-tyrosine, tyrosine ethyl ester free base, diethyl ether derivatives) using gradient elution and UV detection. |
| Water Content | Karl Fischer titration | Volumetric or coulometric determination of total water content based on iodine-sulfur dioxide reaction stoichiometry. |
| Appearance | Visual inspection | Assessment of physical state, color, and clarity of solid material against established reference standards under controlled lighting. |
| Microbial Limits | Membrane filtration and plate count | Quantification of aerobic microorganisms and absence of specified pathogens (e.g., E. coli, S. aureus) per pharmacopeial guidelines. |
Technical Specifications of D-TYROSINE ETHYL ESTER HYDROCHLORIDE
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 168–172°C |
| Optical Rotation | -24.5 to -23.5° (c=1, in 1M HCl) |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
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 D-TYROSINE ETHYL ESTER HYDROCHLORIDE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of D-TYROSINE ETHYL ESTER HYDROCHLORIDE
Safety Information of D-TYROSINE ETHYL ESTER HYDROCHLORIDE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of D-TYROSINE ETHYL ESTER HYDROCHLORIDE
Industrial D-TYROSINE ETHYL 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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