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HS Code |
803711 |
| Product Name | Ethyl L-Tyrosinate Hydrochloride |
| Cas Number | 6269-89-4 |
| Molecular Formula | C11H16ClNO3 |
| Molecular Weight | 245.70 g/mol |
| Appearance | White to off-white crystalline powder |
| Solubility | Soluble in water |
| Purity | Typically ≥98% |
| Melting Point | 120-124°C |
| Storage Conditions | Store at 2-8°C, protected from light and moisture |
As an accredited Ethyl L-Tyrosinate Hydrochloride factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Ethyl L-Tyrosinate Hydrochloride, 5g, is packaged in a sealed amber glass bottle with tamper-evident cap and clear labeling. |
| Shipping | Ethyl L-Tyrosinate Hydrochloride is shipped in tightly sealed containers, protected from moisture, light, and extreme temperatures. Packaging complies with chemical safety regulations, ensuring secure transport. Appropriate labeling, documentation, and handling instructions are included to maintain product integrity and meet legal shipping requirements. Expedite shipping is recommended to prevent degradation. |
| Storage | Ethyl L-Tyrosinate Hydrochloride should be stored in a tightly sealed container, protected from light and moisture, in a cool, dry, and well-ventilated area. Recommended storage temperature is 2–8°C (refrigerator). Keep away from incompatible materials such as strong oxidizing agents. Ensure proper labeling and handling, and avoid prolonged exposure to air to maintain chemical stability and integrity. |
Applications of Ethyl L-Tyrosinate Hydrochloride in Industrial ManufacturingEthyl L-Tyrosinate Hydrochloride serves as a critical intermediate and functional additive in several specialized manufacturing sectors. As a direct producer, we supply to industries where process consistency, compliance, and technical differentiation are essential for advanced formulations and high-value finished goods. 1. Pharmaceutical Peptide SynthesisManufacturers of peptide-based therapeutics rely on this intermediate for solid-phase peptide synthesis (SPPS), especially when the introduction of protected tyrosine residues with customized solubility or reactivity is necessary for downstream coupling. Ethyl L-Tyrosinate Hydrochloride provides precise functional group compatibility, supporting process yields and peptide purity during scale-up and GMP-compliant batch production. Industry compliance standards
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2. Biosynthetic Research and Diagnostic Reagent ManufacturingProducers of biosynthetic research kits and diagnostic reagents use this raw material as a protected tyrosine source to achieve enhanced stability and reactivity profiles. Its role is crucial in synthesizing bioconjugates, enzyme substrates, and custom labeling agents used in molecular assays and advanced in vitro diagnostics. Industry compliance standards
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3. Chiral Intermediate for Agrochemical Active Ingredient SynthesisIn the agrochemical sector, formulators depend on this chiral intermediate to access tyrosine-derived core structures, primarily for the synthesis of specific non-proteinogenic amino acid herbicides and growth promoters. Its chemical properties support precise control during enantioselective coupling and downstream formulation for crop protection agents. Industry compliance standards
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4. Food-Grade Amino Acid Derivative Blends for Nutritional SupplementsManufacturers producing specialty nutritional supplements and functional foods employ this material as a protected amino acid building block to achieve high-purity L-tyrosine derivatives, reducing off-taste and supporting controlled-release matrix formulations. This ingredient is selected for its stability during granulation and microencapsulation processes in high-spec nutraceuticals. Industry compliance standards
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5. Specialty Polymer and Resin ModifiersProducers in the specialty polymer and resin industry utilize this intermediate as a functional monomer precursor to introduce amino acid residues that modify mechanical or optical properties. Typically, formulators leverage the ethyl-protected tyrosine to achieve selective cross-linking, UV-responsivity, or improved hydrophilicity in high-performance materials. Industry compliance standards
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Ethyl L-Tyrosinate Hydrochloride opens up a distinct avenue in fine chemical production, reflecting years of steady research and application experience. From a manufacturer’s perspective, our daily work involves transforming high-purity L-Tyrosine into this ethyl ester hydrochloride with care for each step. With a chemical formula of C11H16ClNO3 and a consistent molar mass, this compound has proven reliable for labs engaged in advanced synthesis, peptide building, and pharmaceutical intermediate development.
Manufacturing brings real, tangible challenges—batch reproducibility, minimizing byproduct, maintaining optical purity. Each day in the plant, shifts run quality checks for stereochemistry and residue solvent levels. In practice, we have to weigh the cost of high-purity solvents against batch integrity. Through years of production, tight in-process controls and tailored purification methods give our Ethyl L-Tyrosinate Hydrochloride some advantages over common alternatives.
Scaling from a lab flask to hundreds of kilos per lot doesn’t follow a straight line. Process bottlenecks emerge. Stirring speeds, cooling rates, and moisture exclusion all change subtly as quantities rise. Our operators, with hands-on knowledge from countless production runs, often spot issues only visible in larger reactors. Crystal morphology shifts with ambient humidity and solvent lot. We’ve spent years mapping out these behaviors, knowing that weak points in crystallization can cause headaches down the line.
As we scaled up, continuous feedback loops with our QC analytics helped improve overall system reliability. In the past, we tried different solvent systems for esterification and neutralization, but ended up standardizing based on analytical trends, not just tradition. We monitor chiral purity by HPLC—one of the areas where smaller resellers sometimes slip. Direct factory experience shows the stability and yield relationships between process controls and final purity.
Our Ethyl L-Tyrosinate Hydrochloride consistently meets purity levels above 98% by HPLC, with water content closely managed by optimized drying methodologies. This often means taking extra hours for drying, not cutting corners by using aggressive vacuum alone. For customers who have faced regular moisture creep in competing products, our manufacturing record keeps confidence high. Optical rotation tests on each lot confirm retained stereochemical integrity—our customers in peptide manufacturing know firsthand the effects even minor racemization can have downstream.
Each batch also undergoes thorough checks for heavy metals and residual solvent levels, with real records archived per lot. While rivals sometimes push out batches with broader tolerance windows, our daily benchwork demonstrates why each parameter matters. Any bump in residual acid, for example, plays out later in solid-phase syntheses, a lesson learned from early process missteps years ago.
Researchers and industrial chemists bring different priorities when ordering our Ethyl L-Tyrosinate Hydrochloride. Biotech clients, especially those developing new peptidomimetics, rely on sharp consistency. A small drift in quality can ripple through weeks of synthetic work and strain downstream purification. Our product enters the pipeline as a protected amino acid source, where the ethyl group shields the core structure through subsequent transformations. The hydrochloride salt improves handling and solubility over non-salt forms, a practical advantage when you see lab staff weighing out doses.
In peptide synthesis, our product serves as an essential intermediate, offering easier coupling reactions compared to unprotected L-Tyrosine. Formulation development in pharmaceutical lines also gets a boost, since side reactions drop when the hydrochloride salt form is chosen. Feedback from our customers over the years has led us to tweak physical form, choosing crystallization points leading to free-flowing powders that minimize caking in storage—an ongoing concern for both large and small-scale users.
Direct manufacturing experience has taught us the difference between theory and practice. Some distributors offer numerous amino acid esters from dozens of sources, but variability in supply chains can impact product performance. We see these effects sharply at scale. When trying other market offerings, we have come across varying color, particle sizes, and significant inconsistency in physical properties—even among lots from the same supplier. Some contain higher chloride content than claimed, leading to side effects in peptide work. Others introduce excess organic solvent residues, which can mess with sensitive transformations downstream.
For synthetic chemists, using a material with batch-to-batch drift means wasted labor and troubleshooting. Our on-the-ground production experience leads us to minimize these uncertainties. Familiar competitors may streamline their process to shorten lead time, but we routinely invest in longer crystallization and drying phases, choosing long-term customer trust over shaving a few days from batch time. The approach sometimes adds to manufacturing cost, but we consistently hear from users that reliability and predictable performance more than justify it.
Ethyl L-Tyrosinate Hydrochloride is often compared with methyl and tert-butyl esters of L-Tyrosine, as well as the unprotected acid itself. Based on internal trials and customer feedback, the ethyl ester offers a practical balance. The methyl ester hydrolyzes more rapidly, which can lead some chemists to prefer it for faster reactions, but it sometimes sacrifices yield if storage or handling takes longer than planned. Tert-butyl protection can bring new selectivity but introduces additional synthetic steps and cost.
Compared with free L-Tyrosine, the ethyl ester hydrochloride handles better in moisture-rich labs, stays free-flowing longer, and simplifies many peptide routines. Its melting point and crystal structure allow smoother weighing, almost eliminating static-related losses common with lower molecular weight analogs. Our facility regularly tests physical form: clumping and dusting do not just waste time, they increase handling risk. Over the years, our equipment investments have paid dividends in producing a manageable, repeatable solid that customers appreciate.
Clients working with our Ethyl L-Tyrosinate Hydrochloride expect more than a specification sheet and certificates. Our technical team supports genuine troubleshooting—sometimes reviewing chromatograms together, sometimes advising on storage and re-drying. Seasoned process chemists in our factory know the pathways that generate known impurities, helping us troubleshoot quality claims directly rather than passing them along.
Years ago, a client reported unexplained high system pressure during peptide coupling. Drawing on our own experience, we traced it back to trace acid residues—a fix in the drying process cleared the issue. Meeting regulatory and quality audit criteria is standard, but constant improvement comes from active user feedback. Our documentation package includes real chromatography, IR spectra, and batch records for transparency. We aim for open dialogue, not just another sale.
The market for amino acid derivatives often splits between high-volume, generic-grade material and boutique, ultra-pure lots with narrow target audiences. Some traders stockpile bulk esters, repackage, and rebrand, but this route introduces storage risks and variable shelf life. Reports of yellowing, caking, and odd odors with some resellers’ products are not uncommon. Industry knowledge and direct plant handling keep our batches fresh, as material does not linger unsold. Our scale supports both small pilot orders and ton-level supply, and each leaves the plant with an up-to-date test record.
Direct feedback from synthetic labs carries weight with our production managers. Through these channels, we hear about failed couplings, residue build-up, or stability drops seen in alternate brands. Unlike third-party traders, immediate local action—from cleaning tanks to re-running batches—keeps problems small. With each cycle, this feedback drives process improvements and better results for the next order.
Chemical manufacturing faces environmental pressure everywhere. For our Ethyl L-Tyrosinate Hydrochloride, we have worked over years to reduce total solvent usage, improve heat recovery, and treat process waste streams onsite. Sourcing renewable feedstocks remains a tough challenge, especially for specialty syntheses, but we have shifted cleaning protocols to reduce the need for legacy harsh solvents, reducing operator exposure risk. Regular team retraining keeps up with evolving best practices. The push from regulatory and market-side demand for cleaner and safer operations has only deepened our determination to keep improving.
Our site management team tracks waste volumes, water use, and energy loads in parallel with output; progress depends on data, not just policy. Choosing safer reagents and seeking out less toxic alternatives serve not only compliance, but day-to-day well-being for operators, many with decades of loyalty. Longstanding relationships with nearby recyclers also help recover byproducts or treat hazardous streams that otherwise would land in landfills. The route to consistently safer chemical production never ends, but lessons from years in operation continually shape daily decisions.
Shifting research priorities among our clients find a partner in our team’s flexibility. Some projects call for bulk Ethyl L-Tyrosinate Hydrochloride in large drums. Others need small, customized lots for early-phase research. We keep inventories at several storage points, ready to match expected demand cycles. Direct manufacturer status allows us to respond fast to special requests, like seeking alternative packaging or developing a higher-purity version for a particularly demanding protocol.
That field-based approach means our chemists and commercial team talk through both obstacles and opportunities daily. Changes in starting material purity, regulatory shifts in importing countries, or even a discovery of new downstream application—all these get considered rapidly thanks to our vertical setup. Over the years, we witnessed how slow-moving distributors lose the window to fix or react, but our direct plant control removes that lag. Customers stay in touch with people who really know the technical roots of the compound.
Through the years, we’ve learned that reliable Ethyl L-Tyrosinate Hydrochloride supply, controlled manufacturing, and open customer dialogue create lasting industry relationships. Small process adjustments, investment in people and plant, and attention to each customer’s unique context bring real performance improvements—these do not show up on standard spec sheets. Differences from other products become clear not in the catalog but in hands-on usage, where clean, reliable materials support demanding work in pharmaceuticals, biotech, and academic labs.
Ongoing partnership with research and process chemists sharpens our manufacturing process. New input, whether requests for technical tweaks or lessons from field failures, shape continuous development. Our aim is not just to offer Ethyl L-Tyrosinate Hydrochloride, but to deliver a product whose behind-the-scenes rigour is apparent in every reaction flask and peptide column run. We will keep investing in new process controls, improved environmental footprint, and genuine support, because decades in specialty chemical manufacturing have shown us these earn loyalty and real-world results.