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HS Code |
451395 |
| Chemical Name | Alpha-Methyl-L-P-Tyrosine |
| Synonyms | AMPT, α-Methylparatyrosine |
| Molecular Formula | C10H13NO3 |
| Molecular Weight | 195.22 g/mol |
| Cas Number | 1088-22-2 |
| Appearance | White crystalline powder |
| Solubility | Soluble in water |
| Melting Point | 165-168°C |
| Storage Conditions | Store at 2-8°C |
| Usage | Inhibitor of catecholamine synthesis |
| Pubchem Cid | 1674 |
As an accredited Alpha-Methyl-L-P-Tyrosine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White, sealed HDPE bottle labeled "Alpha-Methyl-L-P-Tyrosine, 25g" with hazard symbols, lot number, and manufacturer details prominently displayed. |
| Shipping | Alpha-Methyl-L-P-Tyrosine is shipped in tightly sealed containers, protected from moisture and light, and typically packaged in compliance with all relevant chemical safety regulations. Appropriate hazard labeling is applied, and shipping is conducted via certified carriers. Temperature control may be used to ensure chemical stability during transit. |
| Storage | Alpha-Methyl-L-P-Tyrosine should be stored in a tightly sealed container, away from light and moisture, in a cool, dry, and well-ventilated area. Avoid storing near incompatible substances, such as strong oxidizers. Recommended storage temperature is typically 2–8°C (refrigerated). Ensure the container is clearly labeled, and access is restricted to trained personnel to maintain safety and chemical stability. |
Applications of Alpha-Methyl-L-P-Tyrosine in Industrial ManufacturingAlpha-Methyl-L-P-Tyrosine is a specialty amino acid derivative with precise applications in regulated downstream industrial sectors. As a manufacturer, we observe its adoption primarily in clinical research reagents, pharmaceutical intermediate synthesis, psychiatry-related specialty APIs, and analytical reference standards. Each scenario listed below outlines compliance standards, formulation ratios, integration stages, and concrete end products based on current industrial usage. 1. Clinical Research Reagent ManufacturingIn biotechnological and clinical research laboratories, this compound functions as a critical intermediate for the preparation of experimental agents studying catecholamine biosynthesis pathways and metabolic regulation. Its purity specification directly affects work involving dopaminergic system assays, and its use is closely monitored under strict laboratory compliance, with precise measurement to maintain assay validity. Industry compliance standards
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2. Pharmaceutical Intermediate for Catecholamine Inhibitor Active IngredientsManufacturers of bulk Active Pharmaceutical Ingredients (APIs) for rare or investigational neurological drugs employ this raw material at precisely controlled stages of synthesis. Focused on niche formulations targeting catecholamine biosynthesis disorders, it plays a defined role in specialty drug pipelines where traceability and strict pharmacopoeial compliance remain mandatory. Industry compliance standards
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3. Analytical Reference Standards for Pharmaceutical QA/QCAnalytical laboratories producing certified reference standards for pharmaceutical industry QA/QC processes use this molecule as a benchmark for calibrating and validating LC-MS and HPLC analysis of amine-related drug compounds. Its trace certifiable quality is essential for laboratories conforming to pharmacopeial and regulatory requirements for analytical release and stability testing. Industry compliance standards
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4. Preclinical Psychiatry Research CompoundsSpecialty research organizations and pharmaceutical developers include this material in preclinical compound libraries to explore mechanisms linked to psychiatric conditions such as phenylketonuria or acute catecholamine imbalance. Dosage and process strictly follow trial protocols, focusing on animal study compounds and investigational substances rather than direct therapeutic products. Industry compliance standards
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Decades of large-scale synthesis have taught us that consistency in active pharmaceutical ingredients not only defines downstream results, but also strengthens confidence for formulation scientists and manufacturers alike. Alpha-Methyl-L-P-Tyrosine, or AMPT, serves as a perfect example of how careful control over synthesis, purification, and packaging drives value for discerning customers. In our facilities, every production run draws from years of technical refinement. We optimize process routes to control for chirality, particle size, and purity. We monitor for trace-level cross-contaminants. Handling AMPT presents distinct engineering challenges, particularly at larger scales. Bulk stability depends on underlying process rigor, and performance in application depends on both physical and chemical properties that often vary batch to batch among low-tier suppliers. We do not compromise. Our AMPT comes with a clear and repeatable purity profile, and every shipment includes complete spectral data to support downstream formulation.
Alpha-Methyl-L-P-Tyrosine, known in pharmaceutical science as a tyrosine hydroxylase inhibitor, presents a structure with significance for biochemical research and select therapeutic preparations. The methyl group on the alpha position gives it a distinct biochemical profile compared to tyrosine or para-tyrosine. This difference, which looks subtle on paper, makes all the difference in biological pathways, especially in studies requiring precision metabolic modulation. Over the years, we've seen well-intentioned researchers lose months because of slight impurities or stereochemical inconsistencies from bulk-trade sources. Each chiral center in our AMPT undergoes verification using both HPLC and polarimetry, guaranteeing that clients receive the optical isomer essential for translational research and manufacture.
Scaled manufacturing of chiral amino acids like Alpha-Methyl-L-P-Tyrosine exposes every flaw in equipment and process. Only dedicated infrastructure and tightly documented protocols keep racemization and byproducts firmly under control. While some may take shortcuts by sourcing intermediates through uncontrolled markets, our approach keeps the process domestic from start to finish. Our model AMPT-98L-P delivers purity not just in percentage on a spec sheet, but backed by traceability records stretching back multiple years. High-grade glass reactors limit contamination. Our post-reaction purification line uses repetitive crystallization and ion-exchange, always designed for high-throughput with no compromise in enantiomeric excess. On the analytical side, we use mass spectrometry, NMR, IR, and detailed chiral chromatography for every release. Overblown claims about “superior” purity from resellers often do not hold up to such scrutiny. When labs and manufacturers demand consistent retention times, high solubility standards, and direct compatibility with demanding downstream applications, real lab data always speaks louder than marketing spin.
Clients often approach us from pharmaceutical research, clinical manufacturing, academic laboratories, or animal health sectors. Each end use brings robust requirements. In neurochemical research, for instance, AMPT’s role as a catecholamine depletor makes it integral for studies on dopamine pathway modulation or behavioral neuroscience. In preclinical testing, animal welfare hinges on clean, unreacted product, without residual solvents or colorants. One of our longstanding partners recounted the difference between demonstration-scale studies plagued by inconsistent powder and the streamlined trials achieved after switching to our AMPT. Precision and transparency in raw material always simplify troubleshooting and documentation, especially under cGMP or GLP guidelines. Some of our industrial customers require kilogram-to-ton batches on a strict schedule, no tolerance for batch drift or incomplete dissolution. Contract partners in generics manufacturing appreciate how our AMPT’s specific rotation remains tightly within pharmacopoeial limits, and how solubility characteristics remain unchanged from batch to batch over hundreds of kilograms. The smooth operational flow reflects not only what’s in the drum, but also decades of refining upstream process control and downstream logistics.
We see a continual stream of questions about substitutes and close analogues. The comparison between AMPT and other tyrosine derivatives often starts with optical purity and ends with functional group stability. Some labs find out the hard way that racemic blends—even those sold as “high-purity”—give erratic results in animal studies. Only enantiomerically pure Alpha-Methyl-L-P-Tyrosine, properly certified, maintains predictable bioactivity. Process engineers notice the fine margin separating a free-flowing, moisture-stable powder from low-grade material clumping in warehouse humidity. Purity matters, but solubility and residual solvent profile matter equally for reliable filling, blending, and tableting. Over the years, tracer analyses of competitive samples have revealed low-level solvents, byproducts, or miscibility problems not visible to the naked eye. Experienced operators can often feel the difference in texture and dissolution speed when verifying incoming stock, long before HPLC data confirms it. With our AMPT, what ships meets these basic laboratory and manufacturing markers—batch after batch, year after year.
Rather than filling web pages with placeholders or sales talk, we open our labs to customers and share our analytical records on demand. This translates to full traceability: mass spectra, NMR data, FTIR profiles, residual solvent panels, particle size distribution, and direct microbial load figures accompany every lot. For the common AMPT-98L-P grade, typical analysis demonstrates at least 98% HPLC-determined purity with less than 0.1% combined impurities, non-detectable heavy metals, and water content kept below 0.3% by Karl Fischer titration. Granulation and bulk density range within known parameters, supporting trouble-free scale-up. Some of the world’s tightest regulatory agencies scrutinize our documents, prompting continual improvement. Customers appreciate transparency when regulatory submissions hinge on supplier documentation; every aspect of our process—from raw input audit through to release testing—remains available for review and sample audit. This habit grew from hard experience: projects postponed at the last moment due to incomplete or unverified certificates forced us to set our standards above the industry baseline.
Much investment has gone into packaging systems that maintain product integrity from our dock to yours. Bulk material arrives in laminated multi-layer containers, often within nitrogen-purged liners sealed under controlled atmosphere. For small research quantities, powder is dispensed in glass bottles or sterile polymer containers under ISO-classified cleanroom conditions. The importance of proper packing became clear years ago during the rollout of new humidity-sensitive APIs, when even brief exposure to ambient air risked substance degradation and batch loss. We saw first-hand how simpler plastic bags or single-layer drums could compromise material stability under transit stress, especially across hot or damp shipping corridors. With AMPT, no batch sits warehoused for extended periods. We integrate just-in-time synthesis with rapid-lot release, ensuring that even distributors receive relatively fresh inventory with a documented production and stability window. Labelling is clear, non-ambiguous, and ties directly to batch release documents. Our packaging partners have learned, over years of collaboration, that drug precursors and laboratory ingredients must never share space with industrial-use or food-contact materials, ensuring cross-contamination remains a non-issue across the supply chain.
Supply disruptions in the specialty chemical industry reflect more than logistics bottle-necks; they are often a symptom of weak origins, undocumented secondary sourcing, or unreliable intermediaries. Our AMPT is never repacked bulk from unknown sources. From the backbone precursors—sourced from fully vetted primary suppliers—through the final purification and packaging, our plant controls every critical stage. We scrutinize changes in process methodology, and keep documented change histories for every upstream reactant and processing aid. Several years ago, when tightening environmental standards threatened common synthetic routes, we redirected significant R&D budget toward greener catalytic systems and solvent recovery. By investing in continuous flow chemistry where appropriate, we not only limit waste, but stabilize production yields and reduce both energy consumption and water use per kilogram of AMPT. When you work on the manufacturing side, these investments translate into greater reliability for formulators and supply chain managers alike. There is always pressure to cut corners—on raw input quality, reaction time, or waste management. We have seen, too often, how these shortcuts undermine both product quality and long-term brand reputation. Our clients, after seeing too many missed deadlines or quality excursions with commodity-sourced AMPT, return for the transparency and predictability that only integrated manufacturing can consistently provide.
Alpha-Methyl-L-P-Tyrosine shipment stands or falls based on its regulatory compliance and proven audit trail. Across regions, registration and approval depend on full disclosure of synthetic steps, controls on chiral purity, impurity profiling, and packaging validation. Our team built procedures shaped by repeated hands-on audits from international regulatory authorities and partner clients. Certificates of analysis accompany not only our main product, but also precursor and byproduct streams when needed, supporting “chain of custody” documentation up to the highest publishing standards. This diligence avoids problems seen with traders unwilling or unable to share step-by-step audit details. We safeguard our own process IP—not by secrecy, but by predictive documentation that preempts issues at the regulatory and practitioner level. Customers do not simply require “compliance” on paper; they require documented responsiveness when clinical timelines or scale-up trials impose real-world pressure. Our submission support team, entirely based in-house, has dealt directly with regulatory authorities in multiple continents, ensuring both language clarity and full concordance with local requirements. Rarely do resellers offer this kind of ongoing, technical support, rooted in subject-matter familiarity across years of active manufacturing.
Shifts in global science have altered both demand patterns and quality expectations. Years ago, routine batch failures sometimes pushed entire research programs back several months; those delays signaled a wider supply problem in specialty amino acids and precursors. We refined our approach in direct response, investing both in process automation and predictive analytics. One example: our switch to batch-tracked, lot-controlled input ultimately cut unnecessary variability by over 60% in final bioactivity tests. Customers’ success relies on invisible foundations—sourcing, process, handling, and validation—built day after day on the shop floor and in the QC lab. The “real chemistry” happening before a single drum ships matters just as much as what goes on in a university or pharmaceutical cleanroom. Mistakes—like relaxing storage temperature guidelines or skipping a purification stage—don’t show up immediately, but lead to months of unpredictable downstream problems. We encourage regular customer feedback, even for minor irritations, as these reports point our team toward practical, user-centric process improvements that theoretical modeling alone never reveals.
Many in the industry mistake AMPT as a plug-and-play item, easily swapped between sources. Experience tells a different story. Batch-to-batch reproducibility for this compound across different lots can influence both research outcomes and industrial productivity. Process engineers and lab technicians know: a poorly manufactured AMPT introduces uncertainty, whether in formulation stability, shelf-life prediction, or critical impurity masking. Our focus remains deliverability and traceability. Building on experience, we aim not just for higher sale volumes, but for deeper partnerships where clarity around substance—specification, packing, analytics, and root-level production—means everything. Pharmaceutical and research partners trust us because we answer technical queries factually, take responsibility for upstream and downstream quality, and adapt our processes based on transparent feedback. That approach marks the difference between a manufacturer and a mere trader. What you see in our batch folders, analytical runs, and shipment histories stands as our promise—not just on web pages, but in each sealed drum and crate leaving our site.
Meeting rising expectations—regulatory, scientific, operational—requires more than gradual improvement. We regularly reorganize production footprints, adapt new monitoring technologies, and record performance trends for both internal benchmarking and future scale-ups. Our continuous improvement cycle draws not from theory, but from deep engagement with end users, regulatory advisors, and line operators who monitor every run in real time. Failures and successes alike drive our next generation synthesis pipeline. Whether the challenge revolves around improved yield, further impurity reduction, or more robust bulk handling, we commit to an open-door policy for feedback and technical audits. Alpha-Methyl-L-P-Tyrosine typifies that journey—constantly reflect on what works and why, revisit fundamentals, and never stop raising the bar in standards for the next round of users. By staying close to real-world application, we keep innovation directed, relevant, and—above all—trustworthy.