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HS Code |
235217 |
| Name | L-Styrylalanine |
| Cas Number | 143608-65-1 |
| Molecular Formula | C11H13NO2 |
| Molecular Weight | 191.23 g/mol |
| Appearance | White to off-white solid |
| Melting Point | Approx. 175-177°C |
| Solubility | Slightly soluble in water |
| Optical Activity | [α]20/D +21° (c=1, H2O) |
| Purity | Typically ≥98% |
| Iupac Name | (S)-2-amino-3-(2-phenylethenyl)propanoic acid |
| Storage Conditions | Store at 2-8°C |
| Synonyms | L-2-Amino-3-(2-phenylethenyl)propanoic acid |
As an accredited L-Styrylalanine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for L-Styrylalanine (5 grams) consists of a sealed amber glass bottle with a tamper-evident screw cap and clear labeling. |
| Shipping | L-Styrylalanine is shipped in tightly sealed containers to prevent moisture absorption and degradation. It is transported under ambient conditions, avoiding extreme temperatures and sunlight. All packages comply with relevant chemical safety regulations, and appropriate labeling ensures safe handling during transit. Shipping documentation accompanies each order for regulatory and tracking purposes. |
| Storage | L-Styrylalanine should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry, and well-ventilated area, ideally at 2-8°C (refrigerated conditions). Ensure the storage area is free from incompatible substances such as strong oxidizing agents. Proper labeling and compliance with safety regulations are essential to maintain chemical stability and safety. |
Applications of L-Styrylalanine in Industrial ManufacturingL-Styrylalanine serves as a peptide synthesis building block and aromatic amino acid derivative with specialized performance in pharmaceutical and biotechnological manufacturing. Our production facilities provide this intermediate for several advanced industrial processes with strict quality and compliance control. Below, we outline key downstream sectors utilizing L-Styrylalanine in real-world applications, with technical insights for formulation, process flow, and end-product context. 1. Pharmaceutical Peptide SynthesisPharma-grade L-Styrylalanine functions as a non-canonical amino acid in synthetic peptide and modified peptide drug manufacturing. Its aromaticity and reactivity support the introduction of hydrophobic and photoreactive motifs for designer biologic APIs. Commercial peptide manufacturers select this intermediate for small and medium peptide batches destined for anti-tumor, imaging, and molecular probe pipelines. Handling must meet stringent regulatory and batch traceability criteria throughout multistep solid-phase peptide synthesis (SPPS) and solution-phase routes. Industry compliance standards
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2. Life Science Custom Reagent ProductionResearch reagent manufacturers incorporate L-Styrylalanine into designer oligopeptides and protein mimics for cell biology, protein engineering, and imaging markets. Its styryl side chain allows for incorporation of photo-crosslinking properties and unique chromophores, supporting customized product portfolios. Batch processing occurs in laboratory-scale reactors followed by analytical LC-MS validation. Industry compliance standards
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3. Biosensor and Diagnostic Raw Material SupplyBiosensor device makers use L-Styrylalanine to design functionalized peptide sequences acting as molecular recognition elements on sensor platforms. The styryl group’s chemical reactivity supports immobilization and specific photo-induced binding properties. This enables the assembly of sensitive detection units for real-time molecular analysis devices and point-of-care diagnostics. Precision and lot-to-lot consistency remain essential from raw input through sensor finalization. Industry compliance standards
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4. Materials Science – Photoreactive Polymer Additive ManufacturingPolymers and advanced materials developers exploit L-Styrylalanine to generate monomers and oligomers with photoreactive amino acid residues. These are used in resin formulations for functional coatings, patterned surface fabrication, and optoelectronic device prototypes. The unique side chain structure enables engineered crosslinking and spatial patterning under light exposure, supporting integrated material systems for next-generation electronics and biointerfaces. Custom process development tailors integration and polymerization step, prioritizing repeatability and reactivity profiles. Industry compliance standards
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5. Fine Chemical Intermediates for Specialty SynthesisProducers of advanced chemical intermediates employ L-Styrylalanine in multi-step synthesis of specialty compounds for pharmaceuticals, agrochemicals, and photoreactive agents. Its structure offers a scaffold for further derivatization, including chiral building blocks and conjugated molecules. Integration into synthetic schemes requires strict control over purity and reaction conditions, with production supporting downstream active components for innovation pipelines and pre-commercial sample delivery. Industry compliance standards
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On the production floor and in the lab, people often ask what makes L-Styrylalanine a standout among specialty amino acids. We've spent years working with customers in pharma, agrochemicals, flavors, materials research, and not all compounds draw the range of interest that styrylalanine does. Produced under tightly controlled conditions, our batches meet not just high purity standards but also the subtle requirements of those building complex molecules, where every atom counts.
Manufacturers see far more than a catalog number or CAS identifier. Every lot emerges from purposeful synthesis, always targeting a white to off-white crystalline powder—the hallmark of well-prepared L-Styrylalanine. HPLC purity values reach a typical threshold above 98%. Raw material selection, solvent handling, and reaction temperatures leave little room for shortcuts, especially during the key step coupling styrene to the alanine backbone.
Through repeated production campaigns, we've learned that certain process tweaks—like gradual heating under inert gas—make all the difference between a batch that cleans up easily and one that disappoints with side reactions or color contamination. Consistent melting point measurements, sharp infrared signatures, and tight optical rotation values show us we've hit the spec that research and development teams demand.
Our team talks with medicinal chemists chasing enzyme inhibitors, peptide designers making custom scaffolds, and polymer scientists chasing new physical properties. Across the board, projects often start with the need for a phenylpairing at the edge of the molecule. That’s where L-Styrylalanine adds value. The vinylphenyl side group creates a spot for pi-stacking, engages in specific hydrogen bonds, and welcomes further cross-linking or extension reactions unavailable with standard amino acids.
Drug developers reach for L-Styrylalanine to build non-natural peptides, especially where protein-protein binding depends on aromatic clusters. Synthesizing enzyme substrate mimics ramps up the effectiveness of experiments screening for selectivity. Over the years, we’ve also seen agrochemical researchers employ the molecule as a key intermediate, opening routes to novel bioactive compounds.
Polymer specialists find its conjugated side chain unlocks photoresponsive films and coatings. The rigid backbone translates into predictable mechanical behavior, while the aromatic extension gives unique electronic and optical properties. Not every amino acid supports cycloadditions or photopolymerizations; styrylalanine supplies that extra degree of synthetic freedom.
Plenty of amino acid derivatives look similar on paper, but subtle changes in molecular structure produce tangible outcomes in labs. Take phenylalanine: easily sourced and straightforward to handle, yet its non-conjugated side chain can’t offer the same level of reactivity. L-Styrylalanine—thanks to its vinyl extension on the phenyl ring—steps into a more reactive zone. It brings electronic delocalization, boosting its appeal for click chemistry, Diels-Alder applications, and fluorescence tagging.
Our teams compare runs using standard aromatic amino acids against series where we substitute L-Styrylalanine. Peptides incorporating our product show higher binding affinity for some receptors and create unique morphologies in self-assembling materials. The styrene part grants persistent pi-electron clouds, affecting both biological and material outcomes.
Solubility features also differ. L-Styrylalanine’s moderate water solubility—lower than basic amino acids but higher than many hydrophobic analogs—helps when preparing high-concentration samples for biophysical studies. Users rarely face the precipitation headaches associated with fully hydrophobic modifications, increasing the reliability of experimental set-up.
Over the years, we’ve refined our synthesis to balance throughput with quality. Not every route scales up smoothly: some give strong yields at gram-scale but struggle with impurities when moving past a few kilograms. Through pilot runs, we’ve settled on a modern approach—Heck coupling, bolstered by rigorous recrystallization—to yield a clean product with minimal side contaminants. In-house analytics pick up on tiny signals in NMR and HPLC, so we never let mediocre batches leave our site. Loss on drying tests, residual solvent checks, and particle size monitoring prevent downstream headaches in our customers’ workflows.
Experience teaches that reliable supply trumps theoretical maximum yield. Years of direct feedback push us to improve drying protocols, and minor adjustments to the purification line have made a real impact on shelf-life. Packaging also grew out of genuine field requirements: we introduced light-proof containers and high-barrier film liners after learning that long-term storage can shift material color or lead to surface caking. Lab managers request these changes, and we adjust—one more benefit of running our own production facilities instead of relying on third parties.
Chemical manufacturing never happens in a vacuum. Teams doing real synthesis work face solvent restrictions, emission targets, equipment bottlenecks, and operator safety. We invested in closed-system reactors and anti-static transfer systems to address these day-to-day realities. Every campaign yields not just product, but process data, so we make incremental improvements with each run—a lesson learned the hard way after some early missteps.
Market demand for high-purity, non-natural amino acids grows each year. Our technical support fields requests for variant forms and specialties like isotopic labeling or enantiomer enrichment. Because we handle synthesis in-house, our chemists develop bespoke solutions. More than once, we’ve tuned reaction conditions for a project needing a tighter enantiomeric excess or supplied custom analytical reports for regulatory review.
University spin-offs and global R&D groups spin up projects in areas ranging from photopharmacology to supramolecular assembly. We’ve seen multi-year collaborations blossom where the original request traced back to a single amino acid with the right tweak. L-Styrylalanine jumpstarts the pipeline—teams build libraries around it, hunting for candidates with better oral bioavailability, improved metabolic stability, or new ligand geometries.
Internal studies and external reports confirm that peptides containing styrylated residues stimulate unique secondary structures, sometimes fostering beta-sheet stabilization or introducing twists in alpha helices. In certain photo-responsive experiments, labs exploit the π-conjugation to turn on or off a biological response under light. Our supply reliability means research groups actually plan studies around compound availability, avoiding the dreaded project stall from missing specialty building blocks.
Feedback from process chemists in the field makes it clear: specification on paper means nothing if the physical material clogs a filter, or half the bottle clumps after storage. Labs mixing scale-up batches want to know what happens after a drum gets opened—and we design packaging, drying, and sieving routines with that in mind. Any deviation in particle size can jam up automated feeders, which led us to fine-tune granularity and offer more sieve options than are listed in most published protocols.
Pharmaceutical scientists focus on the impurity profile as critically as the main component. The manufacturing team adopted stricter in-process controls after trials revealed minor byproducts from catalyst leaching. Analyzed side-by-side with shipments from contract syntheses, our in-house batches outperform in both elemental analysis and trace metal content, especially for those scaling to pilot plant volumes.
Years back, specialty amino acids were niche—reserved for a handful of ambitious projects. Today’s competitive landscape drives down cycle times and expects specialty building blocks in inventory, not on a lead-time basis. Manufacturers running automated peptide synthesizers or developing screening decks depend on predictable order fulfillment and batch-to-batch consistency. It’s a deep shift from sourcing standard phenylalanine: the functional difference means L-Styrylalanine has a new role as both tool and raw material.
A key trend involves hybrid materials—peptides grafted onto polymers, surface-anchored biosensors, multilayered films—where every functional group matters. Styrylalanine’s reactive side chain opens access to surface modifications, post-assembly conjugations, and click-compatible reactions. We’ve watched demand swell in sectors pursuing medical devices, environmental sensors, and smart coatings—each with tight tolerances on purity, particle size, and residual solvents.
In this business, trust comes from solving headaches. One materials developer faced fouling in a deposition process; after consultation, we adjusted supply to offer a finer mesh and improved drying, solving their flow issue. Another customer reached out about lot-to-lot odor variance—investigation traced this to a subtle change in a supplier’s styrene feedstock. Shifting back to a proven source restored the desired profile. These fixes come from deep production knowledge, not abstract theory.
As direct producers, we spot pitfalls that paper specs rarely mention. In real runs, temperature gradients in crystallizers impact product color, solvent switch protocols affect loss on drying, and resin choice during purification alters both throughput and contaminant profile. Small differences matter—even glassware condition can affect optical activity. With control of every step, we set standards and accept feedback fast, something no third-party distributor can match.
Certifications and regulatory milestones—REACH, ISO, and pharma-grade appendices—don’t substitute for technical judgment. End-users in the field tell us that, despite near-identical paper values, performance varies widely batch to batch when sourcing from traders. Consistent particle morphology and well-documented impurity profiles beat the temptation of bargain prices, especially in regulated or high-sensitivity workflows.
Manufacturing isn’t solely about hitting a spec; it’s learning from real experience year after year. Running our own synthesis lines, we constantly adapt to subtle shifts in raw material quality, process feedback from scaling partners, and new data from customers. In the case of L-Styrylalanine, we keep strengthening purification and analytics, passing the benefits on to research and industry partners.
We don’t just sell into anonymous supply chains. Our team supports method development, application guidance, and troubleshooting, from lab scale to hundred-kilo campaigns. Customization emerges not from a form letter but from bi-directional partnerships: listening to a medicinal chemist’s challenge with racemization, advising on bulk material storage, or arranging delivery in inert gas-flushed drums for photolabile work.
Tough challenges—like low-yielding transformations, or the need for isotopically labeled variants—drive in-house trials. We’ve built flexible reactors and developed new workup protocols to supply both standard and customized L-Styrylalanine for peers pushing the edge of discovery. Experiments matter more than paperwork—it’s the repeated trials, failures, and small improvements that put real value in the final product.
Our access to proprietary process improvements, not just off-the-shelf technology, ensures quality does not drift over time, and users in regulated industries rely on our lot histories for audit trails. Trust grows over years, especially among biotech startups where a failed batch could mean a lost round of funding, or in national labs where one shipment enables a flagship publication.
From the factory floors to the R&D bench, the needs around specialty amino acids will only grow more complex. L-Styrylalanine already supports a wide spectrum of applications few could imagine a decade ago, and we commit to keeping pace. Our process chemists keep their eye on new catalyst systems and greener solvents, aiming to cut environmental burden while lifting output and purity. Each improvement filters into downstream results—crisper analytic data, more reliable scale-ups, fewer missed milestones for customers.
Field reports, customer data, and direct plant feedback form the backbone of our continuous improvement system. Lessons from one sector—from odor management in material science, to impurity control in pharmaceuticals—feed back into better L-Styrylalanine for all. The feedback loop never ends: a comment from one process engineer or QC lead often prompts a tweak that shows up in batches shipped around the globe the next quarter.
As chemists increasingly demand customization and adaptability, we respond by expanding our production options—more granularity choices, tailored drying, special pacakging for moisture- or light-sensitive builds. Large-scale research consortia and entrepreneurial startups alike now count on us for both technical expertise and responsive supply.
Manufacturing L-Styrylalanine is not just an exercise in chemistry; it means meeting people’s real-world challenges with chemistry that works. Each improvement—analytic, logistical, or technical—translates into stronger results at the bench, in the plant, and in the marketplace. As industries evolve, demand sharper control on starting materials, and push for new functionalities, we continue shaping our production and support to ensure L-Styrylalanine remains a trusted foundation in advanced synthesis.