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HS Code |
395055 |
| Name | (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid |
| Cas Number | 149056-68-6 |
| Molecular Formula | C5H12NO5P |
| Molecular Weight | 197.13 |
| Appearance | White to off-white powder |
| Purity | Typically ≥98% |
| Solubility In Water | Soluble |
| Ph | Acidic in aqueous solution |
| Chirality | S-configuration (L-enantiomer) |
| Iupac Name | (S)-2-amino-2-methyl-4-phosphonobutanoic acid |
| Synonyms | L-AP4, L-(+)-AP4, L-2-amino-4-phosphonobutyric acid |
| Storage Temperature | 2-8°C (refrigerated) |
| Chemical Class | Amino acid derivative (phosphonic acid analog) |
| Application | Metabotropic glutamate receptor agonist |
As an accredited (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White HDPE bottle, tightly sealed, labeled with hazard warnings, containing 25 grams of (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid, desiccant included. |
| Shipping | (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid is shipped in a tightly sealed, chemically-resistant container to prevent contamination and moisture ingress. The package is clearly labeled, handled according to safety regulations, and accompanied by the appropriate Safety Data Sheet (SDS). Temperature and protective measures depend on specific storage requirements and shipping destination. |
| Storage | (S)-2-Amino-2-methyl-4-phosphonobutanoic acid should be stored in a tightly sealed container, protected from light and moisture. Keep it in a cool, dry place, ideally at 2–8°C (refrigerated). Avoid exposure to heat, strong acids, or bases. Ensure the storage area is well-ventilated and complies with chemical safety regulations. Label the container clearly and store separately from incompatible substances. |
Applications of (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid in Industrial ManufacturingAs the direct manufacturer of (S)-2-amino-2-methyl-4-phosphonobutanoic acid, we support a range of advanced B2B downstream sectors where enantiomerically pure amino-phosphonate analogues play an essential role in high-precision synthesis and analytical applications. We faithfully align our production and quality management with the requirements of real industrial customers, enabling consistent formulation integration and regulatory compliance in each segment. Below, we detail the leading application scenarios based on documented industry practice and verified end-user adoption. 1. Pharmaceutical Intermediate in CNS Drug DiscoveryDrug innovation platforms evaluating glutamate receptor antagonists frequently employ this compound as a highly selective ligand for structure-activity relationship (SAR) studies, particularly during the synthesis of neuroprotective agents and NMDA receptor modulators. Formulators value the molecule for its chiral purity, which allows them to distinguish subtype selectivity in pre-clinical research, directly affecting compound optimization and pharmacological profiling. Industry compliance standards
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2. Analytical Reagent for Neuroscience ResearchSpecialized research institutions and neurobiology laboratories use this phosphonated amino acid as a quantitative marker for the characterization and calibration of synaptic transmission experiments based on glutamatergic signaling. Owing to its competitive action and stability, it often enters protocols for defining metabotropic receptor pathways and serves as a comparator for endogenous agonists and antagonists in both in vitro and ex vivo studies. Industry compliance standards
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3. Chiral Building Block for Custom Peptide SynthesisPeptide synthesis companies incorporate this amino-phosphonate analogue as a non-proteinogenic residue to investigate structure–activity relationships, enhance metabolic stability, or confer phosphonate mimicry in therapeutic oligopeptides. This approach is integral to the development of peptidomimetics intended for improved receptor binding or as tools in chemical biology. Its optical and chemical purity is critical to downstream application success. Industry compliance standards
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4. Reference Standard in Receptor Binding AssaysContract research organizations (CROs) and reference analytics labs use this high-purity compound as a primary or secondary standard for quantifying glutamatergic ligand binding in in vitro receptor occupancy studies, both for academic research and early-stage drug screening. Its well-defined chiral and functional properties offer reliable control point for method validation and comparative bioassays. Industry compliance standards
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5. Precursor for Bioactive Phosphonate DerivativesResearch centers and industrial R&D teams utilize this compound as a starting material for site-specific derivatization, leading to bioactive phosphonate analogues with applications in both medicinal chemistry and agrochemical lead exploration. Its structural framework supports the introduction of labels, reporter groups, or bioisosteres, expanding chemical space for patentable candidates where metabolic stability and molecular recognition are key discovery drivers. Industry compliance standards
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Producing (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid, sometimes called (S)-AMPB or SCPB, means dealing hands-on with every molecule that leaves our facility. Having spent years refining the process, we have come to recognize critical differences that shape the value of this compound for our partners in research and industry. Laboratories and production plants come to us with high expectations, and our responsibility stretches far beyond shipping a tub of white powder labeled with an arcane name. Quality in this context grows from process choices, raw material stewardship, and years spent listening to feedback from bench scientists and industrial engineers alike.
Every batch starts with rigorous checks on the purity of our precursor amino acids and phosphorus sources. Our process eliminates side products by maintaining controlled reaction conditions and using high-purity solvents. We have brought down the typical impurity level to trace amounts—regular chromatographic profiles tell the story, and you can see the single, consistent main peak. Moisture content often raises concerns; improper storage or rushed production can let in water, degrading the product. We seal all shipments under inert conditions. Color and texture become telling indicators: we do not tolerate any discoloration, agglomeration, or evidence of crystal damage. The powder shows a uniform, crisp white appearance, and those who have dealt with variable material from third parties know how frustrating off-kilter batches can be.
(S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid comes in a range of mesh sizes, dictated by customer application. For analytical uses, finer powders dissolve quickly and completely, avoiding undissolved fractions that can throw off spectrometer readings. In pilot-scale or commercial synthesis, a slightly coarser grade can aid in handling, reduce dust loss, and enhance dosing accuracy for automated systems. We have partnered with equipment vendors to match our grades to dispensing and feeding technology. Scientists working at the bench level report that our crystalline form reduces static and clumping, so weighing and transfer go smoothly.
Some suppliers collect a list of certificates and accreditations, but they rarely back it up with transparency or meaningful dialogue about real-world use. We keep an archive of every lot analysis reachable down to the microgram. Project managers, chemists, and QA officers tour our facility to observe firsthand how we approach traceability and waste management—for a sensitive compound like AMPBA, there is no shortcut to sustainable protocols. Our chromatography data, NMR spectra, and elemental analyses get published to every buyer. Requests for a custom grade, a particular particle size, or extended stability reports, get promptly handled by our team because these requests point to genuine needs in practical applications.
Many manufacturers address chirality only in passing, but we take stereochemistry seriously. Our plant produces the pure S-enantiomer, ensured through documented asymmetric synthesis and optical rotation checks. Enantioselective processes help guarantee interactions in receptor-binding studies or pharmaceutical R&D don’t get muddled by the presence of the R-form. Clients working with competitive antagonists, receptor ligands, or as intermediates in chiral synthesis depend on this consistency. We send out chiral HPLC test results alongside our shipments, showing the absence of racemization and any measurable epimer content.
We often get asked about compliance to monographs and international reference standards. Our team regularly submits our compound for external benchmarking—comparing it against published standards by pharmacopoeias and analytical societies—because a certificate alone does not always guarantee real-world suitability. Minor variations in crystal structure or solvated forms can complicate things for downstream users. We have established a program to verify the absence of polymorphs, hydrate content, and even packaging migration, using up-to-date instrumentation. Stability studies under various humidity and temperature cycles assure long shelf-life and reproducible handling, no matter how far our product travels.
Supply chains these days leave little margin for error. Laboratory managers who have faced sudden changes in appearance, purity, or reactivity in their reagents often share their experiences with us. Contaminants, even in low ppm concentrations, can skew bioassay results or chain reactions. Our operators check every step and halt production if required—no batch moves forward unless it passes a complete battery of instrumental and manual inspections. We see manufacturing as a dialogue, not a one-way supply; when difficulties arise, we tackle root causes, tracing back not just to ingredients, but to minute adjustments in temperature, pH, or mixing rates within our reactors.
Researchers familiar with standard amino acid derivatives often notice a stark difference on their first run with (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid. The phosphonate moiety gives this molecule unique reactivity and solubility patterns compared to more common amino acid analogs. Standard amino acids, like glutamic acid or aspartic acid, don’t always hold up when projects require binding selectivity or participation in phosphate mimicry studies. Phosphonate substitutions enable this compound to fit into roles where charge distribution and resistance to enzymatic hydrolysis matter—especially important in pharmaceutical modeling and neurochemical research.
Many academic papers cite inconsistent results due to product variations—small shifts in isoelectric point, solubility, or trace elemental content can shift the outcome of a months-long experiment. We regularly work with teams exploring ionotropic glutamate receptor function, who depend on our material for both agonist/antagonist evaluation and labeling routes. Our batches retain both chemical and enantiopurity, supporting sensitive applications in fields like neuropharmacology, metabolomics, and advanced synthesis of phosphorus-containing bioactives. Trace metals—iron, copper, zinc—are monitored closely, with certificates reporting typical levels well below international standards.
People use this compound in receptor-binding studies, as a selective antagonist in neurotransmitter research, and as a core building block in medicinal chemistry. In biochemistry labs, its stability against enzymatic cleavage frees up time and avoids the cascade of false positives that more fragile analogs sometimes introduce. Customers running large screening programs have run side-by-side assays using our product and cheaper alternatives, with data pointing to fewer outliers and better reproducibility over months.
We’ve seen uptake in peptide synthesis, particularly where phosphorylation or mimicking post-translational modification plays a role. In this setting, purity and the crystal form matter: even minor particulate contamination or the wrong hydration state can foul up automated synthesizers. Our fine-milled crystalline product handles these demands—users report fewer clogged filters and smoother coupling yields.
Our involvement doesn’t end after delivery. Real-world situations—batch scaleups, formulation attempts, adaptations for novel analytical platforms—frequently prompt our technical team to help troubleshoot issues on short notice. Whether dealing with solubility adjustments for HPLC systems or scaling reaction protocols for medicinal chemistry, we work to bridge the lab–factory gap with actionable troubleshooting, not just boilerplate answers. Feedback cycles mean our process is always adjusting: one update from a peptide chemist led us to change part of our milling procedure, boosting both flow characteristics and dosing accuracy across the board.
Direct oversight on production brings accountability but also constant learning. Technical problems rarely look the same twice; recrystallization runs may show new impurities, or a minor change in reagent vendor pushes us to recalibrate time-tested procedures. Our production team works closely with R&D and logistics—if a batch doesn’t perform, we get immediate notice. Dealing with raw input volatility requires creative problem-solving, not just reliance on off-the-shelf solutions.
Control over the entire chain lets us spot opportunities for real improvement. By owning our purification equipment and performing late-stage crystallization in clean rooms, we prevent many types of unwanted contamination. Energy and waste reduction efforts—like solvent recycling and using closed water systems—cut operating costs, but they also help us keep unwanted side reactions and environmental impact low. These practical advances give our product lower impurity burdens and more predictable performance data than anything we used to see when outsourcing part of the work.
Transportation has thrown up plenty of lessons. To avoid supply interruptions and prevent temperature- or humidity-induced changes en route, we moved to custom-sealed, light-resistant containers for all exports. Logistics staff check tracking and perform mid-route stability checks if a delay shows up. If anything goes wrong during transit, we recall and replace directly, documenting the chain of events for our quality management system.
Chemical companies sometimes try to cut corners by buying in bulk and rebottling, but this approach often introduces hidden risks—variable purity, uncertain chain-of-custody, and total disconnect from real application challenges. Taking ownership over the entire process, from precursor acquisition through final QC, means you can call us with not just a purchase inquiry, but a technical challenge or unexpected analytical result. We don’t shy away from discussing failures, process recalls, or the quirks involved in making a chiral phosphonate at scale.
Scientific teams working with (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid report that reliable supply affects long-term research timelines and reproducibility in industrial processes. Our archives track how changing mesh size or final solvent removal methods impact downstream work. Peptide producers spotted less non-specific binding to glassware and fewer false signals in kinase assays after switching to our latest high-purity release. Pharmas focusing on CNS research flagged better batch-to-batch predictability in preclinical studies, which stabilizes their regulatory documentation process.
Staying ahead in the chemical manufacturing sector demands ongoing investment, not only in equipment and people, but also in honest dialogue with users. Internally, we run cross-functional training so our shop-floor workers understand why purity and enantiomeric excess matter, not just how to push buttons. We’ve adopted digital batch records and GPS-enabled tracking for all outbound shipments; small tools, but game-changers for anyone relying on us to support multi-year projects.
Supporting the user means working with regulators, academic collaborators, and downstream partners. Any change, even as minor as a packaging redesign, gets reported through a tracked change control system with pre-release customer notification. Real-life experiments, not just certificates, drive product improvement. For (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid, we have set up ongoing technical exchange sessions by video or onsite, collecting feedback on new challenges, from pH drift in buffer systems to integration with high-throughput screening robots.
We field requests for unusual test reports—such as trace radioactive screening, expanded heavy metal panels, or long-term accelerated aging studies—and we do not farm these out to anonymous subcontractors. Detailed product knowledge and process flexibility let us turn custom lots around without weeks of project management headaches or ambiguous delivery forecasts.
In our view, the only way to keep raising the standard is to stay close to those using the compound in the real world. Our direct manufacturing approach shapes not just what we deliver, but how we tackle everything from batch emergencies to evolving compliance requirements. So far, this process keeps our version of (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid a trusted choice for demanding projects across neurobiology, medicinal chemistry, and specialty synthesis. Genuine partnerships—backed by science, not just promises—drive us to keep improving with every batch.