Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

(S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid

    • Product Name (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid
    • Alias L-AP4
    • Einecs 262-204-7
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    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 & Storage
    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.
    Application of (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid

    Applications of (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid in Industrial Manufacturing

    As 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 Discovery

    Drug 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

    • USP General Chapter <823> (Radiopharmaceuticals for Positron Emission Tomography—Compounding)
    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • GLP (Good Laboratory Practice, OECD)
    • 21 CFR Part 210/211 (FDA cGMP for finished pharmaceuticals)

    Typical usage ratio

    • 0.01–0.25 molar equivalents per target batch, depending on target scaffold and SAR requirements. The ratio typically advances from microgram to milligram scale during preclinical route evaluation.

    Downstream process integration

    • Introduced at the initial stage of heterocycle assembly or chiral coupling as a chemoselective subunit. Used in solution or solid-phase synthesis at the screening and lead-optimization phases of candidate development.

    Final product types

    • NMDA antagonist research compounds
    • Potential central nervous system (CNS) drug leads
    • Radiolabeled PET tracers for glutamate receptor mapping
    • Reference standards for analytical labs supporting drug pipelines

    2. Analytical Reagent for Neuroscience Research

    Specialized 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

    • PHS Policy on Humane Care and Use of Laboratory Animals
    • ISO/IEC 17025 (Testing and Calibration Laboratories)
    • EN ISO 15189 (Medical Laboratories—Quality and Competence)
    • OECD Guidance Document 22 (GLP for Neurotoxicity Studies)

    Typical usage ratio

    • 1–20 μM as working concentration in buffer systems, with precise titration based on assay sensitivity and cell response. Accurate dosing depends on animal model, slice thickness, or culture volume.

    Downstream process integration

    • Dissolved directly into artificial cerebrospinal fluid (aCSF) or perfusion medium before in vitro electrophysiological measurements or imaging experiments. Weighing and dilution performed in analytical preparation areas under controlled documentation protocols.

    Final product types

    • Neurophysiology assay kits
    • QC-validated calibration solutions
    • Academic lab-generated receptor studies
    • Standardized comparative tissue response data sets

    3. Chiral Building Block for Custom Peptide Synthesis

    Peptide 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

    • Ph. Eur. monograph 2034 (Peptide Synthesis)
    • ISO 9001:2015 (Quality Management Systems, applied to custom synthesis)
    • ICH Q11 (Development and Manufacture of Drug Substances)
    • FDA 21 CFR 210/211 (cGMP for peptide drug substances)

    Typical usage ratio

    • 1–5 mol% as a specialty residue in synthetic peptide chains; the ratio directly determined by the target sequence length and the number of bioisosteric substitutions.

    Downstream process integration

    • Coupled during automated or manual Fmoc/tBu solid-phase peptide synthesis, typically replacing or supplementing natural amino acid monomers to impart desired biochemical properties.

    Final product types

    • Modified bioactive oligopeptides
    • Peptidomimetic research tools
    • Reference molecules for enzyme or transporter assay panels
    • Phosphonate-tagged peptide libraries

    4. Reference Standard in Receptor Binding Assays

    Contract 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

    • ISO/IEC 17025 (General Requirements for Testing and Calibration Laboratories)
    • FDA Bioanalytical Method Validation Guidance for Industry
    • OECD Principles of Good Laboratory Practice (GLP)
    • ICH Q2(R1) (Validation of Analytical Procedures: Text and Methodology)

    Typical usage ratio

    • Recommended as a 1–10 μM standard solution, matching the sensitivity range of radioligand or fluorescence-based binding assays. The precise quantity adjusted for individual plate layout, receptor density, and assay throughput.

    Downstream process integration

    • Weighed and diluted as analytical reference material directly prior to protocol execution in assay validation and calibration streams. Traceable documentation accompanies each lot for audit and regulatory reporting.

    Final product types

    • GLP-compliant analytical assay kits
    • Documented reference standards for ligand-screening programs
    • Validated data sets in preclinical pharmacology
    • Comparative control substances for contract assay services

    5. Precursor for Bioactive Phosphonate Derivatives

    Research 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

    • OECD Series on Testing and Assessment No. 23 (Guidance Document on Aquatic Toxicity Testing)
    • ISO 14001 (Environmental Management)
    • REACH Regulation (EC 1907/2006) for chemical substances in R&D
    • GMP for investigational finished products (as applicable for pharmacological research outputs)

    Typical usage ratio

    • Entered at 1–10% by weight of starting reactant mass, adjusted based on the diversification strategy, substitution reaction efficiency, and scale of the synthetic campaign.

    Downstream process integration

    • Employed as a substrate in stepwise derivatization, such as alkylation, acylation, or reporter tagging, typically under inert atmosphere conditions within medicinal chemistry labs.

    Final product types

    • Patentable phosphonate-based lead compounds
    • Labeled small molecules for target validation
    • Novel probe molecules for biochemical studies
    • Regulatory starting materials for further downstream chemical elaboration
    Free Quote

    Competitive (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid: Manufacturer’s Insights on Quality and Performance

    The Value of Direct Manufacturing for (S)-2-Amino-2-Methyl-4-Phosphonobutanoic Acid

    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.

    Specifications That Make a Difference

    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.

    Putting Molecular Integrity Above Marketing Claims

    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.

    The Pressure to Standardize—and Why We Go Beyond

    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.

    How This Compound Stacks up Against Typical Amino Acid Reagents

    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.

    Usage and Real-World Feedback: What We’ve Learned on the Floor

    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.

    The Trade-Offs of Direct Production

    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.

    What Sets This Compound Apart

    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.

    Looking Forward: Continuous Improvement and Responsive Service

    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.