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2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid

    • Product Name 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid
    • Alias Acetylmethionine sulfoxide
    • Einecs 226-388-0
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    211761

    Chemical Name 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid
    Molecular Formula C7H12N2O4S
    Molecular Weight 220.25 g/mol
    Cas Number 1492-42-6
    Appearance White to off-white solid
    Solubility Soluble in water
    Storage Conditions Store in a cool, dry place
    Purity Typically >98%
    Synonyms N-Acetyl-S-nitroso-L-valine
    Pubchem Cid 2957464

    As an accredited 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical comes in a 10g amber glass bottle, tightly sealed, with hazard labels, lot number, and detailed product information on the label.
    Shipping 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid is shipped in tightly sealed HDPE containers, protected from light, heat, and moisture. It is classified as hazardous, requiring UN-approved packaging and appropriate labeling. Transportation follows local and international chemical regulations, and shipping is typically via ground or air with proper documentation and safety data sheets included.
    Storage 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid should be stored in a tightly sealed container, protected from light, moisture, and incompatible substances such as strong oxidizers. Keep it in a cool, dry, and well-ventilated area, preferably in a chemical storage refrigerator. Ensure proper labeling and restrict access to trained personnel. Handle with appropriate personal protective equipment to avoid exposure.
    Application of 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid

    Applications of 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid in Industrial Manufacturing

    2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid serves as a specialty intermediate for multiple industrial sectors. As a direct manufacturer, we have established and validated application routes within several specific value chains.

    1. Active Pharmaceutical Ingredient (API) Synthesis for Nitrosothiol Drugs

    Our material functions as a critical intermediate for synthesizing nitrosothiol-based nitric oxide donor drug candidates. Pharmaceutical manufacturers utilize it specifically in multi-step flow syntheses involving selective sulfanyl-nitrosation steps. This enables the introduction of controlled S-nitrosation functionality under cGMP conditions, aligning with strict quality and impurity control protocols. The unique nitrososulfanyl group provides a highly reactive handle for downstream coupling, especially in third and fourth step transformations, impacting the final API’s purity, stability, and NO-release profile.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guide for Active Pharmaceutical Ingredients
    • USP-NF (United States Pharmacopeia – National Formulary)
    • European Pharmacopoeia (Ph. Eur.) relevant monographs for intermediates
    • FDA 21 CFR Part 211 for finished pharmaceuticals

    Typical usage ratio

    • Used at 1.3–1.8 molar equivalents per API batch, with adjustment based on scale, impurity profile, and target product yield requirements

    Downstream process integration

    • Introduced post-amidation as the nitrosothiol precursor in semi-batch flow reactors, under controlled temperature and inert atmosphere
    • Followed by selective substitution, extraction, and purification ahead of final API crystallization and QC analytics

    Final product types

    • Nitrosothiol-based cardiovascular and neuroprotective APIs (investigational and approved)
    • S-nitrosated acetylamino amino acid derivatives for advanced phase clinical study

    2. Peptide Modification for Biomedical Research Reagents

    Synthetic peptide manufacturers employ this compound for site-selective S-nitrosation of cysteine residues during peptide chain assembly. Its integration enables stable NO-donor peptide conjugates, used in cell signaling and redox biology studies. The unique structure permits introduction late in the peptide synthesis protocol, retaining peptide integrity and avoiding side-chain deprotection issues typically associated with other nitrosation reagents.

    Industry compliance standards

    • ISO 13485:2016 Medical Device Quality Management System for reagent production
    • CASR Technical Standards for Research Peptides
    • EU REACH Regulation (EC) No 1907/2006 for chemical safety in research reagents

    Typical usage ratio

    • 0.9–1.1 equivalents per cysteine residue, with tight process control to avoid over-nitrosation or unspecific modification

    Downstream process integration

    • Adopted after solid-phase peptide synthesis (SPPS), during side-chain modification phase before final cleavage
    • Grammar: Reagent addition proceeds under cooled, pH-buffered conditions with inert gas protection, then direct peptide purification via HPLC

    Final product types

    • S-nitrosated bioactive peptides for cellular signaling studies
    • Fluorescently labeled, S-nitrosated peptides for imaging and analytical biosensors

    3. Rubber Additive Manufacturing for Nitroso-Accelerator Compounds

    The nitrososulfanyl group is directly utilized in rubber compounding processes, serving as an intermediate for specialty nitroso-type vulcanization accelerators. Rubber additive producers incorporate this compound to achieve precise cure rates and cross-link density control in high-performance elastomers. Its controlled reactivity allows for tailored mechanical properties and reduced side-product formation, critical for automotive and industrial rubber goods applications.

    Industry compliance standards

    • ISO 9001 Quality Management Systems for chemical manufacturing
    • REACH Annex XVII restrictions for ingredient use in elastomers
    • ASTM D1817 Standard Specification for Rubber Chemicals

    Typical usage ratio

    • Introduced at 0.3–0.6% by weight of total rubber compound, with ratio dependent on desired accelerator activity and final product stress-strain targets

    Downstream process integration

    • Pre-reacted with base rubber matrix during internal mixing stage, prior to secondary accelerator and sulfur addition
    • Monitored for uniform dispersion to prevent localized overcure

    Final product types

    • High-performance tires with enhanced NO-release features for tread cooling
    • Engine mount and bushing compounds meeting extended fatigue resistance specifications

    4. Specialty Intermediate for Agrochemical Active Ingredient Synthesis

    Agrochemical producers utilize this intermediary to introduce S-nitroso groups into advanced herbicide and fungicide molecules. Its stability and reactivity profile support scalable, safe nitration under defined temperature and moisture parameters. This enables downstream formation of compounds with both targeted biological activity and desirable environmental fate characteristics. End-use cases primarily focus on proprietary, next-generation crop protection formulas requiring regulatory traceability.

    Industry compliance standards

    • FAO/WHO Specification for Plant Protection Products
    • OECD Principles of Good Laboratory Practice for agrochemical synthesis
    • EU Regulation (EC) No 1107/2009 for market authorization of crop protection chemicals

    Typical usage ratio

    • Reaction level at 1.1–1.25 molar equivalents per active intermediate, optimized based on substrate reactivity and final impurity profile

    Downstream process integration

    • Enters during penultimate synthesis stage, after core scaffold assembly and before final bioactive group installation
    • Strict process control for temperature (5–15°C) and moisture exclusion applied to ensure yield and low residuals

    Final product types

    • Novel nitrosothiol-based herbicidal agents for resistant weed control
    • Fungicides with extended field activity due to controlled NO-release mechanisms

    5. Analytical Reagent Production for Nitrosylation Assays

    Producers of analytical chemistry reagents select this raw material for formulation of specific nitrosating agents. Its application addresses highly controlled colorimetric and fluorometric determination of thiol-containing pharmaceuticals and biomolecules. The well-defined molecular structure enables method validation and traceability, supporting customer assay kits for both research and regulatory compliance labs.

    Industry compliance standards

    • ISO/IEC 17025 General requirements for the competence of testing and calibration laboratories
    • USP Reagent Specifications for analytical chemicals
    • GLP (Good Laboratory Practice) requirements

    Typical usage ratio

    • 0.05–0.15 mmol per standard test batch; adjusted for specific assay linear range and detection sensitivity

    Downstream process integration

    • Integrated during formulation of working solutions, followed by stability testing and aliquoting under light-protected, inert atmosphere conditions
    • Quality control batch release using validated spectroscopic methods

    Final product types

    • Ready-to-use nitrosylation detection reagent kits for laboratory analysis
    • Calibration standards for HPLC and UV-VIS validation in pharmaceutical QC
    Free Quote

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    Certification & Compliance
    More Introduction

    2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid: Insights from the Manufacturer’s Bench

    Standing alongside decades of specialty chemical manufacturing, we see technical-grade 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid as a distinctive offering, both for its structure and for the role it plays in advanced chemical development. Our team handles each production batch with an understanding that quality at the molecular level defines the success of larger projects downstream – from synthesis routes in research institutes, right up to scale-up requirements at established pharmaceutical facilities.

    Model and Specifications: What Our Chemists Prioritize

    We manufacture this compound with detailed attention to its specific attributes, not just to meet a minimum specification, but to deliver a product consistent enough that end users can work confidently, batch after batch. This focus means carefully managing crystallization parameters, solvent choice, and purification steps for an output aligning with high-purity requirements. In our labs, the appearance—often a pale yellow to slightly greenish solid—tells us about nitroso group integrity, while spectroscopic readouts (infrared, NMR, and others) verify the chemical backbone. Typical purity targets land above 98%, guided by our own multiple-point in-process QC analytics. The team records melting range, residual solvents, and trace inorganic content by employing equipment calibrated daily, in line with best practices rather than short-term cost savings.

    What differentiates this product from many other functionalized butanoic acids is in the nitrososulfanyl moiety. From a synthetic chemistry standpoint, this isn’t just an added side group; it influences both electron density across the molecule and its reactivity profile. By managing stable nitrosation and sulfenamide formation, we provide a starting block suitable for several downstream applications. Our customers most often reference the way our batches behave in coupling reactions and selective transformation, and we maintain records tracking each lot’s performance in these settings. We work to ensure minimal batch-to-batch deviation, supporting users who run sensitive catalytic or ligation processes.

    Usage and Practical Considerations in Application

    Operators who come to us for this compound usually run highly specialized protocols where minor impurities upset reaction outcomes or where unstable analogues fail to store well. In academic settings, initial requests stem from groups developing new ligands, bioconjugation agents, or metabolic probes—areas where function hinges upon reliable access to a high-purity, structurally consistent precursor. In an industrial context, process development teams choose our material for its predictable performance in small molecule synthesis, either for core molecule building or as a protected intermediate. The nitrososulfanyl group, for instance, offers entry points for selective transformations not easily accomplished with more common reactive groups. Our R&D chemists have observed that in scale-up settings, loss of desired functionality is minimal if storage, transport, and handling guidelines—shaped by our long years in this chemistry—are followed closely.

    In-house, we dedicate part of our technical support staff to guiding users through safe use and optimal integration of this product. The guidance draws not just from textbook MSDS guidelines, but from experience: safeguarding the nitroso group’s stability involves low light exposure, inert atmosphere storage, and consistent temperature control. We remind frequent users about the compound’s sensitivity and handle shipping with cooled-pack logistics and custom secondary containment, supporting both research and pilot-scale clients.

    Distinguishing Features: Real-World Value Over Standard Analogues

    Differences between 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid and other derivatives usually come down to how it shifts the direction and speed of chemical reactions. We field regular questions from partners comparing it to simpler substituted butanoic acids or to more commonly-available amides. The value lies partly in its selective reactivity; while amide or methyl substitutions alone often offer inertness, the nitrososulfanyl function here enables unique transformations. Teams developing selective ligands or looking for intermediate steps in peptide modification projects mention that, for their routes, nothing else works in quite the same way.

    This is not a commodity product, and our practices reflect that. We initiate synthesis from well-sourced starting reagents, run careful reaction monitoring, and employ custom purification schemes. In practice, this means more hands-on oversight, more stringent testing, and active collaboration with users troubleshooting every step between delivery and deployment. While an ordinary acetylated amino acid derivative might sit for weeks without much concern, our product requires a tighter handling and monitoring protocol. We maintain a modest but steady output volume, since optimizing for ultimate purity and functional group integrity doesn’t scale up without trade-offs between throughput and quality.

    Our Track Record: Responding to User Needs in a Changing Field

    Over years of partnership with both industry and research clients, we’ve adapted our process in response to direct feedback. In peptide synthesis, for example, some protocols suffer if residual trace metals, halides, or decomposed side products are present. We’ve invested heavily in upgrading our analytical instruments and in training staff to flag even small out-of-spec readings at the earliest stage. This approach reduces the risk of ambiguous data or product failure downstream. In highly regulated manufacturing sectors—especially for contract research organizations, API development teams, or pilot plants working towards GMP—traceability and reproducibility matter as much as chemical purity itself. To meet this, we provide batch-level documentation, storage advisories, and technical support shaped by the real cases users bring to us after product trial.

    With applications in bioconjugation, ligand design, and metabolic labeling, users count on us to navigate tricky solubility profiles and shelf-life questions. Through in-house trials, we have characterized solubility ranges in a number of polar organic solvents, and can recommend workable solutions for both lab-scale and larger synthesis. Every change we make to the process comes from the data we’ve accumulated and the questions we’ve discussed with users who grade our output with strict, application-driven criteria. That ongoing communication keeps quality control meaningful and keeps our team grounded in the realities of who is using our product and why.

    Production Realities and the Human Element in Consistency

    Walking through the plant, the real distinguishing feature is not the equipment itself, but the team’s familiarity with the quirks of this compound’s behavior through each synthetic stage. One operator notices shifts in color or odor that trace back to minute reaction deviations. Another lab tech recognizes when a minor impurity spike signals the need for a purification adjustment. The experience of our staff, built across hundreds of batches, forms the basis of the reliability users report back to us. When we hand over a certificate of analysis, it’s not just a paper sign-off; it comes backed by hours of scrutiny, method improvements, and direct responsibility from the chemists who made the batch.

    We know the importance of consistency — not only from an analytical perspective, but as something our users factor into their own product’s final quality. A missed impurity, or a slight drift in functional group content, sets off a cascade of problems in downstream reactions. We answer technical calls from researchers troubleshooting unexpected NMR peaks, from synthetic teams needing alternative solvent recommendations, and from purchasing managers balancing reliable supply lines. Our willingness to maintain small-batch flexibility in a world that often prioritizes mass throughput is a deliberate decision. It lets us safeguard user projects where one-off deviations ruin weeks of effort.

    Practical Impacts for Downstream Users

    Our customers often signal their gratitude not just for product purity, but for honesty about process limitations and shelf-life realities. In synthetic protocols requiring precise timing, or in environments where temperature control wavers, knowing the bound of a compound’s stability window can make or break an experiment. Our insight is that well-prepared users appreciate open communication more than exaggerated stability claims or false promises of bulletproof supply. We work side-by-side with several development teams, revisiting recommendations as process parameters change. That engagement helps end users avoid costly reruns and wasted material.

    Process engineers in regulated environments depend on transparent documentation with traceable lot histories. We tailor reporting to flag all relevant analytical readings, rather than just a minimum passport of purity or melting point. When a deviation occurs—often caught at final packaging or storage—we review and rework before shipping, not brushing minor anomalies aside. The time spent on this refinement prevents issues in the field, and supports those customers working under regulatory eyes.

    Supporting Innovation: Beyond Off-the-Shelf Chemistry

    2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid has attracted growing interest from users chasing new frontiers in molecular design. As one example, ligand discovery efforts now probe substitution patterns that enable selective metal binding or catalytic acceleration not possible with traditional scaffolds. Chemical biology groups approach us to secure consistent lots for advanced probe development and for site-selective modifications in protein conjugation. By maintaining a feedback loop with such teams, we have finetuned our process on-the-fly – adjusting solvent systems, tweaking drying parameters, and rapidly troubleshooting material incompatibilities.

    Many off-the-shelf suppliers overlook these nuances, leaving end users to run through trial and error phases using uncontrollable materials. Our model centers on learning from each new user case. For example, early production batches revealed subtle stability differences depending on packaging material and exposure duration. Now, we standardize all packaging and include stability addenda summarizing in-house empirical data spanning both ambient and refrigerated storage.

    Tackling Challenges in Supply and Handling

    We face logistical challenges with every shipment. Temperature fluctuation, light sensitivity, and atmospheric exposure all threaten functional group stability, so every hand that touches a shipment pays attention to risk points learned through hard experience. Our supply partners work on tight schedules, and communication over potential hold-ups keeps customers in the loop. We think in practical terms: a single delay from a shipping partner exposes the material to conditions outside our envelope, so backup plans—alternate shippers, redundant stocks—are not optional extras. Users in geographically distant or high-temperature zones benefit from the preemptive steps we take with insulated packaging and real-time tracking.

    Internally, we stress-test shipping containers, validate cold-chain protocols, and simulate long transit times to uncover risks before they disrupt customer operations. When a challenge arises—say, a customs hold extending lead times unexpectedly—our technical staff works with users to evaluate the remaining shelf-life, set realistic expectations, and minimize avoidable downtime. This sort of crisis management only works because we stay aware of the compound’s limits and we treat every supply interruption as something to fix at root cause, rather than passing the buck.

    Environmental and Safety Perspectives

    As manufacturers, our responsibility doesn’t end with a safe, compliant product. The chemical’s profile places it in the category of materials needing care during both use and disposal. We work with environmental health officers to update waste handling protocols according to evolving regulatory frameworks. Every year, we review on-site safety training and audit lab practices, not just to pass inspections, but to protect staff and the wider environment. Our choice of process solvents, reactant excesses, and containment systems reflects a balance between necessary purity and minimal waste generation.

    Feedback from users on occupational safety feeds back into our own risk assessment protocols. Many labs cite unique risks involving the nitroso group or possible off-gassing during decomposition, so we share accumulated best practices broadly. This culture of transparency, combined with methodical documentation of incidents, helps inform safer handling standards both inside our plant and in our user community.

    Continuous Learning and Future Directions

    Every batch we run provides new data on product performance and handling limits. Unlike resellers, who rely on standardized third-party material, our production notes shape the recommendations we pass on. Customers in both academic and industrial spheres report back over time as their processes evolve, offering learning opportunities for us to keep refining the product. These collaborations underline that chemical manufacturing remains a fundamentally human enterprise, reliant on both technical mastery and honest feedback.

    Our ambition for the future focuses on supporting a wider range of research efforts moving beyond mere substitution chemistry. This means continuing investments in analytical infrastructure, cross-training staff, and fostering partnerships with downstream innovators. Over time, we plan to introduce additional functionalized amino acid derivatives, each produced with the same attention to detail, transparency, and end-user dialogue that has built trust in our approach to 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid.

    Final Thoughts from the Manufacturer’s Viewpoint

    The long-term relationships we maintain with users stem from more than a good product; they are built on straightforward communication, willingness to adapt, and a commitment to real problem-solving. Every metric we track, every modification we introduce, and every support call we answer reflects the priorities of the chemists, engineers, and researchers who depend on us for reliability. This philosophy extends across our full portfolio, yet finds a clear showcase in 2-Acetamido-3-Methyl-3-(Nitrososulfanyl)Butanoic Acid: a product whose value grows from the combination of technical precision, operational honesty, and shared dedication to furthering chemical innovation.