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N-Acetyl-5-Hydroxytryptamine

    • Product Name N-Acetyl-5-Hydroxytryptamine
    • Alias Melatonin
    • Einecs 221-720-7
    • 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

    677471

    Chemical Name N-Acetyl-5-Hydroxytryptamine
    Common Name N-Acetylserotonin
    Molecular Formula C12H14N2O2
    Molar Mass 218.25 g/mol
    Cas Number 1210-83-9
    Appearance White to off-white crystalline powder
    Solubility In Water Slightly soluble
    Melting Point 152-155°C
    Iupac Name N-[2-(5-hydroxy-1H-indol-3-yl)ethyl]acetamide
    Pubchem Cid 8459
    Synonyms Normelatonin, Acetylserotonin
    Smiles CC(=O)NCCc1c[nH]c2ccc(O)cc12
    Storage Conditions Store at -20°C, protected from light
    Biological Role Intermediate in melatonin biosynthesis

    As an accredited N-Acetyl-5-Hydroxytryptamine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging is a sealed amber glass bottle containing 25 grams of N-Acetyl-5-Hydroxytryptamine, labeled with safety and batch information.
    Shipping N-Acetyl-5-Hydroxytryptamine is shipped in tightly sealed containers to protect from moisture, light, and air. Packages are clearly labeled, handled according to chemical safety regulations, and transported at ambient temperature unless specified otherwise. Ensure compliance with local, national, and international shipping regulations for laboratory chemicals.
    Storage N-Acetyl-5-Hydroxytryptamine should be stored in a tightly sealed container, protected from light and moisture. Keep it at a temperature of 2-8°C (refrigerated conditions). Ensure the storage area is well-ventilated and chemicals are kept away from incompatible substances such as strong oxidizers. Use appropriate safety precautions when handling, including protective gloves and eyewear.
    Application of N-Acetyl-5-Hydroxytryptamine

    Applications of N-Acetyl-5-Hydroxytryptamine in Industrial Manufacturing

    As a direct manufacturer, we supply N-Acetyl-5-Hydroxytryptamine to leading industrial clients across tightly regulated downstream segments. The following application scenarios reflect how major producers utilize this specialty molecule, with precise attention to compliance, formula engineering, and production integration to meet global quality and regulatory demands.

    1. Pharmaceutical Intermediate in Melatonin Synthesis

    Downstream pharmaceutical companies employ N-Acetyl-5-Hydroxytryptamine as a key intermediate during the synthesis of melatonin, especially for large-scale production meant for oral and sublingual formulations. Its purity and lot consistency directly influence output quality, requiring integration at the penultimate reaction stage. Strict compliance, controlled dosage, and rigorous in-process monitoring characterize its role in this pharmaceutical value chain.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • United States Pharmacopeia (USP) monographs for intermediates and final APIs
    • European Pharmacopoeia (Ph. Eur.) standards
    • U.S. FDA 21 CFR Part 211 cGMP for finished pharmaceuticals

    Typical usage ratio

    • 0.8–1.2 molar equivalents in final synthesis batch, based on theoretical yield of melatonin via acetylation of serotonin derivatives

    Downstream process integration

    • Material introduced after serotonin O-acetylation, serving as direct substrate in one-pot or stepwise synthesis of melatonin
    • Reaction performed under controlled temperature and inert atmosphere, followed by purification through column chromatography

    Final product types

    • Pharmaceutical-grade melatonin (bulk API)
    • Finished dosage forms (tablets, capsules, sublingual strips)

    2. Ingredient in Nutraceutical Sleep Formulations

    Nutraceutical manufacturers incorporate this material as a direct precursor for melatonin production, which is then formulated into over-the-counter sleep aids and wellness supplements. The dosage, origin, and processing method of the intermediate impact batch consistency, labeling authenticity, and downstream granulation/mixing parameters.

    Industry compliance standards

    • US FDA Dietary Supplement Current Good Manufacturing Practice (21 CFR 111)
    • EU Regulation (EC) No 1924/2006 on nutrition and health claims
    • NSF/ANSI 173 Dietary Supplements certification (voluntary)
    • ISO 22000 Food Safety Management System documentation

    Typical usage ratio

    • Typically, formulated so downstream melatonin content meets 1–10 mg per serving in finished products; input quantity calculated based on conversion rate and process loss, generally 0.5–1.0% w/w in batch mixing.

    Downstream process integration

    • Reactant fed into controlled bioreactor or chemical synthesis reactor for melatonin conversion under GMP monitoring, followed by filtration, drying, and blending into granulation or extrusion lines.

    Final product types

    • Sleep enhancement tablets and caplets
    • Melt-in-mouth granules
    • Functional gummies with melatonin
    • Sleep drink premix packets

    3. Intermediate in API Synthesis for Veterinary Health

    Veterinary pharmaceutical producers utilize N-Acetyl-5-Hydroxytryptamine for synthesizing melatonin-based actives tailored for animal health. Batch reproducibility and impurity control are essential, as downstream applications span regulated medication for livestock and companion animals, with specific attention to residue limits and feed additive regulations.

    Industry compliance standards

    • US FDA CVM Guidance for Industry (GFI) #152
    • VICH GL1 & GL2 (Veterinary International Cooperation on Harmonisation)
    • European Medicines Agency (EMA) guidelines for veterinary APIs
    • GMP for Veterinary Products (China, EU, USA)

    Typical usage ratio

    • 0.5–1.5% w/w as a function of precursor yield and final melatonin target, adjusted per animal species formulation and solubility requirements

    Downstream process integration

    • Material introduced in multi-step synthesis for veterinary melatonin under solvent-controlled reactions, often followed by microencapsulation as downstream value addition

    Final product types

    • Veterinary API-grade melatonin
    • Melatonin-modified release tablets and pellets for livestock
    • Feed additive premixes

    4. Research and Diagnostics: Reference Material in Analytical Laboratories

    Accredited contract and in-house laboratories use N-Acetyl-5-Hydroxytryptamine as a certified analytical reference standard for assay development and validation of melatonin and serotonin pathway metabolites. Its documented traceability and lot homogeneity support precise qualitative and quantitative analyses in pharmaceutical, forensic, and biochemical research contexts.

    Industry compliance standards

    • ISO/IEC 17025 Laboratory Accreditation
    • FDA GLP regulations (21 CFR Part 58)
    • European Pharmacopoeia reference standards guidelines
    • USP General Chapter <1226> on Verification of Compendial Procedures

    Typical usage ratio

    • Prep for reference calibration: 1–10 μg/mL for HPLC/UPLC/GC-MS validation curves. Dilution varies by method sensitivity and matrix complexity.

    Downstream process integration

    • Direct use in preparation of working standards, calibration curves, and control samples for method validation and stability studies; often aliquoted in ISO Class 5 environments

    Final product types

    • Calibrated reference solutions for analytical instruments
    • Standardized proficiency testing materials for contract labs
    • Traceable primary and secondary reference sets for regulated assay platforms
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    Certification & Compliance
    More Introduction

    N-Acetyl-5-Hydroxytryptamine: Reliable Sourcing Direct from Factory

    What Sets Our N-Acetyl-5-Hydroxytryptamine Apart

    Decades spent refining chemical production have taught us that precision and product stability form the backbone of any trustworthy manufacturer. N-Acetyl-5-Hydroxytryptamine, a pivotal compound for several research and industrial applications, provides a clear example of this philosophy in practice. By handling every stage of synthesis in our own facility, we avoid the guesswork and uncertainties that often show up with intermediaries and ever-shifting outsourcing arrangements.

    Our team oversees the full manufacturing journey of this compound, from raw ingredient assessment through synthesis, purification, and stringent batch approval. No step takes a back seat. The result is N-Acetyl-5-Hydroxytryptamine that not only meets the desired purity and performance but withstands the scrutiny of both internal and external audits. We don’t view any deviation from specification as acceptable; consistent quality keeps our partners, and our own team, out of trouble.

    Model, Specifications, and Strict Quality References

    Our most common model of N-Acetyl-5-Hydroxytryptamine carries the authenticated CAS number 121-61-9 and comes in standardized packaging favored among pharmaceutical and biochemical industries. Material leaves our plant only after confirming exact purity levels each batch, which usually reaches 98% or higher. HPLC, NMR, and residual solvent analyses are used not as talking points, but everyday tools. Every batch report references chromatography data and trace impurity profiles, kept on record for transparency and reference. Technicians—many who have stayed with us for years—review every run, not just a random sample, before it’s signed off.

    Impurities can change how a research project unfolds. That’s why we monitor known starting material byproducts, by measuring each step closely. As N-Acetyl-5-Hydroxytryptamine sits downstream of serotonin biosynthesis, trace contaminants left over from earlier synthetic steps (like tryptophan derivatives or excessive acetylating agent residues) are rooted out through an established cleanup protocol. Customers report reduced chromatogram background, even in the mass spec—feedback we eagerly collect and use to sharpen our processes even further.

    Usage in Research and Industry

    Users rely on N-Acetyl-5-Hydroxytryptamine for research into neurochemical pathways, receptor pharmacology, and circadian biology. Demand also comes from those creating analytical standards, reference materials, and sometimes niche pharmaceutical intermediates. In every context, trace contamination, mislabeling, or inconsistent purity in the supplied material can mislead experiments and lead to wasted money and time. That’s not a theoretical risk; many of our longer-term customers approach us after one-too-many ruined trials with lower-cost or poorly documented alternatives.

    Where precise structure and minimal side products matter—such as radiolabel incorporation or in vivo animal model dosing—a single spectral anomaly can throw off years of careful research. Since we’ve seen problems arise whenever suppliers take shortcuts, we invest in upstream reagent vetting and full-line traceability rather than offering endless product permutations we might not control. What emerges is a product line built for repeat users, especially those who value knowing exactly what they have, and why one batch behaves just like the last.

    Lessons Learned: Purity and Documentation

    You can rarely fix a problem you never see coming. Too many chemical plants treat documentation as a burden, meant to please auditors and keep paperwork moving in government offices. We consider each batch sheet, NMR spectrum, and LC-MS printout not just a document but an insurance policy—for our customers, yes, but also for our technical crew, who want to sleep well after signing off on a release. The more reliable a record, the less likely confusion or blame arises down the line.

    Forget folklore about high purity “guarantees” or vague assurances. We see real value in knowing exactly which minor peaks show up in each lot, and why. This kind of attention doesn’t just prevent errors in pharmaceutical applications. Even the research teams using N-Acetyl-5-Hydroxytryptamine for animal model dosing find fewer unexplained biological anomalies when impurity profiles remain stable.

    How Our Process Compares to Other Manufacturers

    We do all work in-house. Competitors sometimes ship material between a few subcontracted processing plants, each with slightly different conditions, and repackage what comes back. This can mask the trail of impurities, water content, and even create product that looks chemically identical at a glance but can behave unexpectedly in use. Such stories fuel our approach. By keeping everything under one roof and logging any deviation or unexpected analytic result, we take full responsibility for each gram.

    Costs do respond to the way you make material. Creating N-Acetyl-5-Hydroxytryptamine in a controlled, small-to-medium batch mode with robust analytics behind it rarely results in the lowest sticker price. Feedback from lab managers tells us that reliable repeatability matters far more in the real world than bottom-dollar offers, since one contaminated batch can throw a whole research cycle off schedule or, at larger scale, risk regulatory action.

    Batch Consistency and Supply Stability

    We don’t skip runs or blend off-spec batches to keep inventory liquid. Warehousing only approved material means full supply transparency. Customers have the chance to reserve production slots for larger or ongoing needs, and we share upcoming production schedules to help avoid stockouts. Every year brings new requests: higher output, custom lot sizes, or modified packaging for high-throughput screening setups. As a manufacturing crew, flexibility saves us from stalling progress, but not at the cost of traceability or agreed standards.

    Certain clients prefer material packed under nitrogen, some require dual-barrier foil bags, and a handful want detailed inland transport records. Since everything happens on site, adding these protections doesn’t bring logistical headaches—just added work that gets baked into the batch itinerary. We get requests for specific COAs or customized documentation, and since every batch passes through the same analytics and archive desks, data follows the product wherever it travels.

    Handling Customer and Researcher Feedback

    Open two-way communication lines have kept us nimble. Direct discussion with chemists and technical staff on either side of a shipment cuts down on misunderstanding. We encourage partners to reach out with raw data when something looks odd. Reports about unexpected chromatographic spikes, trace metals, or instability at a certain pH can direct a full round of follow-up analysis and sometimes, changes to the incoming raw materials. Some of our most durable protocol upgrades originated as offhand remarks from research partners or production end-users.

    Raw facts carry more weight in our review meetings than broad-stroke summaries. If a delivered batch of N-Acetyl-5-Hydroxytryptamine runs slow in solution or picks up color during storage, we search upstream for a root cause—maybe a change in solvent supplier, maybe a degassing step skipped—and tackle the issue before it grows. Solutions can range from overhauling how shipments are tracked in winter to tweaking reflux parameters for the core acetylation reaction.

    Comparing to Other Serotonin-Related Compounds

    Some buyers ask why they can’t just use another acetylated tryptamine or generic serotonin analog in place of true N-Acetyl-5-Hydroxytryptamine. Our experience shows that while the backbone looks similar, biological reactivity and downstream application performance shift quickly as you move away from the intended molecule. We note this especially where enzymatic work or circadian biology research is involved, since closely related products might appear to function well but introduce subtle off-target effects, confounding research.

    Accuracy in product choice reflects in batch-to-batch repeatability. Similar chemical options sometimes stem from entirely different synthesis routes, often leaving fingerprints in terms of byproducts or trace metals not specified in generic CoAs. We pride ourselves on maintaining source integrity—no relabeling, no mixing upstream sources for convenience. Each process step generates its own analytic trace, distinct between N-Acetyl-5-Hydroxytryptamine and other derivatives like N-acetylserotonin or plain melatonin.

    How Synthesis Choices Impact Results

    Over the years, optimization efforts have shown how crucial it is to manage temperature, pH, and reagent order in the acetylation of 5-hydroxytryptamine. Sloppy technique can leave unreacted precursors or alkali residues, showing up as rogue spots on a TLC plate or a misaligned peak on HPLC. To prevent this, our crew combines traditional bench skills with digital logging—real-time temperature mapping, solvent tracking, and post-reaction assessment using both classic wet chemistry and instrumental analysis.

    These details aren’t only academic. Direct experience has proven that clean workups and well-maintained equipment turn into better control of product characteristics and long-term shelf stability. That’s why we devote regular budget to keeping purification columns, vacuum lines, and analytic systems well serviced. Reusing tired silica or failing condenser gaskets never pays, especially once a contaminated batch has to be recalled and reprocessed.

    Meeting Regulatory and Research Needs

    Requests keep changing. Regulatory guidelines shift in lockstep with new research findings. Research consortia, especially those operating internationally, bring up thorny trade and import details. We learned early on that keeping full documentation and production logs allows us to serve both regulatory filings and partnership audits without panic. Inspection teams tour our lines regularly, but for us, that’s not the whole picture—internal post-mortem reviews keep standards high even in the absence of oversight. This is a discipline taught by having dealt with recall events in our early years and learning the hard way that shortcuts snowball rapidly.

    Certain users require detailed impurity mapping for submission to regulatory bodies or funding agencies. Each analytical sub-profile—no matter how small—is made available as needed. Clients working under Good Manufacturing Practice (GMP) environments can source research-grade material with line-of-sight to future clinical-scale delivery, knowing the supply process won’t reinvent itself overnight.

    Supply Chain and Material Sourcing

    Our raw materials come only from suppliers willing to adhere to the same analytical routines we demand of ourselves. A change in grade or delivery conditions triggers a new qualification round. Keeping upstream partners involved in open dialog, and rotating on-site verification reviews, reduces the chance that some off-spec solvent or contaminated reagent slips into a critical synthesis. By limiting how many raw material vendors we use, we protect both ourselves and the end-user from volatility tied to shifting global supply.

    Materials get tracked from receiving dock to finished product storage, with batch logs and retention samples filed for each lot. This approach clears the way for rapid recall if ever needed, but in practice serves more as real-world insurance, since the overwhelming majority of lots meet and hold spec through distribution and final receipt.

    A Manufacturer’s Perspective on Product Development

    Years working hand-in-hand with researchers, lab managers, and pilot-plant scale-up teams have shaped the way we refine and package N-Acetyl-5-Hydroxytryptamine. End-user needs often drive us to rethink everything from particle size, desiccant usage, to the use of tamper-proof seals and barcode tracking for serialized shipments.

    Feedback inspired us to develop more rugged packaging for field work and automated systems, and to tighten limits on moisture uptake during product storage. These aren’t abstract “value adds”—they have allowed customers to shave hours off prep time, or reduce costly degradation, which shows up as clouded solvents or unexplained loss of activity in bioassays.

    Continuous Improvement and Looking Ahead

    No process remains perfect forever. Customer collaboration and post-delivery analytical review help us spot areas for improvement. Shifts in regulation, evolving detection limits, and user-driven innovation give us productive headaches and opportunities to grow. New purification tools, better traceability technology, and updated analytic protocols allow us to maintain state-of-the-art performance.

    Demand for more sustainable sourcing, lower process waste, and better product traceability will only grow. Implementation doesn’t come overnight or without challenges in a facilities environment built atop legacy infrastructure. We’re tackling these issues head-on by investing in process safety upgrades and sustainable waste management without relaxing our hold on reliability or compound quality.

    Final Thoughts from the Shop Floor

    We don’t leave quality up to chance. Each release of N-Acetyl-5-Hydroxytryptamine marks the end of dozens of deliberate choices: which feedstock passes muster, the way technicians spend extra minutes checking a chromatograph, the decision to audit a cleaning procedure twice before restarting a reactor. Keeping these choices transparent protects not just us, but every researcher or formulation team further downstream.

    Direct manufacturing control, batch transparency, and document-backed guarantees have become our trusted formula. Customers know the origin of every gram, what methods cleared it, and who checked the final specs. We continue to learn from every delivery—sometimes through raw data critique, sometimes through open-field feedback—which tools and habits matter most for reliable, reproducible results. With the pace of scientific discovery accelerating, such discipline and candor offer a steady foundation when moving forward with N-Acetyl-5-Hydroxytryptamine, whatever the final application.