|
HS Code |
271162 |
| Cas Number | 2491-53-6 |
| Molecular Formula | C5H6N2O |
| Molecular Weight | 110.12 g/mol |
| Iupac Name | 5-methyl-1H-pyrimidin-2-one |
| Appearance | White to off-white solid |
| Melting Point | 188-190°C |
| Solubility In Water | Slightly soluble |
| Smiles | CC1=CN=CNC1=O |
| Purity | Typically ≥ 98% |
| Storage Temperature | Store at 2-8°C |
| Synonyms | 5-Methyluracil |
As an accredited 5-Methyl-2(1H)-pyrimidinone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle containing 25 grams of 5-Methyl-2(1H)-pyrimidinone, tightly sealed with a screw cap, labeled with hazard symbols. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL) for 5-Methyl-2(1H)-pyrimidinone: Typically 12–14 metric tons, securely packed in drums or bags, ensuring safe transport and compliance. |
| Shipping | 5-Methyl-2(1H)-pyrimidinone is typically shipped in tightly sealed, chemical-resistant containers to prevent contamination and moisture ingress. It should be packed and labeled according to applicable regulations. During transport, the chemical must be kept away from heat, direct sunlight, and incompatible substances, ensuring compliance with safety and environmental guidelines. |
| Storage | 5-Methyl-2(1H)-pyrimidinone should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Protect from moisture and direct sunlight. Ensure the storage area is equipped to prevent accidental release and is compliant with local regulations and chemical safety guidelines. Store at room temperature unless otherwise specified. |
| Shelf Life | 5-Methyl-2(1H)-pyrimidinone should be stored tightly sealed, protected from light and moisture; shelf life is typically 2–3 years. |
Competitive 5-Methyl-2(1H)-pyrimidinone prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615371019725 or mail to sales7@boxa-chem.com.
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Each batch of 5-Methyl-2(1H)-pyrimidinone coming out of our factory carries both the weight of experience and the responsibility we have built over decades in chemical synthesis. Our process has grown through years of troubleshooting, fine-tuning, and hands-on problem-solving. Making this pyrimidinone derivative is more than a process—it’s a commitment that covers raw material selection, reaction control, and packaging. This chemical stands as both a challenge and a testament. The methylation at the 5-position on the pyrimidinone ring changes not only the physical properties but also the way downstream users approach their formulations. As manufacturers, we work to keep our standards high and innovate practical solutions for every new order that moves through our site.
There are no shortcuts to the kind of purity customers demand for research or fine chemical synthesis. In our experience, achieving greater than 99% requires close attention—clean reactors, routine spectrometric verification, and operator discipline. We go beyond the usual spot-checking. By the time a drum leaves the packing line, it has passed rigorous in-process checks and random sampling that we ourselves rely on when using our material for toll syntheses. Issues like trace amines or unknown tars don’t just delay a shipment—they threaten downstream reliability. This is why we maintain strict in-house protocols, and we do not release any lot unless we are satisfied that it meets both the written specification and the expectations of a user who crafts products where batch-to-batch consistency matters.
Handling every part of production ourselves exposes us directly to feedback. Sometimes the differences only appear in actual end-use, such as unexpected chromatographic results or heavy product odor—subtle cues missed until costly delays halt a project. Over the years, we have taken back product from intermediaries who failed to keep cold chains or introduced minute contaminants. Whether it’s crystal habit, solubility issues, or colored trace impurities, these details set our output apart. We do not blend or bulk up with off-cuts; our entire philosophy rests on being able to stand behind every invoice and every label. For clients who build value on reliability, not just a price point, these small distinctions add up quickly.
Daily, we encounter inquiries that challenge us to discuss not just basic specs, but actual workability. Researchers have come to us with questions on how our 5-Methyl-2(1H)-pyrimidinone behaves in dry or semi-aqueous processes, in photochemistry, or under heat stress. Over time, we have catalogued these scenarios, drawing on test runs and actual usage data. For industrial users, it’s not just about supplying a powder. Often, they need to scale experimental methods upward, and we share the lessons we’ve learned about rate of addition, storage risks, moisture sensitivity, and decomposition. These conversations force us to keep learning. Supporting customers doesn’t end with a shipment, and each problem that crosses our desk helps shape both product quality and our grasp of broader market needs.
Our main commercial grade exhibits a melting range in line with published data—closely controlled to avoid polymorphic transitions that can throw off a downstream process. Density and lattice structure are monitored because a shift in these properties may signal byproduct retention or poor recrystallization. Solubility in typical polar solvents like DMF, DMSO, and acetonitrile is tested before we scale larger batches. We document absorbance and peak purity by HPLC, noting any side products that emerge due to process drift or aged feedstocks. None of these checks exist for academic interest alone; they close the loop from pilot investigation to real-world application. This knowledge comes from years of watching small changes in process lead to unplanned hurdles for chemists running time-sensitive projects.
Most of our 5-Methyl-2(1H)-pyrimidinone output goes to pharmaceutical and agrochemical clients as a building block for higher value synthesis. Medicinal chemists value the pyrimidinone core for heterocycle construction, especially in nucleoside analogs and proprietary new-to-market scaffolds. Several partners use our material in combinatorial screening—a process that lives or dies on material consistency and absence of interfering residues. We have watched medium-sized pharma partners switching to us after unplanned downtime due to inconsistent supply from unknown sources. In the agrochemical world, demand runs on seasonal cycles, but the expectation for shelf life and batch stability stays constant. Industrial research collaborators depend on us to catch drift in the specification that could threaten patents or add variable costs on a new scale-up campaign.
We started with kilogram lots, and we learned early that challenges multiply as batch sizes scale upward. Heat transfer, mixing uniformity, and timing take real-world experience to get right at the bench and reactor scale. Each new batch undergoes a deliberate scale-up protocol. Our staff knows not to assume that a five-liter run maps easily onto a 500-liter vessel. Thermal runaway, incomplete conversion, or subtle changes in crystal morphology can create headaches for the end user. We keep our teams focused on repeatability, not shortcuts. Each lot is shaped by hundreds of small choices made by skilled staff who know the product and its quirks inside out.
5-Methyl-2(1H)-pyrimidinone stands up well to dark, sealed shelf storage. Even so, we have seen what accidental light or moisture ingress can do—caked powder, changes in color, or sour odors that show up even before major loss of material strength. Our warehouses operate humidity- and temperature-controlled zones, with continual inspection. If a customer asks for storage advice, we urge them to trust experience over theory: keep tightly sealed, minimize air exposure, protect from light, and avoid repeated opening and closing. Small preventive actions save expensive headaches and reduce losses from failed batches further down the chain.
Supplying chemicals directly demands up-to-date compliance documentation: technical files, batch traceability, and certificates of analysis. Over the years we have completed multiple audits, responded to customer due diligence requests, and dealt with changing standards in transport and import. A steady focus on these issues means files stay updated and every lot can be backtracked with few holes in the record. We interact with customs offices, local and regional authorities, and trusted third-party auditors. Our technical staff answers regulatory queries quickly, based off both internal protocols and real interactions with authorities. This cuts delays for our customers and builds long-term trust.
Sometimes a client requires a nonstandard particle size, a defined moisture specification, or lower residual solvent content. We handle these needs with the flexibility only possible from controlling our own manufacturing schedule. If a researcher needs ten closely matched lots for a multi-arm study, our batch logs and in-process controls allow for highly reproducible supply. When an industrial partner brings a new purification ask, our technical teams work out the solid-liquid separation or recrystallization change in parallel with the customer’s pilot lab. For projects that stretch beyond routine catalog chemistry, this willingness to adjust batch size, processing strategy, or finishing can mean the difference between a stalled project and a successful launch.
Long-term safety rests on hard-won habits, not paperwork. Each handling protocol for 5-Methyl-2(1H)-pyrimidinone is the result of ongoing risk review, real incidents, and robust training. Spill-handling procedures have come out of lessons learned on our own floor—the best scenario for dealing with hazards always starts with proper prevention. Our personal protective equipment guidelines reflect what our staff actually uses and trusts. We invest in regular safety drills and make sure that even highly experienced operators update their knowledge as processes and personnel change. Delivering clean drums to customers worldwide relies on these constant checks, not just compliance certificates.
Running a manufacturing operation means facing fluctuating costs—raw materials, energy, transport, and compliance. Every year brings its own surprises, from feedstock volatility to shipping slowdowns. Our way of dealing with this is open communication. We discuss market realities and put out clear forecasts as best as possible. For longstanding clients, this candor has built relationships that outlast single contracts. Product security matters more than bottom-of-the-barrel price, especially for companies running complex, high-stakes projects. Over the years, honesty about supply constraints, allocation procedures, and price revisions has helped our customers plan with fewer shocks and more confidence.
Being a manufacturer is not a solo job. Our chemists, operators, maintenance crew, logistics planners, and compliance specialists all shape every shipment. Small suggestions from the packing line have turned into process optimizations that now benefit countless customers. Operators spot trends before they become issues—unusual caking, unexpected odor, or subtle viscosity changes. Our internal communication allows developments and concerns to filter quickly to the right manager. Nobody here works in isolation; everyone knows how their effort shapes customer satisfaction and factory efficiency. This tight coordination keeps our production flowing even as new challenges appear every season.
Global logistics never runs as smoothly as it seems on spreadsheets. We’ve weathered port closures, customs strikes, and container shortages. It’s a constant learning experience—knowing which shipments need extra documentation or where criminal interception of containers is a risk. Our supply chain team maintains trusted contacts with experienced forwarders. We double-check labeling, doping, and handling for dangerous goods, as required by law and by experience. For sensitive materials like 5-Methyl-2(1H)-pyrimidinone, controlled temperature and moisture conditions mean far less spoilage and customer frustration. Each lesson from a misrouted shipment or late customs clearance turns into a step in our continuously refined logistics practice.
Chemical manufacturing does not take place in a vacuum. Waste reduction, water recovery, and energy efficiency are real operational concerns, not PR copy. We run closed-loop systems, track solvent use, and keep a close watch on byproduct streams. Investments in cleaner process technology have allowed us to reduce both costs and environmental impact over time. We meet local emissions targets and cooperate with fellow factories in waste sharing or recovery programs. All of these efforts come out of necessity and a belief that practical, responsible manufacturing serves us all in the long run. Customers benefit, neighbors benefit, and so does the business.
Trends in life sciences, specialty chemicals, and crop science have shifted, but demand for strong, reproducible intermediates does not fade. The methyl-substiuted pyrimidinone core structure supports a wealth of new molecular designs—from drugs in early stage discovery to crop protection agents in global agriculture. Innovation depends on access to reliable starting materials. Through regular technical exchanges with industrial partners, we stay alert to changing structural trends and applications. Each query about a proposed new use—whether in DNA ligation kits or antifungal R&D—triggers us to test, confirm, and report back with hard-won facts, not only catalog entries.
Our customer base stretches from large multinational groups to university spin-outs and small discovery labs. We have learned to handle credit terms, customs documentation, and specialized packing for destinations on every continent. Repeat clients often share data from their own applications, alerting us to trends in reaction compatibility or formulation challenges. This dialogue helps steer both our R&D direction and future batch planning. Knowledge does not flow one way. We learn as much from our clients’ experiments as they do from the technical data we share. Growing with customers means adapting, not just delivering.
Manufacturing any specialty chemical, and especially 5-Methyl-2(1H)-pyrimidinone, never reaches a final stage. Every production run becomes both a validation of established methods and a live opportunity to improve. Our teams review every customer concern and adapt processes. Feedback from client labs becomes part of our next run protocol. By maintaining a culture of improvement—from procurement through to packaging and logistics—we not only stay relevant, we remain valuable. It’s an investment of time and skill that pays off in both quality and relationships.
Getting your 5-Methyl-2(1H)-pyrimidinone directly from the manufacturing source creates efficiencies and trust. This is not just a matter of traceability or cost. It is about knowing that questions and problems will receive knowledgeable answers, shaped by real shop floor experience. Our support teams know the quirks of both the chemistry and the practicalities, because they work with the product day in, day out. In a world where supply chains grow ever more complicated, direct access to the producer makes for fewer surprises, faster resolution, and better outcomes for everyone involved.
Making and shipping 5-Methyl-2(1H)-pyrimidinone has tested us through market swings, regulatory change, and evolving client expectations. The lessons learned have shaped a product and a service that do more than meet an order—they safeguard downstream innovation. Through a combination of technical rigor, adaptability, dedication to transparency, and open communication, we continue to build trust batch by batch. This is manufacturing at its most honest: rooted in practical reality, delivered with pride, and sustained by the success of our partners.