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5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione

    • Product Name 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione
    • Alias Carmustine
    • Einecs 205-553-7
    • 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

    496130

    Chemicalname 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione
    Synonym Carmustine
    Molecularformula C5H9Cl2N3O2
    Molecularweight 214.05 g/mol
    Casnumber 154-93-8
    Appearance Yellowish crystalline solid
    Meltingpoint 30-32 °C
    Solubility Soluble in alcohol and lipids; sparingly soluble in water
    Boilingpoint Decomposes before boiling
    Pubchemcid 2577
    Smiles C1=NC(=O)N(C(=O)N1)N(CCCl)CCCl
    Logp 1.5
    Storagetemperature 2-8°C (Refrigerator)

    As an accredited 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, 25 g net weight, tightly sealed with tamper-evident cap, labeled with chemical name, hazard symbols, and handling instructions.
    Shipping The chemical 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione must be shipped as a hazardous material. It requires secure, leak-proof packaging, appropriate hazard labeling, and adherence to all relevant regulations (such as IATA, DOT, or UN guidelines). Shipment should be in temperature-controlled, ventilated cargo with handling by trained personnel only.
    Storage `5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione` should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from direct sunlight, heat, and incompatible substances such as strong oxidizers. Handle in a designated chemical storage cabinet, preferably with secondary containment. Always label containers clearly, and restrict access to authorized personnel only. Use appropriate PPE when handling.
    Application of 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione

    Applications of 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione in Industrial Manufacturing

    As an established manufacturer, we supply 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione to key industrial sectors requiring advanced performance and rigorous compliance. Below are the main downstream applications based on direct market usage, with details relevant to procurement, technical teams, and production managers.

    1. Active Pharmaceutical Ingredient (API) Synthesis – Antineoplastic Agents

    This compound serves as a crucial intermediate in the synthesis of certain cytotoxic antineoplastic APIs. Pharmaceutical manufacturers use it for producing drugs like alkylating chemotherapy agents, where strict control over purity and functionality is vital for regulatory filing and patient safety. Its role in the reaction chain involves nucleophilic substitution and heterocyclic ring modification in dedicated GMP facilities.

    Industry compliance standards

    • ICH Q7 GMP for APIs
    • US FDA 21 CFR Part 210/211
    • EU GMP EudraLex Vol IV
    • Pharmacopoeia: USP, EP, JP monographs for related chemotherapy drugs

    Typical usage ratio

    • Varies from 8% to 12% by mass in multi-stage API synthesis batches, adjusted based on targeted molecule and process yield

    Downstream process integration

    • Charged as a starting intermediate in high-purity closed reactors during initial alkylation and condensation steps
    • Requires solvent-based processing and in-line monitoring for impurity control
    • Integrated into validated GMP workflows including filtration and recrystallization

    Final product types

    • Bulk APIs for injectable cytotoxic drugs
    • Tablet-grade API for oral chemotherapy formulations
    • Lyophilized API for parenteral dosage forms

    2. Synthesis of Specialty Chemical Intermediates

    Fine chemical producers employ this material for targeted manufacturing of pyrimidine-based intermediates, which are subsequently used in the development of research reagents and custom synthesis building blocks. The material’s bis-alkylating functional group enables specific halogenation and thiolation reactions for specialty downstream molecules needed in high-complexity synthesis projects.

    Industry compliance standards

    • ISO 9001:2015 Quality Management System
    • REACH Annex VII Registration (for >1 t/year in the EU chemical sector)
    • Responsible Care® chemical process safety

    Typical usage ratio

    • Generally dosed at 5%–15% by molarity relative to the target intermediate, with adjustment based on target functionality and yield optimization cycles

    Downstream process integration

    • Added to batch reactors after temperature equilibration and solvent charge
    • Follows titration sequencing and controlled addition for stepwise modification
    • Supports pilot and commercial scale synthesis campaigns

    Final product types

    • Halogenated and thiolated pyrimidine intermediates
    • Research-grade reagent standards
    • Reference substances for chemical analysis and R&D scale formulation

    3. Precursor for Laboratory Diagnostic Reagents

    Manufacturers of diagnostic raw materials utilize this compound within the segment of laboratory-grade reagents. It acts as a controlled agent in the preparation of cytostatic controls and marker substances for in vitro chemical assays, enabling targeted pathway inhibition studies. Its consistent reactivity profile ensures batch-to-batch reliability critical for reference reagent lots.

    Industry compliance standards

    • ISO 13485:2016 for diagnostic components
    • GLP compliance for laboratory reagent production
    • Labeling and safety compliance per GHS/CLP standards

    Typical usage ratio

    • Dosed at 0.5%–3% (w/w) in finished reagent blends, depending on sensitivity and control standard requirements of each assay

    Downstream process integration

    • Integrated during bulk reagent blending prior to aliquoting and QA release
    • Typically filtered for particulate control
    • Monitored for chemical identity via validated HPLC methods

    Final product types

    • Assay reference controls for cytostatic assays
    • Biochemical inhibitor panels
    • Standardized test kits for laboratory R&D diagnostics

    4. Chemical R&D Reference Material

    Research organizations and contract development companies procure this compound as an analytical reference material. It is essential for method validation, impurity profiling, and structural elucidation within regulated environments. Stringent batch certification meets the traceability demands for advanced R&D and regulatory filings.

    Industry compliance standards

    • ISO/IEC 17025 testing laboratory accreditation
    • Analytical standard specification per USP General Chapter <11>
    • High purity confirmation using NMR, LC-MS, and HPLC traceability

    Typical usage ratio

    • Supplied in microgram to gram-scale aliquots for high-precision reference analysis; end-user dosage tailored to calibration requirements

    Downstream process integration

    • Utilized as a reference in analytical method development programs
    • Spiked in validation trials for impurity detection systems
    • Supports structural elucidation via spectroscopic techniques

    Final product types

    • Standardized analytical reference chemicals
    • Validated calibration standards for pharmaceutical QC labs
    • Regulatory submission packages for drug development dossiers
    Free Quote

    Competitive 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione: Direct Manufacturing Perspective

    Understanding Our Direct Production of 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione

    Putting hands to equipment, observing the real shifts in raw material quality, and solving practical bottlenecks every day, we stand squarely as a direct manufacturer of 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione. This product emerged from years of investment in synthesis control and hands-on knowledge of where reagent variability leads. We avoid fixing weak points in the market by focusing on stepwise optimization, so the outcome fits tough regulatory and technical expectations from pharmaceutical, research, and chemical applications.

    Model and Physical Attributes: What Stands Out in Our Product

    Working with this compound day-in, day-out, we know that consistency in the molecular structure means everything for downstream customers. Our batches reflect direct process oversight. Typical output comes in the pure, white crystalline form, with melting points monitored during crystallization – not all sources can promise this stability without batch segregation slipping into routine. Moisture and particle size stay in tight ranges. On the floor, trace ions and residual solvents matter: not just on a specification sheet, but in actual product performance for those running bioactive syntheses or advanced polymerizations.

    Quality headaches often start from the upstream. Easy-to-miss steps like filtration timing, or filtration material selection, alone change the game by shifting impurity profiles. We handle solvent reclamation and waste separation to avoid contamination that creeps in with recycled charge stocks. Every kilogram finishes with both HPLC and NMR checks: we owe that approach to years spent troubleshooting failures in clinicial-grade and technical-grade projects.

    Production Flow: A Manufacturer’s Eye on Real Constraints

    We’re not remote from the valves, tanks, or reactors. Our preparation of 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione leverages a batch process driven by strict temperature and pressure controls during chlorination and amination. Small deviations at these points affect impurity carryover, and only hands-on adjustments – the kind that follow visible reaction color and titration data – give repeatable results. Solvent choice, acid acceptance, and cooling rates respond to practical lessons, not theoretical ideals documented in patents. Our chemists know the smell of problematic lots and intercept issues before clearance to blending and package.

    Operator training bears as much weight as the instrument calibration. Relying only on paper protocols means nothing when loaders recognize suspension or pH changes before the numbers do. That keeps downstream qualities like crystallinity, dusting tendency, and color within scope. It also shortens downtime due to batch rework and allows faster resolution if customer labs report something off-spec.

    Batch Consistency: Why Real-Time Oversight Beats Specs on Paper

    Industry clients tell us plain: changes in trace impurity or melting point can mean real differences in performance, whether for an antineoplastic route or an advanced intermediate. We listen as much as measure. Sometimes, a pharmaceutical group detects a new side product after changing vendors. Often, the root cause circles back to small, undetected changes from a supplier who never made the batch directly. We stand on the floor, tuning inputs and outputs every week, because those small odds and ends – humidity, trace metal drag, solvent loads – shape user results.

    Raw data from our own reactors tells us that winter humidity spikes and summer cooling limitations can shift key parameters. We document every deviation and share real-time updates with upstream and downstream teams. Not every synthesized lot goes to market. Rejecting batches doesn’t just keep specifications tight – it protects the reliability we’ve built for contract and own-label customers who face regulatory scrutiny. The weight of compliance falls heavier on those who mix products from multiple indirect sources; we bear it upfront, so users do not face the domino effect of hidden impurities.

    Safety Standards and Worker Input: Direct Lessons from the Chemical Floor

    Manual hazard control and direct operator input matter far more than any printed protocol or remote assurance. We tackle risks from bis(2-chloroethyl)amine handling and pyrimidinedione stabilization with redundant ventilation, real-time air monitoring, and buddy systems unique to the process, not lifted from general chemical SOPs. Our workers advise on glove changes, PPE improvements, and engineering controls every quarter, since they see exposure risks before they develop into incidents.

    Missteps in handling volatile reagents – even by half a percent – invite batch failure or worse. Even after years of operation, fresh operator feedback results in small but crucial shifts in staging and transfer protocols. By assigning experienced operators for all critical steps, and tracking near-miss events, we’ve lowered incident rates and improved response times to anomalies that generic safety manuals would overlook.

    Environment and Waste Control: Beyond Claims, Actual Practices

    We don’t see waste management or effluent treatment as checkboxes. Chloroethyl amines pose direct risk to aquatic environments. We run onsite biological treatment units, backed by offline analysis after every large synthesis campaign. Tracking actual versus expected disposal streams taught us where unexpected losses come from; routine sampling in plant drains and sump tanks turned up byproducts that literature glosses over.

    Solvent recovery, air control, and drum management came from lessons learned after repeated compliance audits. We treat environmental monitoring as ongoing, not as snapshots during annual inspections. All changes in chemical usage or output involve full review of end-point emissions. This discipline works deeper than compliance – it boosts genuine operating efficiency, saves cost on solvents and reagents, and reduces local impact where our staff live.

    Why Reliable Manufacturing Makes a Difference in Research and Production

    We hear feedback from those who run organic synthesis, medicinal chemistry, and academic labs: supply inconsistencies burn hours of work. Each impurity or unknown peak in NMR triggers reruns and troubleshoots, adding stress and delays. Many have switched from distant traders after facing uncertainty in critical projects. Direct manufacturing focus, with routine batch histories and traceable origin, takes out the guesswork.

    Scale-up challenges reach a new level with this compound. Many labs can prepare a few grams for one-time use. Delivering hundreds of kilograms without cumulative impurity build-up or material handling missteps calls for ongoing investment, not one-time luck. We tweak process controls based on real scale, plant layout, and equipment changeover, so users do not shoulder unexpected changes when batches scale up from kilo lab to pilot plant.

    Comparing to Other Market Offerings

    Experience shows that batch differences drive outcomes for sensitive projects, whether in early-stage pharmaceutical research or in specialized monomer production. Indirect channels often blend materials, which dilutes the ability to trace a single anomaly back to its source. Direct manufacturers tie each lot to its origin, adjustment, and actual process time, which lets investigation resolve issues quickly. Over time, researchers told us some resellers lack transparency when material fails; we address this with accessible data packages, retained reference samples, and operator-accessible logs.

    Third-party vendors sometimes pass off material of variable origin. Pricelists frequently look comparable but hide differences in batch date, remanufacturing history, or storage condition. Process scientists require consistent response in biological tests, synthetic steps, or material properties. Direct access to the manufacturing team speeds up technical problem-solving, so long as users tap into the deeper pool of process knowledge gained from first-hand synthesis and troubleshooting. Engineers on our floor spot source-specific handling tips that text or email alone cannot transmit.

    Optimizing Use: Guidance Rooted in Actual Practice

    Downstream users depend on batches with minimal batch-to-batch variation, since process reproducibility at their site links directly to our lot-to-lot control. Every loading, blending, or formulation step in the customer’s plant leans heavily on material consistency. We collaborate directly on process integration recommendations, drawn from feedback and joint projects with pharmaceutical and specialty chemical teams. End-user needs flowed back into our adaptation of drying, sieving, and packaging approaches, after seeing the everyday hurdles in their labs.

    We encourage open feedback so necessary tweaks become possible. Sometimes, our partners required fine adjustments in moisture content, or particular sieve fractions to suit automated feeders. Real-world requests replaced theoretical settings, bolstering our batches for both manual and automated dosing systems. Periodic site visits and shared troubleshooting accelerated new runs, saved costs, and bolstered safety for all.

    Challenges in the Supply Chain: Frontline Realities

    Direct feedback from logistics and warehousing tells us that even well-packaged shipments face threats in transit: vibration, temperature spikes, and mechanical shock all count as invisible variables. Finished material leaves in robust drum or lined bag configurations, fit for both air and sea freight, but our warehouse staff and partner shippers test every batch for new risk points. Seasonal delays, customs processes, and regulatory shifts all pile on unpredictably. Our on-site shipping team tracks lot progress, not just for recordkeeping, but for direct intervention when storms, strikes, or customs halts occur.

    Customers told us that missed documentation or delayed certification lead to rework and lost time. We invest in accurate, up-to-the-minute batch record retrieval, so customers facing audits or regulatory checks do not get left scrambling for validation. Original reports come from our own laboratories – not outsourced templates – so they hold up under regulatory review.

    Differences That Direct Manufacturing Provides

    Direct manufacturers take on the responsibility of process change, risk management, and user feedback, tied tightly to actual operating records. We hold not just the need to meet minimum specifications, but to handle nonconformities and trace any anomaly to its root cause. Large-scale users noticed that previous traders struggled to address recurring issues over time, while as a primary producer, tracing the root to a process change or raw material lot is only a daily reality here.

    Adapting our process to new regulatory signals or technical requirements happens onsite, without endless back-and-forth between intermediaries. By placing R&D and production feet away from each other, optimization cycles shrink from months to days. We’ve seen how faster adaptation to customer need, real-time batch feedback, and proactive incident follow-up directly benefit client outcomes, save cost, and protect both workers and end-users.

    Whereas many traders issue broad claims of quality or compliance, we invite partners to visit, audit, and test right alongside our production crew. These open-door practices incentivize a culture where ownership—all the way to the reactor and warehouse—trumps blame-shifting. Our teams build trust through direct communication, practical adaptation, and joint problem-solving.

    Solutions to Persistent Issues: What Actually Works Long-Term

    Regular auditing of internal processes, supported by operator-driven change logs and root-cause analysis, shrinks error rates and sharpens long-term process stability. We follow up every customer complaint or out-of-spec report with a systematic review, pulled directly from operator entries and product histories, not just from management summaries. Issues with yield, residual solvent, or crystalline habit get measured, reviewed, and integrated into the next synthesis campaign.

    Instead of batch-blending or quick-fixing, we prefer batch reworks or targeted process corrections, since mixing flawed and good material only invites recurring failures. New projects move forward after review of both technical findings and ground-level operator suggestions, refining the process with each cycle. Ongoing dialogue with key customers brings new proposals for energy-saving or workflow improvements, leading to practical shifts in aging, drying, or cleaning steps for further cost control and environmental gains.

    Summary: Practical Impact for Users and Producers

    Direct production of 5-[(Bis(2-Chloroethyl)Amino]-2,4-(1H,3H)Pyrimidinedione rests on shared experience between frontline production and technical teams. Each lot reflects a history of technical adaptation, frontline feedback, and regulatory attention built up across hundreds of runs. We think of product value in terms of actual reliability, consistent performance, and support throughout the product lifecycle — not just specification compliance or headline rates. The value traces directly to hands-on manufacturing, persistent process improvement, environmental discipline, and day-to-day customer engagement.

    In the fast-moving specialty chemical world, supply assurance, batch reproducibility, and open technical exchange define the difference between success and persistent bottlenecks. We take pride in delivering these not through distant supply chains or paper assurance, but by holding the levers ourselves, in the factory where product, people, and process work side by side.