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HS Code |
604795 |
| Name | Gimeracil |
| Cas Number | 103766-25-2 |
| Chemical Formula | C5H4FN3O2 |
| Molecular Weight | 157.10 g/mol |
| Drug Class | Dihydropyrimidine dehydrogenase inhibitor |
| Usage | Antineoplastic adjunct |
| Appearance | White to off-white powder |
| Solubility | Soluble in water |
| Administration Route | Oral (in combination products) |
| Mechanism Of Action | Inhibits the breakdown of 5-fluorouracil |
| Common Combination | With tegafur and oteracil (as S-1) |
| Storage Conditions | Store at room temperature, away from light |
| Origin | Synthetic compound |
| Approval Status | Approved in Japan and some other countries |
| Synonyms | CDHP, 5-chloro-2,4-dihydroxypyridine |
As an accredited Gimeracil factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Gimeracil is supplied in a white, tamper-evident HDPE bottle containing 100 grams, labeled with chemical name, lot number, and hazard symbols. |
| Shipping | Gimeracil should be shipped in tightly sealed containers under cool, dry conditions. Protect from light and moisture. Use secondary containment to prevent spills and comply with all relevant transport regulations. Shipping may require hazard labeling; consult the Safety Data Sheet (SDS) and local regulations before dispatching. Handle only by trained personnel. |
| Storage | Gimeracil should be stored in a tightly closed container, protected from light and moisture. Keep at room temperature, ideally between 20°C to 25°C (68°F to 77°F), in a well-ventilated, dry area. Ensure it is kept away from incompatible substances, such as strong oxidizing agents, and store in accordance with all relevant local, regional, and national regulations. |
Applications of Gimeracil in Industrial ManufacturingGimeracil, an industry-grade fluoropyrimidine dehydrogenase inhibitor, enables precise control of 5-fluorouracil (5-FU) bioavailability in advanced pharmaceutical manufacturing. As one of few specialized nucleoside metabolic blockers, its refined application extends beyond active pharmaceutical ingredient (API) synthesis to select downstream domains that demand compliant, controlled formulation and process integration. 1. Oncology Injectable Formulation ManufacturingIn the anticancer pharmaceuticals segment, professionals incorporate gimeracil into the co-formulation of combination chemotherapeutic injectables, particularly in co-packaged and co-lyophilized vials for 5-FU-based regimens. The material enters the aseptic compounding process following sterile filtration of both actives, allowing consistent pharmacokinetic modulation during parenteral treatment. Operators select dose-adjusted ratios to meet the designated product’s bioequivalence and stability profile, with all processes tightly aligned to pharmacopoeial and GMP requirements for cytostatic drug manufacture. Industry compliance standards
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2. Oral Solid Dose (Tablet and Capsule) ManufacturingPharmaceutical manufacturers use gimeracil in oral anticancer agents designed for ambulatory therapy. The material is blended directly with 5-FU analogues and necessary excipients during high-shear granulation or direct compression. Process control focuses on achieving stratified distribution within fixed-dose combination (FDC) cores, maintaining the targeted release profile per monograph delineation. Quality assurance teams reference strict impurity and residue standards set by regulatory pharmacopeias and global GMP guidelines to ensure safety in end-user therapy. Industry compliance standards
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3. Preclinical Research Compound SupplyLeading contract research organizations (CROs) and in-house pharmaceutical R&D divisions utilize gimeracil as a validated research-use ingredient for in vitro and in vivo screening of novel fluoropyrimidine metabolic pathways. Sourcing under GMP-like control, gimeracil is supplied in small-lot aliquots for direct dissolution in buffer systems, facilitating reproducible animal studies and mechanistic PK modeling. All raw material used in this domain complies with stringent research-grade documentation and batch traceability protocols to ensure consistent, regulatory-aligned study outcomes. Industry compliance standards
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4. Bulk API Combination ManufacturingIntegrated bulk API facilities incorporate gimeracil into large-scale synthesis of multi-component APIs destined for onward tableting or aseptic finishing. Typically, the material enters the critical blending phase with fluoropyrimidine intermediates under solvent-controlled conditions, allowing for precise stoichiometric control and impurity limitation. Advanced process analytical technology (PAT) ensures homogeneity before drying, milling, or micronizing to meet downstream formulation particle size requirements. Regulatory oversight demands comprehensive batch documentation and multi-tiered in-process verification as part of the combination API registration process. Industry compliance standards
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In the world of pharmaceutical ingredients, Gimeracil stands out for its unique role in selective chemotherapy. Manufacturing this compound requires experience, deliberate process control, and untiring commitment to both performance and safety. Our facility has dedicated years to not just meeting the usual benchmarks, but to pushing reliability and clarity in this field.
Gimeracil finds its place in several notable cancer treatment regimens. More specifically, it works as a dihydropyrimidine dehydrogenase (DPD) inhibitor. By suppressing DPD, Gimeracil lets co-administered oral fluoropyrimidines like tegafur maintain higher active concentrations in the bloodstream. In practical terms, this potentiates the intended drug’s antitumor activity. Each batch of our Gimeracil upholds the standards set for pharmaceutical-grade production: fine crystalline powder, high purity, and stable performance throughout shelf life.
We know that in the pharmaceutical supply chain, the reliability of one ingredient can affect the entire finished product. Consistent composition determines how well a formulation will perform and how safely it can be delivered to patients.
Every lot of Gimeracil we manufacture passes through stringent testing. Purity usually exceeds 99%, with precise moisture and residual solvent controls. This comes from relentless oversight in the synthesis stages: careful addition of reagents, real-time monitoring, and validated purification methods. Laboratory teams perform both instrumental and manual checks before releasing material for final packaging. We control particle size distribution not just for appearance, but to ensure predictable dissolution rates within finished products.
Packaging lines are engineered for both stability and safety. We select container materials to minimize chemical interactions, limiting possible contamination or degradation during transit or storage. Batch records keep every detail transparent, from raw material traceability to every shift’s process annotation.
Pharmaceutical R&D labs and production planners rely on predictable supply. They see the benefit in working directly with manufacturers like us, instead of intermediaries. Practically speaking, this means faster feedback on technical requests, the ability to customize specific attributes, and direct response to concerns from formulation scientists or regulatory departments. For example, some teams need specific polymorphic forms of Gimeracil, and we can deliver detailed characterization data—from thermographic signatures to chromatographic profiles—without the lag of third-party communication.
Our technical team addresses questions about particle morphology, impurity profiling, or packaging compatibility with practical evidence, not speculation. Over years, this direct communication has minimized the mismatches that sometimes derail critical paths in drug development pipelines.
Very few DPD inhibitors reach the consistency of Gimeracil. Unlike uracil, an earlier inhibitor used for similar roles, Gimeracil shows both greater selectivity and potency in vivo. This difference matters not only to academic researchers, but also to scaling production in the pharmaceutical sector. Lower therapeutic doses translate into more manageable side effect profiles in patients. From a manufacturing perspective, lower required doses keep costs down at the compounding stage and let formulation teams work with less active ingredient per batch.
Most alternative agents—traditional uracil or other pyrimidine analogues—struggle with either instability during formulation or with broader non-specific enzyme inhibition. Gimeracil, due to its chemical integrity, keeps its identity throughout standard preparation and storage protocols. Our synthesis eliminates unnecessary byproducts, so downstream purification demands are less severe, which means faster release and greater overall process safety.
Producing Gimeracil consistently presents real-world challenges. The core synthesis steps involve precise temperature control and timed catalyst introductions. The presence of even minor impurities can influence biological outcomes, making fine filtration and repeated washing essential after crystallization.
Early in our history, temperature fluctuations led to irregular particle formation and an increase in intermediate-stage degradation products. Switching to more robust self-correcting temperature units and staggered feeding of raw materials solved inconsistency. Now, all reaction vessels log real-time data, and alerts trigger stops if anything falls outside of accepted windows. These steps seem simple, but for practitioners who have run both small bench batches and ton-scale reactors, execution and discipline make the difference, not just the equipment.
Our QC group includes chemists who understand the final application of the compound, not just its raw specifications. They look at how small changes in crystallinity might influence dissolution rates or bulk flow, which in turn impact tableting performance at pharmaceutical plants.
Over time, scaling production from kilogram to multi-ton lots taught us lessons about risk. The first runs saw higher than ideal levels of nitrile contamination due to cross-reactivity in earlier reactor designs. That cost days of extra purification, frustrated production teams, and threatened relationships with our key partners. Redesigning equipment took capital, but reduced that impurity level to almost the detection limit. Regular operator training cut down on handling-induced variability, and today, variable process deviations rarely even approach internal action limits. We document this thoroughly for every customer audit; it’s no longer a theoretical advantage, but a proven track record.
Some years ago, a regulatory update changed the acceptable impurity profile for Gimeracil. Because we controlled both starting materials and intermediates firsthand, our R&D team managed quick adaptation. Instead of modifying finished lots, they re-calibrated reaction conditions upstream, which not only reduced the target impurity but improved overall yield. This made an immediate difference for our partners with regulatory filings coming due.
Direct manufacturing carries the responsibility for transparency. Our doors stay open for on-site audits, and we routinely share production data with downstream partners well before final product shipment. The pharmaceuticals industry builds trust on this transparency, and every serious buyer asks about these controls before approving new vendors.
Traditional synthetic organic chemistry sometimes left little room for environmental stewardship. The industry expectation has shifted toward greener chemistry and process improvements that reduce both energy and material waste. For Gimeracil, the journey started with solvent recycling. Solvents from the main synthesis and wash steps, instead of being discarded, get filtered and reused for compatible stages. This cut solvent purchases and dropped overall waste output substantially. It affected the bottom line, but more importantly, it turned waste into another source of value.
Initiatives to optimize water use followed. Reaction quenching and product washing stages once relied on excess rinsing, which led to higher effluent output. We overhauled filtration and drying systems so that each kilogram of finished Gimeracil now uses less than half the water of earlier processes. These changes required both investment and practical flexibility from production teams—everyone from line operators to maintenance staff contributed ideas. Not every change came easily; integrating new evaporation systems forced temporary slowdowns. In the big picture, the effort let us work with partners whose procurement policies demand hard proof of sustainability, not just a promise.
From a manufacturer’s seat, every kilogram of Gimeracil faces intense regulatory scrutiny at both national and export levels. Auditing bodies don’t just want batch testing data—they examine every aspect: origin of raw materials, operator records, cleaning documentation, and environmental discharge logs.
We distinguish authentic material with rigorous documentation and secure labeling. Tagging every container with trackable lot codes, supported by digital batch dossiers, means others can trace the journey of each shipment from synthesis to delivery. Some years, this level of process detail can seem cumbersome, but we see it as the backbone of safe drug supply: every downstream regulatory submission draws on this data, and we never risk shortcuts that threaten product authenticity or compliance.
Changes in regulatory rules may demand new tests for impurities, tighter identification procedures, or stricter shipment seals. By involving both regulatory affairs and production leaders from the very start of any process change, we keep adaptation practical and grounded in operational experience—not just compliance paperwork. Our clients appreciate being able to discuss not only the published specifications, but also the practical pathway their product took before reaching their facility.
As a manufacturer, we value open dialogue with development scientists, process engineers, and product formulators. Early engagement solves problems before they reach production scale. For example, a partner company once needed a slightly larger particle size to improve flow in an automated filling system. After small-scale trials, we examined our own wet milling stages to pinpoint the exact place for adjustment. Together, we developed a special sub-lot, characterized all changes, and updated quality documentation. That specification is now part of their standard purchase.
Requests for real-time stability data sometimes arise when partners file new regulatory applications in different markets. We have dedicated staff to pull extended storage reports, accelerated degradation profiles, or variant packaging stress results. This responsiveness helps partners keep timelines, avoid regulatory frustration, and minimize wasted material on reformulations.
Multiple suppliers now populate the global pharmaceutical raw material market. What sets our Gimeracil apart isn’t simply batch-to-batch consistency. Years of operational discipline, operator engagement, and targeted investments ensure both specification tightness and practical support. Deep inventories, proactive shipment planning, and rapid troubleshooting services keep supply lines resilient against real-world disruptions: logistics slowdowns, compliance updates, or sudden swings in partner demand. Most critically, our technical support sits close to the manufacturing floor—questions seldom disappear into the void. We track every inquiry until it receives a complete answer, not just a polite response.
Whereas some traders or contract manufacturers focus on cost, we think about the broader cost implications of every step. Avoiding failed lots, minimizing discard, and staying ahead of regulatory requests offers far greater value than chasing the cheapest route to a bulk shipment. Pharmaceutical partners gain not just a reagent, but a reliable upstream relationship that solves problems beyond the order form.
Innovation in oncology isn’t slowing down. Pharmaceutical scientists regularly explore new chemotherapeutic combinations; many novel agents look for synergy with DPD inhibitors such as Gimeracil. We maintain small-lot production options for preclinical and early-phase clinical groups, so innovators can refine formulations and dosing with the same compound quality as full-scale lots. Whenever researchers develop new solid forms, long-acting formulations, or delivery methods, we offer both physical samples and detailed process know-how drawn from years of handling the compound.
These efforts go beyond just delivering product. We run joint sessions on analytical method development, troubleshooting tough impurity challenges, and exploring alternative synthetic routes that might deliver lower environmental impact or higher recovery rates. Every lesson learned—whether in successful process improvements or challenging bottlenecks—feeds back into our core manufacturing operation and supports an ever-growing network of partners intent on safer, better treatments.
Over time, we adopted real-time analytical systems at key production stages. These instruments, from HPLC to FT-IR, monitor impurity evolution and critical process parameters minute by minute. Alarms prompt immediate human intervention; process engineers stay in the loop, reviewing real-time dashboards from any site terminal. This early warning system minimizes batch loss and ensures specification adherence at every stage.
Advances in reactor design let us cut reaction times without crossing temperature thresholds that encourage byproduct formation. Automated feed systems reduce error by limiting human input to critical decision points. This lowers the risk of error while preserving the creativity and experience of the operators—our most important chemical “asset.”
We invest in training for operators and technicians, ensuring they understand not only how but why each critical point matters in the process. Bringing together cross-functional teams means each improvement carries both theoretical and practical input. These investments deliver a more robust Gimeracil, supporting today’s top-tier requirements and tomorrow’s next-generation oncology therapies.
At the root of our process, the measure of factory performance comes down to patient outcomes. Every kilogram of Gimeracil runs along a chain that ends up in oncology centers, hospital pharmacies, and eventually into the hands of patients in need. Consistent supply, verified safety, and deep traceability define our commitment far more than any sales figure. Years on the manufacturing floor teach that uninterrupted medicine supply means everything to formulators and clinicians. There’s no shortcut to peace of mind in these stakes—only hard work, transparent reporting, and a willingness to adapt when technical problems arise.
We keep our focus on making Gimeracil that stands up to practical testing, rigorous regulatory review, and, above all, clinical need. Our teams measure performance by how smoothly every step—from raw material receipt to final pack-out—delivers what partners expect. Whether for longstanding pharmaceutical partners, research units pioneering new therapies, or clinical programs reaching new patients, our promise rests on consistent, proven reliability.