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HS Code |
972305 |
| Generic Name | Atosiban |
| Brand Names | Tractocile, Antocin |
| Drug Class | Oxytocin receptor antagonist |
| Therapeutic Use | Tocolytic agent (prevents preterm labor) |
| Route Of Administration | Intravenous infusion |
| Molecular Formula | C43H67N11O12S2 |
| Mechanism Of Action | Blocks oxytocin and vasopressin receptors, inhibiting uterine contractions |
| Indication | Management of preterm labor between 24 and 33 weeks of gestation |
| Contraindications | Hypersensitivity to atosiban, severe preeclampsia, intrauterine infection, fetal distress |
| Common Side Effects | Nausea, headache, vomiting, tachycardia, injection site reaction |
As an accredited Atosiban factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The Atosiban packaging is a white and blue box containing 3 vials, each with 10 mL of sterile solution (7.5 mg/mL). |
| Shipping | Atosiban is shipped in compliance with international regulations for pharmaceuticals. It is packed in secure, temperature-controlled packaging to maintain stability during transit. Handling precautions are followed to avoid contamination or degradation. Proper documentation, including safety data sheets, accompanies each shipment. Delivery typically uses expedited services to ensure prompt and safe arrival. |
| Storage | Atosiban should be stored in its original packaging at 2°C to 8°C (refrigerated), protected from light. Do not freeze. Once opened, any unused solution should be discarded according to local regulations. Always keep out of reach of children. Proper storage ensures the stability and effectiveness of the pharmaceutical preparation until the indicated expiration date. |
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Purity 98%: Atosiban with 98% purity is used in preterm labor management, where it ensures consistent pharmacological efficacy and reliable patient outcomes. Molecular weight 991.2 g/mol: Atosiban with a molecular weight of 991.2 g/mol is used in acute obstetric care, where it provides targeted inhibition of oxytocin receptors to delay preterm birth. Stability at 25°C: Atosiban demonstrating stability at 25°C is used in hospital infusion protocols, where it maintains potency during storage and administration. Aqueous solubility 100 mg/mL: Atosiban with 100 mg/mL aqueous solubility is used in intravenous drug formulations, where it allows rapid preparation and delivery in clinical settings. Sterility grade: Atosiban of sterility grade is used in parenteral administration, where it minimizes infection risk and ensures patient safety. |
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Atosiban stands out as an established solution in the category of peptide-based medicines. On our production floor, we see the real work behind offering a truly consistent Atosiban product. We adhere to strict synthesis and purification controls, not just because guidelines say so, but because it shows in the end result—a stable, pure compound that delivers precise dosing batch after batch. Our Atosiban, model no. ACT-100, comes as a freeze-dried powder, selected for stability and minimization of degradation over time, a lesson we learned through rigorous storage testing.
Many clinicians ask for Atosiban by name due to its specific role in obstetric care. We have watched the growing expectation among practitioners to ensure interventions are targeted. Atosiban provides that: it acts as an oxytocin receptor antagonist, designed for managing preterm labor where halting uterine contractions becomes necessary. The demand for predictable results pushes us to avoid shortcuts and maintain a synthesis route that leaves impurities behind, even when it adds days to the production timeline. The resulting differential purity shows up in lower batch-to-batch variability—something our long-term customers notice right away.
Our investment in quality does not start or end with regulatory inspections; it is built into every step from raw material sourcing through packaging. The peptide synthesis process runs under validated environmental conditions, tightly calibrated for peptide chain assembly. We employ real-time chromatographic checks and peptide mapping, which means nothing leaves our site without meeting stringent release standards. Our teams recognize issues such as peptide aggregation or incomplete cleavage long before product finds its place in a hospital. The physical properties—such as the white, crystalline appearance and moisture resistance—did not happen by accident, but reflect constant iterative improvements over years of experience handling similar peptides.
We keep hearing from hospital pharmacists about the convenience of our vial format, which simplifies reconstitution and reduces preparation error. Each vial contains 6.75 mg of Atosiban, measured by actual peptide content, rather than crude bulk weight. This matters because the difference between total peptide and active content can seriously impact clinical results, a point we drive home to every new team member in our QC department.
Atosiban’s main rivals for preterm labor remain the beta-adrenergic agonists and calcium channel blockers. As a chemical manufacturer, we see differences much earlier in the process. Beta-agonists often are simple, small organic molecules—a different game in formulation and stability. Shelf life can be less of a challenge for them, but their side effect profiles stem from broader tissue interactions. In contrast, Atosiban’s peptide structure gives higher specificity for uterine tissue receptors. During production, we track potential peptide truncations and carry out mass spectrometry confirmation at every step, practices less critical for non-peptide drugs.
Those familiar with magnesium sulfate, another competitor, know it is commonly available and cost-effective, but lacks the target specificity of a peptide antagonist. Atosiban’s structure demands more complex equipment, peptide synthesizers, advanced lyophilization, and humidity-controlled packaging. Magnesium salts, by contrast, offer much higher tolerances for process variability. Our team takes pride in the sophistication required for Atosiban and the additional safeguards we put in place, recognizing these help control adverse events attributed to non-peptide alternatives.
Pharmaceutical buyers often say, “We can swap between suppliers as long as the spec sheet matches.” That logic doesn’t hold for complex peptides. Atosiban is a prime example. Our repeated validation and exhaustive batch traceability mean a hospital can look back and trace every stage—from synthesis resin right down to the type of gas used during lyophilization. If a recall or investigation is ever required, these manufacturing records become invaluable. We have witnessed how poorly documented batches from less experienced sources complicate risk assessment, delay patient care, and reduce clinician trust.
In addition, from years crafting both innovator and generic peptides, we appreciate the limits of “equivalence” between brands. Minor variances in impurity profiles change both the shelf life and usability of Atosiban. Years ago, introducing additional in-process controls, such as additional desalting steps, added weeks to our production cycle, but we saw immediate improvements in product consistency. Supply reliability became stronger, and hospital partners saw fewer unexpected deviations or shortages. This hands-on production experience teaches us to avoid seeing pharmaceutical peptides as just another SKU on a spreadsheet. Each molecule represents a batch of real-world work and knowledge.
The hospital environment demands clarity. Practitioners give feedback on how presentation format, visual inspections, and mixing instructions save them time and reduce the risk of dosing errors. Our lyophilized Atosiban reconstitutes easily, forming a clear, particle-free solution—attributes refined over many batches based on feedback and fine-tuning. Dosage precision matters, and we constantly monitor for fill uniformity and sterility at every part of the assembly process.
End-users often work in high-stress, critical settings. Any ambiguity—cloudiness in solution, unclear labeling, lack of tamper evident closure—immediately erodes trust. By incorporating feedback loops directly from hospital pharmacies and clinical end-users, we’ve implemented real-world improvements such as thinner septa for smoother needle entry, and clearer overprinting on vials. These seem minor, but in our experience, small changes make major differences in clinical workflow and safety.
Recent years brought sharper scrutiny on supply chain vulnerabilities. Raw peptide reagents saw price spikes, freight delays, and uncertain availability. We built a second-tier sourcing network, establishing qualified alternative suppliers for critical building blocks such as amino acid derivatives. Redundant capacity became a lifeline during global transportation crises. Having maintained local stocks of key packaging materials allowed us to sustain deliveries to hospitals even when global freight slowed. First-hand, we saw competitors withered by reliance on single points of failure.
Regulatory requirements also ratcheted up. Agencies request more complete track-and-trace documentation, tighter impurity testing, and more transparent process validation. Instead of responding piecemeal, we pre-emptively updated our batch release system and invested in advanced analytical technology—such as LC-MS/MS and advanced FTIR notes for cross-checking. The move added operational costs, but minimized disruption from new audits, allowing us to guarantee to our customers peace of mind instead of last-minute compliance chaos.
Producing Atosiban pushed our team to develop skills that now benefit production of other peptides. Our lyophilization process, for instance, evolved due to specific stability needs for Atosiban. Optimizing freeze-drying cycles delivered longer shelf life and improved appearance for every batch. Later, we saw how these refinements translated to other products in our catalog. Likewise, our peptide purification suite, originally upgraded for Atosiban’s purity requirement, now enables high-throughput production for newer molecules.
We see the difference these investments make. Lower pyrogen content, tighter batch specifications, and higher yields reduce recalls. At the same time, the additional know-how gives our technicians confidence when troubleshooting unexpected events, whether in water quality or peptide assembly breakdowns. This culture of continuous improvement, grounded in the demanding synthesis of molecules like Atosiban, sets us apart from facilities focused on simpler molecules.
As energy and raw materials costs rise, sustainability has moved beyond idealism to everyday reality. Peptide synthesis does involve intensive use of solvents and protective groups. Years ago, our waste recovery team began capturing and recycling solvents wherever practical. Not only did this cut annual spending, but inspections proved lower environmental impact. Similarly, newer synthesis protocols, inspired by Atosiban process optimizations, reduce reliance on high-waste steps in favor of atom-efficient strategies. The same goes for packaging: moving to recyclable cartons and minimizing secondary packaging helps us serve both the customer and the planet, a theme echoed more frequently by our institutional partners.
We remain vigilant against trade-offs that may compromise product quality. Our experience has shown sustainable manufacturing only has value if resulting products match or exceed traditional benchmarks. Continual dialogue with raw material suppliers allows us to verify green credentials without sacrificing efficacy or shelf life. In this sense, Atosiban’s manufacture acts as a proving ground for balancing modern environmental demands with the reliability practitioners expect.
Technology matters, but people matter more. Our senior chemists have each spent years mastering solid-phase peptide synthesis. Newer staff learn directly on the line, shadowing every step from resin swelling to lyophilizer loading. Mistakes from earlier batches taught us humility—and vigilance: a single deviation in chain elongation or incomplete peptide cleavage can waste a whole batch. We share these lessons with newcomers, not as textbook theory, but as shared, concrete reality.
It is not unusual for a veteran to catch a subtle shift in product performance just by visual inspection or subtle change in solution clarity. Pride in skill and shared institutional memory motivates us to treat every production run with the same intensity as the first. That focus shines through in the feedback we get from partners and underscores why familiarity with real-world production separates a true manufacturer from those simply repackaging imported material.
Atosiban represents years of chemical manufacturing knowledge, continual investment, and real-world experience. It sits at the intersection of scientific precision and practical expectation. Unlike straightforward APIs, peptide products like Atosiban demand a specialized production chain and a team that understands their complexity from molecule to medicine. Our journey with Atosiban runs deep—from testing new synthesis pathways to cracking the secrets of long-term stability under shipping conditions, to fulfilling urgent hospital orders during unpredictable supply disruptions.
End-users and sourcing specialists understand the value only once they face the unexpected: shipment holdups, regulatory inquiries, or special patient cases requiring traceable, reliable supply. Having stood in their shoes, as true manufacturers, we respond quickly, ready to provide full transparency and support, backed not by a slideshow but by production records and the lessons learned in every batch. Atosiban’s story, from manufacturing to bedside, proves that quality, accountability, and experience cannot be glossed over. Every vial reflects the promise and the reality of a manufacturer who stands behind the science, the process, and the people. If you ask about the difference between Atosiban from a real manufacturer and all others, our answer lies in every well-prepared batch, every documented process, and every crisis met with steady hands on the production line.