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Atosiban (CAS 90779-69-4) is a high-purity Atosiban API and polypeptide raw material for pharmaceutical use, acting as an effective oxytocin receptor antagonist for anti-preterm birth drug development. Produced under strict GMP and international pharmacopeia standards with aseptic packaging, Atosiban Powder should be stored sealed at -20℃ away from light. It meets R&D, preclinical and mass production needs, offering compliant support for perinatal drug research.
Technical Specifications
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Product Name |
Atosiban |
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Synonyms |
Atosiban API, Atosiban Powder |
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Characteristics |
A white to off-white lyophilized powder |
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CAS Number |
90779-69-4 |
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Assay |
≥99.0% (HPLC, Subject to the COA) |
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Formula |
C43H67N11O12S2 |
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Package |
Technical Package |
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Storage |
sealed and protected from light, stored at -20℃, and freeze-thaw cycles should be avoided during transportation and storage |
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Structure |
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We are reliable China Atosiban manufacturers supplying high-purity Atosiban raw material with large-scale production and fast delivery. Strict quality inspection and traceability are implemented. We support customized Atosiban, sample testing and bulk orders, with professional cold-chain logistics to ensure stable supply for long-term cooperation.
Product Characteristics

Atosiban (CAS 90779-69-4) adopts advanced polypeptide synthesis and purification, with impurity control superior to industry standards. High purity and uniformity reduce formulation R&D risks, serving as a high-performance core material for anti-preterm birth drugs, reaching international top quality levels.

Produced in full compliance with GMP, a complete quality control and traceability system is built. Each batch is provided with full COA reports, ensuring strong batch-to-batch stability and meeting regulatory audits globally, highlighting outstanding compliance of Atosiban API.
With stable large-scale capacity, we offer flexible supply of samples, pilot and bulk volumes, supporting customized aseptic packaging. Short lead times and fast response fully match pharmaceutical R&D, pilot and industrial production.
Strict low-temperature, sealed and light-proof storage and transportation are applied, with professional cold chain to avoid degradation and retain activity, reducing loss and ensuring safe long-term use of Atosiban Powder.
Full-Cycle Quality Control and Compliance Assurance
Quality is the core competitiveness of pharmaceutical raw materials. Atosiban (CAS 90779-69-4) applies a full-process traceable quality control system, strictly controlled from raw materials to final delivery, ensuring stable quality for drug R&D and production.
From raw material selection to synthesis and purification, every step follows strict standards with complete production records, realizing full control of key parameters, minimizing quality fluctuation and maintaining qualified purity and impurity profile of Atosiban raw material.
Each batch undergoes comprehensive testing with detailed COA reports to ensure uniform quality. Excellent batch consistency reduces formulation development risks and supports long-term R&D and production.
Supported by a mature quality system and standardized production, we continuously optimize processes and stabilize capacity. Atosiban made in China maintains consistent high quality for samples, pilot and bulk supplies, giving customers full assurance.
Application Scenarios

As a key polypeptide API for preterm birth treatment, Atosiban (CAS 90779-69-4) is widely used in drug R&D, preclinical research and industrial production. Its stable quality satisfies diverse demands from pharmaceutical institutions, R&D enterprises and manufacturers.
It is suitable for innovative formulation development including prescription screening, process optimization and pharmacological evaluation by R&D institutions. High purity of Atosiban API reduces interference, ensuring accurate and repeatable research data.
It can be used for pilot scaling and mass production by pharmaceutical companies. With excellent batch consistency and strict impurity control complying with GMP, Atosiban Powder supports smooth and regulated large-scale production.
It fits CROs and research institutes for generic consistency evaluation, meeting method validation and stability testing with international-standard indexes, supporting smooth approval of related projects.
Packaging and Transportation
Scientific packaging and transportation are critical to maintain Atosiban quality. Based on its physicochemical properties and pharmaceutical standards, we provide professional packaging and cold-chain systems to protect activity and ensure safe delivery.
Pharmaceutical-grade aseptic sealed packaging with moisture and light protection is adopted. We offer small trial packs, pilot packs and industrial bulk packs to meet R&D, pilot and mass production storage needs of Atosiban raw material.
All packaging complies with GMP requirements; materials are compatibility-verified with no adsorption or dissolution risks. Sturdy outer packaging avoids damage and ensures stability during storage.
Low-temperature cold chain is implemented during transportation with stable temperature control, avoiding repeated freeze-thaw and light exposure to minimize degradation and ensure full-process quality control.
Logistics tracking enables real-time monitoring, with COA and shipping documents provided. Efficient networks ensure on-time delivery and meet urgent stock demands for Atosiban in stock.

Our Advantages
We possess mature large-scale polypeptide synthesis technology for Atosiban, with stable and controllable processes and impurity control meeting international standards. Stable supply of high-purity API guarantees quality and reduces customers' R&D and production risks.
A full-cycle GMP quality system covering production, testing and release is established, with complete COA reports and full traceability. Excellent batch consistency helps pass regulatory and customer audits as trusted China Atosiban suppliers.


Our flexible supply system provides trial samples, pilot and bulk goods with customized packaging. Short delivery and fast response fully support pharmaceutical R&D, pilot and industrial production.
Strict low-temperature sealed and light-proof cold chain is applied in storage and shipment, preventing degradation and activity loss, ensuring stability of Atosiban made in China and reducing logistics loss.
Backed by professional technical teams and complete after-sales service, we offer technical support, sample verification and project coordination, helping customers shorten cycles, cut costs and achieve long-term stable cooperation.
FAQ
Atosiban (CAS 90779-69-4) uses advanced polypeptide synthesis and full-process quality control, delivering uniform and stable batches with high purity and strict impurity control for R&D and industrial production. It is mainly used in anti-preterm birth drug development, prescription screening and preparation manufacturing, supporting perinatal medication research. As professional China Atosiban factory, we provide reliable supply and services for global customers to accelerate R&D projects.As a professional China abaloparatide factory, we provide reliable supply solutions for global clients to accelerate project progress.
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