HK Neopharm Limited is one of the most reliable manufacturers and suppliers of diquafosol sodium in China, featured by quality products and good price. Please rest assured to buy diquafosol sodium in stock here and get quotation from our factory. Customized orders are welcome.
Diquafosol Sodium (CAS 59985-21-6) is a core API for dry eye treatment, approved globally. It promotes tear secretion and repairs the ocular surface. We supply high-quality Diquafosol Sodium API meeting ICH Q7, with complete registration documents and global stable supply. As professionalChina Diquafosol Sodium manufacturers, we support Customized Diquafosol Sodium demands.
Technical Specifications
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Product Name |
Diquafosol Sodium |
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Synonyms |
Diquafosol Sodium API , Diquafosol Sodium Powder |
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Characteristics |
A white to light brown crystalline powder |
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CAS Number |
59985-21-6 |
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Assay |
≥99.0% (HPLC, Subject to the COA) |
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Formula |
C18H26N4O23P4 |
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Package |
Technical Package |
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Storage |
Sealed and preserved in a dry, cool place, protected from light and moisture.Recommended storage temperature: below 25°C, refrigeration (2–8°C) is preferred for long-term storage. |
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Structure |
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With advanced synthesis technology, we realize large-scale production of Diquafosol Sodium Raw Material, with full-process quality control. The Diquafosol Sodium Powder has high purity, strong stability and minimal batch variation, suitable for all ophthalmic preparation R&D and production.
Product Features

Mature synthesis process ensures high purity and structural uniformity of Diquafosol Sodium (CAS 59985-21-6), with strict impurity control. Stable physical and chemical properties, suitable for routine storage and transportation.

As a dedicated ophthalmic API, Diquafosol Sodium Powder has clear targets and stable bioavailability, safe and tolerable, suitable for eye drop development. We have Diquafosol Sodium in stock for quick delivery.
Excellent batch-to-batch consistency, supporting large-scale production and dosage form adjustment. Meets international standards, with complete technical documents to facilitate registration. We provide Bulk Diquafosol Sodium Raw Material as Diquafosol Sodium API made in China.
Full-Cycle Quality Control & Consistent Quality
For preparation enterprises, the continuity of raw material quality directly impacts product launch and market layout. Centered on full-cycle quality control, we steadily supply high-grade Diquafosol Sodium API, helping clients reduce R&D risks and improve production efficiency.
We strictly select upstream raw materials and establish stable supply channels, ensuring reliable raw material quality through multi-dimensional testing to avoid final product quality fluctuations caused by source differences and secure production continuity.
Standardized operations are implemented across all production stages, with key processes under strict control to minimize deviations from human and environmental factors, maintaining high consistency for every batch.
Each batch undergoes complete quality inspection to ensure stable performance and controllable impurities, meeting the stringent requirements of preparation development and mass production for reliable client use.
A long-term quality tracking mechanism is established to continuously optimize internal control standards and enhance product stability, supporting long-term cooperation and global market expansion for clients. As reliable China Diquafosol Sodium suppliers, we guarantee stable bulk supply.
Application Scenarios
With precise targeting and reliable clinical performance, Diquafosol Sodium (CAS 59985-21-6) is widely applied in ophthalmic drug development, covering clinical therapy, preparation research and industrial production, offering high-quality raw material support for various ophthalmic medications.
It is suitable for the production of various prescription eye drops for dry eye treatment, effectively addressing insufficient tear secretion and imbalanced ocular surface microenvironment, fulfilling raw material demands for clinical first-line drugs in hospitals and specialty clinics.
It can be used in the R&D of ocular surface protection and repair preparations, targeting eye discomfort caused by digital eye strain and environmental irritation, serving as the core active ingredient for pharmaceutical and care products.

It supports pharmaceutical companies in generic drug consistency evaluation and new drug pharmaceutical research, applicable for formula optimization, process verification and stability testing to smooth registration and approval.
Capable of meeting large-scale production needs of domestic and foreign pharmaceutical enterprises and complying with global mainstream pharmacopoeia standards, it provides stable and reliable Diquafosol Sodium Raw Material supply for export-oriented ophthalmic preparations.
Packaging and Transportation
Reliable packaging and transportation directly affect clients' production schedules and cost control. Tailored to the special storage needs of Diquafosol Sodium Powder, we provide a one-stop packaging and transportation solution to eliminate client concerns.
All packages conform to international pharmaceutical transportation standards, adopting moisture-proof, light-proof sealed structures and special insulation materials to protect products from environmental impacts during delivery. Clear and complete labeling facilitates warehouse management and quality traceability.
We cooperate deeply with world-renowned pharmaceutical logistics companies, building a cold-chain transportation network covering major markets. Full-process temperature control and traceability with real-time anomaly alerts minimize transportation risks and safeguard product quality.
Flexible packaging and transportation options are available, with customized optimal solutions based on order volume and destination. We also assist in preparing customs clearance documents to speed up customs release and shorten delivery lead times.
Our Advantages
We possess a mature production process for Diquafosol Sodium (CAS 59985-21-6), enabling large-scale and stable supply with reliable quality to meet clients' full-cycle procurement needs from R&D to mass production.
Adopting strict quality control standards, the product features high purity, low impurities and excellent batch consistency, forming a solid raw material foundation for the safety and efficacy of preparations.
We offer flexible packaging and transportation solutions with global delivery, supported by full-process cold chain to ensure product quality and on-time, accurate delivery. Clients can directly buy Diquafosol Sodium with confidence in our supply capacity.
A professional technical and service team provides complete registration documents and technical support, comprehensively assisting clients in product R&D and market expansion.
FAQ
Adopting an innovation-driven strategy, we focus on ophthalmic API R&D and process upgrading, developing a green Diquafosol Sodium API production process with independent IP. The product has stable quality and leading impurity control. Our professional R&D team provides services including Customized Diquafosol Sodium synthesis and registration support. As a trusted China Diquafosol Sodium Raw Material factory, we supply Bulk Diquafosol Sodium and cooperate with global partners to develop the ophthalmic industry.
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