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Oseltamivir Phosphate
Oseltamivir Phosphate
CAS No.:204255-11-8
Molecular Formula:C16H31N2O8P
Molecular Weight:410.4
PRODUCT NAME:Oseltamivir Phosphate

Product Description: Oseltamivir Phosphate

Discover a reliable defense against the flu virus with our Oseltamivir Phosphate, a proven antiviral medication designed to combat influenza A and B. With its potent action against the flu virus, it can help alleviate symptoms, reduce the duration of illness, and prevent complications associated with the flu.

Key Features:

1. Effective Antiviral Action: Oseltamivir Phosphate is a neuraminidase inhibitor, a class of antiviral medications that specifically target the flu virus's ability to replicate and spread within the body. By inhibiting the neuraminidase enzyme, the virus is unable to escape from infected cells, slowing down its multiplication.

2. Rapid Symptom Relief: Our Oseltamivir Phosphate works to alleviate flu symptoms such as fever, cough, sore throat, body aches, and fatigue. It can significantly reduce the severity and duration of symptoms, helping you recover faster and get back to your daily activities.

3. Early Intervention: For the best results, it's recommended to start taking Oseltamivir Phosphate as soon as flu symptoms appear or within 48 hours of symptom onset. Early intervention can enhance the medication's effectiveness in curbing the virus's impact.

4. Flu Complication Prevention: By reducing the viral load and slowing down viral replication, Oseltamivir Phosphate may help prevent severe flu-related complications such as pneumonia, bronchitis, and hospitalization, especially in high-risk individuals.

5. Proven Safety: Oseltamivir Phosphate has undergone extensive clinical testing and has been approved by regulatory authorities for its safety and efficacy in treating influenza. It has been widely used globally to manage flu outbreaks.

6. Easy Dosage: Our Oseltamivir Phosphate is available in easy-to-administer oral capsule form, making it convenient for both adults and children to take. The dosing regimen is designed to provide optimal results while ensuring patient comfort.

7. Expert Approval: Before starting any medication, consult with a healthcare professional to ensure Oseltamivir Phosphate is suitable for your specific condition, medical history, and any potential interactions with other medications you might be taking.

8. Community Health: Using Oseltamivir Phosphate as prescribed can not only benefit individual health but also contribute to community health by reducing the spread of the flu virus during flu seasons.

Defend yourself and your loved ones against the flu's unwelcome intrusion with our reliable Oseltamivir Phosphate. Count on its antiviral prowess to help you recover swiftly and minimize the impact of flu symptoms. Prioritize your health and well-being with Oseltamivir Phosphate today.

Note: This product description is provided for informational purposes only and does not replace professional medical advice. Always consult a healthcare provider before starting any medication, especially prescription medications.

Product Name:

Oseltamivir phosphate

Batch No.:


Batch size


Date of Manufacture:

Jun. 12,2020

Date of Analysis:


Report No:




Expiry Date:

Jun. 11,2022


Acceptance criteria




White to off-white powder

Off-white powder


Freely soluble in water; soluble in methanol, in dimethyl sulfoxide, and in propylene glycol; sparingly soluble in dimethy 1 formamide; slightly soluble in alcohol; very slightly soluble in isopropyl alcohol and in polyethylene glycol 400; practically insoluble in acetonitrile, in acetone, in dichloromethane, and in n-hexane.



A.IR: Comparison oseltamivir phosphate RS.


B. The retention time of the major peak of the Sample solution corresponds to that of the Standard solution, as obtained in the Assay.



Optical rotation

-30.7 to -32.6



Not more than 0.5%


Limit of Tributyl Phosphine Oxide

Not more than 0.1%

Not detected

Oseltamivir Related

Compound A

Not more than 0.01%

Not detected

Organic Impurities

Oseltamivir acid: Not more than 0.3%


Oseltamivir phenol: Not more than 0.1

Not detected

Unspecified impurities: Not more than 0.1


Total unspecified impurity: Not more than 0.4%


Total impurities: Not more than 0.7%


Residual solvents

Ethanol: Not more than 0.5%


Acetone: Not more than 0.5%

Not detected

n-heptane: Not more than 0.5%


Toluene: Not more than 0.089%

Not detected


98.0%101.5%(on anhydrous basis)



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