Oseltamivir Phosphate 99%

Oseltamivir phosphate, also known by its trade name Tamiflu, is a widely used antiviral medication primarily indicated for the treatment and prevention of influenza caused by both influenza A and B viruses. It functions as a neuraminidase inhibitor, which means it prevents the influenza virus from spreading within the body by blocking the release of new viral particles from infected cells

Oseltamivir phosphate, commonly known by its brand name Tamiflu, is an antiviral medication primarily used for the treatment and prevention of influenza types A and B. It is classified as a neuraminidase inhibitor, which plays a critical role in limiting the spread of the virus within the body.

Mechanism of Action

Oseltamivir functions as a prodrug, which means it is converted into its active form, oseltamivir carboxylate, after administration. This conversion occurs rapidly through hydrolysis by hepatic esterases. The active metabolite selectively inhibits the neuraminidase enzyme found on the surface of influenza viruses. By blocking this enzyme, oseltamivir prevents the release of new viral particles from infected cells, thereby reducing viral replication and limiting the severity and duration of flu symptoms when administered within 48 hours of symptom onset

Applications

Treatment of Influenza: Effective in adults and children (over 2 weeks old) who present flu symptoms within two days.
Prophylaxis: Used to prevent influenza in individuals who have been exposed to the virus or during outbreaks.

Routes of Administration

Oseltamivir is available in several oral formulations:
Capsules: 30 mg, 45 mg, and 75 mg.
Powder for Oral Suspension: 6 mg/mL.

Safety and Side Effects

While oseltamivir is generally well-tolerated, it may cause side effects, including:
Common Side Effects: Nausea, vomiting, headache, and abdominal pain.
Serious Side Effects: Allergic reactions (e.g., rash, difficulty breathing), neuropsychiatric events (e.g., confusion, hallucinations), and skin reactions (e.g., Stevens-Johnson syndrome) have been reported but are rare.

Pharmacokinetics

The pharmacokinetics of oseltamivir are characterized by:
Absorption: Rapidly absorbed from the gastrointestinal tract with at least 75% of an oral dose reaching systemic circulation as oseltamivir carboxylate.
Distribution: Steady-state plasma concentrations are achieved within 2–3 days when taken twice daily.
Excretion: Primarily eliminated through renal pathways; renal impairment may necessitate dosage adjustments.

Our company, Jianyan E-commerce Trading House in Yiwu City, is an innovative company mainly engaged in the research and development, production and sales of pharmaceutical intermediates and fine chemicals. The products are mainly used in the fields of medicine, health products, cosmetics, pesticides and electronic chemistry.
  We have a research and development centre and a production base. The R&D centre has advanced organic synthesis and analytical testing equipment. At the production base, we have large reaction vessels, including various specifications of stainless steel reaction vessels and enamel reaction vessels, capable of high-pressure,high-temperature and low-temperature reactions, with production capacities ranging from kilograms to tonnes. The company has established a comprehensive marketing network and its products are exported to countries and regions such as the United States, South Korea, Japan, India and Europe.

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FAQ
1. I did not find what I was looking for. Do you provide specific pack sizes or different packaging?

We are all about finding or creating the right solution for you. Our team is ready to work with you to meet your specific needs, even for small quantities. Please contact us.

2. Can I buy samples?

Please feel free to contact us.

3.What is your lead time?

It depends on the proudct and order quantity. Please contact us.

4. How can I get a price?

After we get your inquiry, we usually quote within 24 hours.

5. How to confirm the quality before placing the order？

You can get free samples for some products, you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests, we will manufacture the products according to your requests.

7. Do you provide COA?

Yes. We'll provide certificate of analysis before shipment