Oseltamivir Phosphate CAS 204255-11-8 for Selling

                                         Oseltamivir Phosphate CAS 204255-11-8 for Selling

Oseltamivir is an antiviral medication used to treat influenza A and influenza B (flu), and to prevent flu after exposure. The medication is taken orally. The Infectious Disease Society of America, the United States' Centers for Disease Control and Prevention (CDC), and the United Kingdom's National Institute for Health and Care Excellence recommend the use of oseltamavir for people who have complications or are at high risk for complications who present within 48 hours of first symptoms of infection. They recommend its use to prevent infection in at-risk people but not the general population. The CDC recommends that clinicians use their discretion to treat those at lower risk who present within 48 hours of first symptoms of infection.

Oseltamivir phosphate (Oseltamivir phosphate) is often referred to as "Tamiflu" (Tamiflu).  Oseltamivir phosphate is the most commonly used and one of the most effective drugs against avian influenza, H1N1 influenza virus and influenza B virus. Reducing the incidence of influenza complications can also reduce the use of other medicines, and Tamiflu can increase the survival rate of influenza patients by about 37%.
Oseltamivir phosphate also has large side effects, especially for children. And its price is more expensive to take twice a day, 75mg each time, the retail price of medicines is equivalent to 60 yuan per day, and a course of 5 days is equivalent to about 300 yuan. In addition, taking Tamiflu before the flu has no preventive effect on flu.

After oral administration, oseltamivir is rapidly catalyzed by liver and intestinal esterases to be converted to its active metabolite oseltamivir carboxylic acid. The configuration of oseltamivir carboxylic acid is similar to the transition state of neuraminic acid and can compete competitively. Combined with the active site of influenza virus neuraminidase (NA, neu-raminidase, also known as neuraminidase), it is a powerful and highly selective influenza virus NA inhibitor (NAIs), which Mainly by interfering with virus release from infected host cells, thereby reducing the spread of influenza A or B viruses.

Oseltamivir phosphate intermediate

Fractional :C14H22O4

Molecular Weight: 254.33

API,anti-influenza agent; used as therapy and prophylaxis against influenza A and B.
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