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  • CAS No. :204255-11-8
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磷酸奥司他韦
Oseltamivir Phosphate

Chemical Name

Oseltamivir Phosphate

Tamiflu; Ethyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate phosphate 

CAS Number

204255-11-8 

Molecular Formula

C16H28N2O4.H3PO4

Molecular Weight

410.40

Molecular Structure

204255-11-8.gif

Packing

25kg/Drum

Capacity

50mt/Year

Storage

Kept In Closed Container,Protected From Light.

Application

Oseltamivir phosphate is a novel neuraminidase (NA) inhibitor.

It is used for the treatment and prevention of influenza virus infection, bronchitis accompanying infection, pneumonia, general pain, and severe fever, and is especially effective against influenza A and B viruses.

 

 SPECIFICATION

ItemsSpecification
AppearanceWhite or almost white powder
SolubilityFree soluble in water and in methanol,practically insoluble in methylene chloride.
IdentificationMeet the requirements

Specific Optical Rotation

- 30.7 to  -32.6(anhydrous substance),measured at 25℃.

Infrared Abosorption Spectrophotometry

Meet the requirements

TestsMeet the requirements
Limit for Impurity

Impurity B NMT 100 ppm 0.00 %

Impurity H NMT0.15 %

Impurity C NMT0.30 %
Each Unspecified Impurity  NMT0.10 %

Total Impurities NMT0.70 %

Residual Water

0.50 %

Assay98.5 ~ 102.0 %(Anhydrous Substance)
StandardEP9.7




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