Oseltamivir phosphate CAS NO.204255-11-8

product name

oseltamivir phosphate

other name

tamiflu

specification

ep/usp

cas

204255-11-8

package

25kg net per drum.

stock

fresh stock; good price; samples available

molecular structure

molecular formula

c16h28n2o4.h3po4

molecular weight

410.40

item

specification

result

assay (on anhydrous basis)

98.0%-102.0%

99.2%

identification

ir

ir similar to the working standard

total impurities

nmt 1.0%

0.7%

max single impurity

nmt 0.5%

0.3%

specific rotation

-27.0°~ -35.0°

-31.0°

limit of ethanol

nmt 0.3%

0.1%

limit of toluene

nmt 0.089%

nd

description

white to off-white powder

off-white powder

solubility

soluble in water and methanol

complies

water content by kf

nmt 2.0%

0.3%

loss on drying

nmt 0.5%

0.3%

heavy metals

nmt 20ppm

complies

storage

cool and dry

conclusion:

the results conform with enterprise standard.