[Tocopherol Acetate Reference Standard (Control 881) of National Institute of Hygienic Sciences]

Tocopherol acetate was tested for the preparation of "Tocopherol Acetate Reference Standard (Control 881)". Analytical data obtained were as follows: infrared spectrum, same as Tocopherol Acetate Reference Standard (Control 851); absorbance, E1%1cm (284 nm) = 43.7; thin-layer chromatography, contaminants were not detected; high-performance liquid chromatography, one contaminant was detected; assay, 100.0%. On the basis of those results, this material was authorized as the Japanese Pharmacopoeia Standard (Control 881).