[Ergocalciferol Reference Standard (Control 921) of National Institute of Health Sciences].
The raw material for ergocalciferol was tested for preparation of the "Ergocalciferol Reference Standard (Control 921)". Analytical data obtained were as follows: melting point, 118.1 degrees C; UV and infrared spectra, the same as those for the JP Ergocalciferol Reference Standard; specific absorbance, E1%1 cm = 457.5 (265 nm); thin-layer chromatography and high-performance liquid chromatography (HPLC), no impurities were detected; assay, 101.0% by HPLC. Based on the above results, the raw material was authorized as the Japanese Pharmacopoeia Reference Standard (Control 921).
Izumi
W
W
Kitajima
A
A
Yoshii
K
K
Komatsu
H
H
Ishimitsu
S
S
Okada
S
S
D002851:Chromatography, High Pressure Liquid; D002855:Chromatography, Thin Layer; D004872:Ergocalciferols / Q000302:isolation & purification / Q000592:standards*; D006077:Government Agencies; D006296:Health Services; D007564:Japan; D010602:Pharmacopoeias as Topic
D004872:Ergocalciferols