甘草次酸
中文同義詞:18-ALFA-甘草次酸;18A-甘草次酸;甘草次酸;甘草次酸(標準品);甘草次酸對照品,甘草次酸標準品
英文名稱:18alpha-Glycyrrhetinic acid
CAS號: 1449-05-4
分子式: C30H46O4
分子量: 470.68
熔點 331-333°C
產品部分指標：
|
Appearance
|
White or almost white crystalline powder
|
Complies
|
|
Infrared absorption
|
Complies
|
Complies
|
|
TLC
|
Complies
|
Complies
|
|
Color reaction
|
Complies
|
Complies
|
|
Appearance of solution
|
Clear and not more intensely coloured than
Reference solution Y6
|
Complies
|
|
Heavy metals
|
≤20ppm
|
＜20ppm
|
|
Loss on drying
|
≤0.5%
|
0.1%
|
|
Sulphaed ash
|
≤0.2%
|
0.06%
|
|
Related substances
|
Total impurities: ≤2.0%
Any impurity: ≤0.7%
|
1.3%
0.5%
|
