Найти Цитидин-5'-Дифосфат Динатриевая Соль Усп, Одп Одп, Прамирацетам ГМП на Промышленность Directory, надежный производитель / поставщик / завод из Китая
Модель: BP USP EP
ITEMS |
SPECIFICATIONS |
characters |
white or almost white crystalline powder. |
|
practically insoluble in water,soluble in acetone and in methylene chloride,slightly soluble in methanol. |
identification |
ir:conforms to the clarithromycin crs spectrum |
specific rotation |
-89°~ -95°(anhydrous substance 10mg/ml chloroform) |
crystallinity |
meets the requirements |
ph |
7.5~10.0(1g/500ml water-methanol(19:1)) |
water |
≤2.0% |
residue on ignition |
≤0.3% |
heavy metals |
≤20ppm |
residual solvents |
ethanol≤0.5% |
assay(hplc) |
96.0%~102.0%(anhydrous substance). |
Appearance |
Yellowish to white crystalline powder |
Conforms |
Solubility |
Soluble in water and sparingly soluble in methanol |
Conforms |
Identification |
NMR, HPLC,IR |
Conforms |
Loss on Drying |
≤0.5% |
032% |
Residue on Ignition |
≤ 0.2% |
0.06% |
Heavy Metals |
≤ 20ppm |
<20ppm |
Related substances |
Total impurity ≤1.5% Single impurity: ≤0.5% |
0.88% 0.26% |
Assay |
≥98.5% |
99.0% |
Группа Продуктов : Фармацевтические Сырья