CAS:53-0 3-2
本品为17α,21-噁羟基孕甾-1,4-二烯-3,11,20-三酮。按干燥品计算,含C21H26O5应为97.0%~102.0%。
泼尼松具有抗炎及抗过敏作用,能抑制结缔组织的增生,降低毛细血管壁和细胞膜的通透性,减少炎性渗出,并能抑制组胺及其它毒性物质的形成与释放。本品还能促进蛋白质分解转变为糖,减少葡萄糖的利用。因而使血糖及肝糖原都增加,可出现糖尿,同时增加胃液分泌,增进食欲。当严重中毒性感染时,与大量抗菌药物配合使用,可有良好的降温、抗毒、抗炎、抗休克及促进症状缓解作用。其水钠潴留及排钾作用比可的松小,抗炎及抗过敏作用较强,副作用较少,故比较常用。
Basic ation of Prednisone Powder
Product Name
Prednisone Powder
English Name
Predinsone
Specification
99%
Loss on drying
≤1.0%
CAS NO.
53-03-2
Appearance
White or almost white microcrystalline powder
Molecular Formula
C21H26O5
Molecular Weight
358.43
Other Name
1,4-Pregnadiene-17a,21-diol-3,11,20-trione
17,21-Dihydroxypregna-1,4-diene-3,11,20-trione
Solubility
Very slightly water soluble
Identification
positive
IR conforms to spectra 284
Assay
97.0%~102.0%
Heavy metals
≤20ppm
Related substance
Individual impurity≤1.5%
Total impurities≤2.0%
Specific rotation
+167°~+175°
Shandong Taihua Bio &Tech Co.,Ltd.
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