麻花传媒剧在线mv观看免费,一级a一级a爱片免费免免,三AAAAAA级黄片性奴,亚洲三级aV多人轮换,一级a一级a爱片免费免免,三AAAAAA级黄片性奴,亚洲三级aV多人轮换

聯(lián)系我們
石家莊市裕華區(qū)翟營(yíng)南大街39號(hào),新界商務(wù)北樓1單元808室
電話:0311-68090739
傳真:0311-68090739
您的位置:首頁(yè) > 產(chǎn)品展示 Hydrocortisone
Hydrocortisone
Item Specification Appearance White to practically white, crystalline powder.Identification A: IR B:UVMelting point Melts at about 215 ,Solubility Very slightly soluble in water and in ether; sparingly soluble in acetone and in alcohol; slightly solub…

 

 

 

Item

Specification

Appearance

White to practically white, crystalline powder.

Identification

A: IR B:UV

Melting point

Melts at about 215 ,

Solubility

Very slightly soluble in water and in ether; sparingly soluble in acetone and in alcohol; slightly soluble in chloroform.

Specific rotation

+150o~+ 156o

Loss on drying

≤1.0%

Residue on ignition

Negligible

Chromatographic purity

Any individual impurity

≤0.5%

Total impurities

≤2.0%

Assay

97.0%~102.0%