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熊去氧膽酸/128-13-2
主營：鵝去氧膽酸/熊去氧膽酸
中文名稱:熊去氧膽酸
中文名稱:熊去氧膽酸中文同義詞:優(yōu)思弗;熊脫氧膽酸;熊去氧膽酸;熊去鵝膽酸;熊去癢膽酸;烏索去氧膽酸;烏索脫氧膽酸;熊果去氧膽酸;熊去氧膽Chemicalbook酸標(biāo)準(zhǔn)品;未標(biāo)記熊去氧膽酸CBNumber:CB1285736
分子式:C24H40O4
分子量:392.57
CAS號:128-13-2
英文名稱:Ursodeoxycholicacid
英文同義詞:UDCS;UDCA;uChemicalbookrso;Desol;Urdes;lyeton;arsacol;deursil;ursacol;Desocol

利膽藥物一般可分為利膽劑和增液利膽劑兩種。前者的藥物，后者指僅增加膽汁容量但并不增加膽汁成分的藥物。目前常用的利膽藥物以膽酸類為主。有膽酸鈉、去氫膽酸、鵝去氧膽酸和熊去氧膽酸等。

Appearance			white or almost white powder				Complies
Identification			Same IR Spectrum as RS				Complies
			The spot is similar in position with the reference spot
			Add formaldehyde, the suspension obtained is greenish-blue
Loss on drying			<1%				0.26%
Assay ( TITRATION )			99% -- 101%				100.10%
Melting Point			200 -- 204℃				201 -- 203.1℃
HPLC			≥98.5%				99.85%
Related Substance
Chenodeoxycholic acid			≤1%				Complies
Lithocholic acid			≤0.1%				Complies
Cholic acid			≤0.5%				Complies
Total impurities			≤1.5%				0.22%
Any unidentified impurities			any single ≤0.1%				Complies
Sulfate			≤0.05%				Complies
Chloride			≤0.02%				Complies
Specific optical rotation			+58.0 -- +62.0				+61
Residue on ignition			≤0.1%				Complies
Heavy Metal			< 10ppm				Complies
Mesh Size			80 mesh <=10%				Complies
Storage conditions			Sealed containers in cool, dry area.				Complies