熊去氧胆酸/128-13-2
主营：鹅去氧胆酸/熊去氧胆酸
中文名称:熊去氧胆酸
中文名称:熊去氧胆酸中文同义词:优思弗;熊脱氧胆酸;熊去氧胆酸;熊去鹅胆酸;熊去痒胆酸;乌索去氧胆酸;乌索脱氧胆酸;熊果去氧胆酸;熊去氧胆Chemicalbook酸标准品;未标记熊去氧胆酸CBNumber:CB1285736
分子式:C24H40O4
分子量:392.57
CAS号:128-13-2
英文名称:Ursodeoxycholicacid
英文同义词:UDCS;UDCA;uChemicalbookrso;Desol;Urdes;lyeton;arsacol;deursil;ursacol;Desocol

利胆药物一般可分为利胆剂和增液利胆剂两种。前者的药物，后者指仅增加胆汁容量但并不增加胆汁成分的药物。目前常用的利胆药物以胆酸类为主。有胆酸钠、去氢胆酸、鹅去氧胆酸和熊去氧胆酸等。

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