128-13-2 Ursodeoxycholic acid 3,7-Dihydroxycholan-24-oic acid
Product Name: Ursodeoxycholic acid
CAS: 128-13-2
Product Name: Ursodeoxycholic acid
Synonyms: 7BETA-HYDROXYLITHOCHOLIC ACID;6BETA-CHOLANIC ACID-3A,7BETA-DIOL;(6-BETA)-CHOLANIC ACID-(3-ALPHA)-(7-BETA)-DIOL;3A,7B-DIHYDROXY-5B-CHOLAN-24-OIC ACID;3ALPHA, 7BETA-DIHYDROXY-5BETA-CHOLANIC ACID;3ALPHA,7BETA-DIHYDROXY-5BETA-CHOLAN-24-OIC ACID;3alpha,7beta-dihydroxy-6beta-cholan-24-oic acid;3ALPHA, 7BETA-DIOXYCHOLANIC ACID
CAS: 128-13-2
MF: C24H40O4
MW: 392.57
EINECS: 204-879-3
Product Categories: Bile Acids;Biochemistry;Steroids;Intermediates & Fine Chemicals;Pharmaceuticals;API's;API;Herb extract
Mol File: 128-13-2.mol
ITEMS |
STANDARDS |
RESULTS |
Appearance |
White or almost white powder |
Conform |
Solubility |
Practically insoluble in water, freely soluble in ethanol(96 percent) ,slightly soluble in acetone, practically insoluble in methylene chloride. |
Conform |
Identification |
Infrared absorption, TLC and chrominance test |
Conform |
Melting point |
About 202°C |
201.5°C |
Specific optical rotation |
[a]D20+58.0’ and +62.0’ |
+60.3’ |
Heavy metals |
≤20PPM |
Conform |
Loss on drying |
≤1.0% |
0.10% |
Sulphated ash |
≤0.1% |
0.05% |
Residual solvents |
Acetone ≤0.5% Methanol≤0.3% Secondary butyl alcohol≤0.5% |
0.24% None None |
Assay(Titration) |
99.0%-101.0%(on the dried basis) |
99.50% |
Related substance(TLC) |
Lithocholic acid:≤0.1% Cholic acid ≤0.5% Chenodeoxycholic acid ≤1.0% Others:≤0.25% |
Conform Conform Conform Conform |
CAS NO:4337-33-1
CAS NO:5086-74-8
CAS NO:5086-74-8
CAS NO:5086-74-8
CAS NO:69004-03-1
CAS NO:69004-03-1
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View