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128-13-2 Ursodeoxycholic acid 3,7-Dihydroxycholan-24-oic acid
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;DEPACON;BPC;Inhibitors |
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% |
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